:root {
    --bg-color: #131314;
    --sidebar-bg: #000000;
    --card-bg: #000000;
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #e3e3e3;
    --text-secondary: #c4c7c5;
    --accent-color: #a8c7fa;
    --accent-glow: rgba(168, 199, 250, 0.15);
    --success-color: #81c995;
    --warning-color: #fde293;
    --error-color: #f28b82;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --sidebar-width: 260px;
    --glass-blur: blur(16px);
    
    /* Theme specific variables */
    --input-bg: rgba(255, 255, 255, 0.04);
    --tile-bg: rgba(255, 255, 255, 0.02);
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    --modal-bg: #000000;
    --modal-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    --highlight-bg: rgba(255, 255, 255, 0.02);
    --highlight-bg-solid: rgba(255, 255, 255, 0.03);
    --btn-hover-bg: rgba(255, 255, 255, 0.05);
    --badge-bg: rgba(255, 255, 255, 0.05);
}

:root.light-theme {
    --bg-color: #f0f4f9;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.06);
    --text-primary: #1f1f1f;
    --text-secondary: #444746;
    --accent-color: #0b57d0;
    --accent-glow: rgba(11, 87, 208, 0.1);
    --success-color: #146c2e;
    --warning-color: #b06000;
    --error-color: #b3261e;
    
    /* Theme specific variables */
    --input-bg: #ffffff;
    --tile-bg: rgba(0, 0, 0, 0.03);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.06), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --modal-bg: #ffffff;
    --modal-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    --highlight-bg: rgba(0, 0, 0, 0.02);
    --highlight-bg-solid: rgba(0, 0, 0, 0.03);
    --btn-hover-bg: rgba(0, 0, 0, 0.05);
    --badge-bg: rgba(0, 0, 0, 0.08);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

@keyframes orbFloat {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -50px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
    100% { transform: translate(0, 0) scale(1); }
}

@keyframes galaxySpin {
    0% { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
    50% { transform: translate(-50%, -50%) rotate(180deg) scale(1.1); }
    100% { transform: translate(-50%, -50%) rotate(360deg) scale(1); }
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    letter-spacing: -0.015em;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Galaxy Nebula Layer 1 */
body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 150vw;
    height: 150vw; /* Square to spin perfectly */
    background: 
        radial-gradient(circle at 40% 40%, rgba(138, 43, 226, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 60% 60%, rgba(75, 0, 130, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(25, 25, 112, 0.2) 0%, transparent 60%);
    z-index: -2;
    animation: galaxySpin 60s linear infinite;
    pointer-events: none;
    opacity: 0.9;
}

/* Galaxy Nebula Layer 2 */
body::after {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    width: 200vw;
    height: 200vw;
    background: 
        radial-gradient(circle at 30% 70%, rgba(255, 105, 180, 0.08) 0%, transparent 30%),
        radial-gradient(circle at 70% 30%, rgba(0, 191, 255, 0.08) 0%, transparent 30%);
    z-index: -1;
    animation: galaxySpin 90s linear infinite reverse;
    pointer-events: none;
    opacity: 0.7;
}

/* Override for Light Theme to use subtle blueish orb */
:root.light-theme body::before {
    display: block;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    transform: none; /* Reset the galaxy translate */
    animation: orbFloat 35s ease-in-out infinite;
    background: 
        radial-gradient(circle at 50% 50%, rgba(168, 199, 250, 0.3) 0%, transparent 60%),
        radial-gradient(circle at 80% 20%, rgba(211, 227, 253, 0.4) 0%, transparent 50%);
}

:root.light-theme body::after {
    display: none;
}

/* --- Layout Structure --- */
.app-layout {
    display: flex;
    width: 100%;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    z-index: 100;
}

.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
    max-width: calc(100vw - var(--sidebar-width));
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease, visibility 0.3s ease;
        visibility: hidden;
        pointer-events: none;
    }
    .sidebar.open {
        transform: translateX(0);
        visibility: visible;
        pointer-events: auto;
    }
    .main-content {
        margin-left: 0;
        max-width: 100vw;
        padding: 1rem;
    }
}

/* --- Sidebar Components --- */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    padding: 0.5rem;
}

.sidebar-logo {
    height: 32px;
    width: auto;
}

.sidebar-brand h1 {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #58a6ff, #bc8cff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    list-style: none;
    flex: 1;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(88, 166, 255, 0.1);
    color: var(--accent-color);
}

.sidebar-footer {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* --- Dashboard UI --- */
.page-header {
    margin-bottom: 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.page-title h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

.page-title p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.glass-card {
    background-color: var(--card-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.card-header i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.card-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

button:hover {
    opacity: 0.9;
}

button:active {
    transform: scale(0.98);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

button.secondary {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

button.secondary:hover {
    background-color: var(--border-color);
}

.results-section {
    display: none; /* Hidden by default */
    transition: opacity 0.3s ease;
}

/* --- Investment Report Redesign --- */

/* --- Investment Report Redesign --- */

/* --- Global Utilities --- */
.mt-1 { margin-top: 1rem !important; }
.mt-2 { margin-top: 2rem !important; }
.mt-3 { margin-top: 3rem !important; }

/* --- Investment Report Redesign --- */

.results-section {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.report-hero {
    background: linear-gradient(145deg, #161b22 0%, #0d1117 100%);
    border: 1px solid var(--border-color);
    text-align: center;
    padding: 4.5rem 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.report-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(88, 166, 255, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.hero-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.hero-val {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin: 0.5rem 0;
    line-height: 1;
    letter-spacing: -0.03em;
}

.hero-rec {
    font-size: 1.6rem;
    color: #ffffff;
    font-weight: 700;
    margin-top: 1rem;
}

.hero-reason {
    margin: 3rem auto 0;
    padding: 1.75rem 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    max-width: 800px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.decision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 900px) {
    .decision-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .hero-val { font-size: 3.5rem; }
    .hero-rec { font-size: 1.3rem; }
}

.card-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

.decision-box {
    display: flex;
    flex-direction: column;
    padding: 2.5rem;
}

.decision-status {
    font-size: 2rem;
    font-weight: 900;
    padding: 1.25rem;
    border-radius: 12px;
    margin: 1.5rem 0 2rem;
    width: 100%;
    text-align: center;
    letter-spacing: 0.15em;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.status-buy { background: rgba(63, 185, 80, 0.1); color: #3fb950; border: 1px solid rgba(63, 185, 80, 0.3); }
.status-wait { background: rgba(210, 153, 34, 0.1); color: #d29922; border: 1px solid rgba(210, 153, 34, 0.3); }
.status-no { background: rgba(248, 81, 73, 0.1); color: #f85149; border: 1px solid rgba(248, 81, 73, 0.3); }

.decision-meta {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    padding: 0.75rem 0;
    font-size: 1rem;
    border-bottom: 1px dashed var(--border-color);
}

.decision-meta:last-child { border-bottom: none; }

.insights-box { padding: 2.5rem; }

.insights-list { display: flex; flex-direction: column; gap: 1.75rem; }

.insight-item {
    display: flex;
    gap: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-primary);
    align-items: flex-start;
}

.insight-item strong {
    color: var(--accent-color);
    font-weight: 700;
    min-width: 170px;
    display: block;
}

.action-card { padding: 2.5rem; }

.action-plan { display: flex; flex-direction: column; gap: 1rem; }

.action-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.75rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    align-items: center;
    transition: transform 0.2s ease;
}

.action-item:hover { transform: translateX(5px); border-color: var(--accent-color); }

.action-num {
    background: var(--accent-color);
    color: #0d1117;
    width: 40px; height: 40px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; flex-shrink: 0; font-size: 1.2rem;
}

.action-text { font-size: 1.1rem; color: #ffffff; line-height: 1.6; }

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.summary-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.summary-label { font-size: 0.75rem; text-transform: uppercase; color: var(--text-secondary); letter-spacing: 0.1em; margin-bottom: 0.5rem; display: block; }
.summary-val { font-size: 1.75rem; font-weight: 800; color: var(--text-primary); }

.premium-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.premium-table th { text-align: left; padding: 1.25rem 1rem; color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase; border-bottom: 2px solid var(--border-color); }
.premium-table td { padding: 1.5rem 1rem; border-bottom: 1px solid var(--border-color); color: var(--text-primary); font-size: 1.1rem; font-weight: 500; }

.recommendation-box { background: rgba(88, 166, 255, 0.05); border: 1px solid rgba(88, 166, 255, 0.1); border-radius: 12px; padding: 2.5rem; }
.recommendation-item strong { font-size: 1.4rem; color: var(--accent-color); display: block; margin-bottom: 1rem; }
.recommendation-item p { margin-top: 0.75rem; line-height: 1.7; font-size: 1.05rem; }

.model-notes-section {
    background: rgba(248, 81, 73, 0.03);
    border-left: 5px solid var(--error-color);
    padding: 1.75rem;
    margin-bottom: 2rem;
    border-radius: 4px 12px 12px 4px;
}

.model-note-item { font-size: 1.05rem; color: var(--text-primary); margin-bottom: 1rem; line-height: 1.7; display: flex; align-items: flex-start; gap: 0.75rem; }
.model-note-item::before { content: "⚠️"; font-size: 1.2rem; }

.accuracy-statement {
    text-align: center;
    font-size: 1rem;
    color: var(--text-secondary);
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    margin-top: 3rem;
    line-height: 1.8;
    border: 1px solid var(--border-color);
}

.accuracy-statement strong { color: var(--text-primary); }

.assumption-chip {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chart-container {
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    height: 400px;
    margin: 1.5rem 0;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.results-section > .card, 
.results-section > .decision-grid {
    animation: fadeInUp 0.9s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.results-section.stale {
    opacity: 0.4;
    filter: blur(2px) grayscale(1);
    pointer-events: none;
    position: relative;
}

.results-section.stale::after {
    content: "Parameters Changed - Re-analyze for accuracy";
    position: absolute;
    top: 10px;
    right: 20px;
    background: var(--warning-color);
    color: #000;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    z-index: 5;
}

/* Trust & Transparency Styles */
.model-notes-section {
    margin-bottom: 2rem;
}

.model-note-item {
    background: rgba(235, 203, 139, 0.1);
    border-left: 4px solid var(--warning-color);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.model-note-item::before {
    content: "ℹ️";
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

.assumptions-section {
    background: rgba(45, 51, 59, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.assumptions-section h4 {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.assumptions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.assumption-chip {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    font-size: 0.8rem;
    display: flex;
    justify-content: space-between;
}

.assumption-chip span:first-child {
    color: var(--text-secondary);
}

.assumption-chip span:last-child {
    font-weight: 600;
    color: var(--accent-color);
}

.calculation-footer {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    font-style: italic;
    opacity: 0.8;
}

/* Advisor Styles */
.advisor-hero {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1) 0%, rgba(139, 148, 158, 0.05) 100%);
    border: 1px solid rgba(88, 166, 255, 0.2);
    border-radius: 12px;
}

.advisor-icon {
    font-size: 2.5rem;
    filter: drop-shadow(0 0 10px rgba(88, 166, 255, 0.3));
}

.advisor-main {
    flex: 1;
}

.advisor-main h3 {
    font-size: 1.15rem;
    color: var(--accent-color);
    margin-bottom: 0.25rem;
}

.advisor-main p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.accent-btn {
    background: var(--accent-color);
    color: #000;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
    white-space: nowrap;
}

.accent-btn:hover {
    transform: translateY(-2px);
    background: #79c0ff;
}

/* Action Plan */
.action-plan {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.action-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: border-color 0.2s;
}

.action-item:hover {
    border-color: var(--accent-color);
}

.action-num {
    background: var(--accent-color);
    color: #000;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.action-text {
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.4;
}

/* Modal Explanation */
.explanation-modal {
    max-width: 600px;
}

.explanation-body {
    padding: 1.5rem 0;
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Education Card */
.education-card {
    background: rgba(88, 166, 200, 0.05);
    border: 1px solid rgba(88, 166, 200, 0.2);
    margin-bottom: 2rem;
    padding: 1.5rem;
}

.education-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Reliability Score */
.score-val {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    text-align: center;
    margin: 0.5rem 0;
}

/* Premium Tables */
.premium-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.premium-table th, .premium-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.premium-table th {
    color: var(--text-secondary);
    font-weight: 600;
}

.premium-table td {
    color: var(--text-primary);
}

/* Scenario Highlights */
.highlight-card {
    border: 2px solid var(--accent-color) !important;
    background: rgba(186, 155, 110, 0.05) !important;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-top: 1rem;
}

.summary-card {
    background: rgba(48, 54, 61, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.summary-val {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

.summary-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.context-line {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.recommendations-list {
    margin-top: 1.5rem;
    list-style: none;
}

.recommendation-item {
    background: rgba(58, 166, 255, 0.1);
    border-left: 4px solid var(--accent-color);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-radius: 0 8px 8px 0;
}

.optimization-info {
    margin-top: 1rem;
    font-style: italic;
    color: var(--text-secondary);
}

.loader {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.error-message {
    color: var(--error-color);
    margin-top: 1rem;
    font-size: 0.875rem;
    display: none;
}

.helper-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Toggle Switch Styles */
.toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    user-select: none;
}

.toggle-container input {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 40px;
    height: 20px;
    background-color: var(--border-color);
    border-radius: 20px;
    transition: background-color 0.3s;
}

.toggle-slider::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}

.toggle-container input:checked + .toggle-slider {
    background-color: var(--accent-color);
}

.toggle-container input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* Locked UI Styles */
.advanced-insights-card {
    position: relative;
    overflow: hidden;
}

.advanced-container {
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.advanced-container.locked {
    filter: blur(5px);
    opacity: 0.4;
    pointer-events: none;
    user-select: none;
}

.locked-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(13, 17, 23, 0.75);
    z-index: 10;
    text-align: center;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.locked-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.locked-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

.premium-upgrade-btn {
    background: #58a6ff;
    color: #0d1117;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.2s, background 0.2s;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.4);
}

.premium-upgrade-btn:hover {
    background: #79c0ff;
    transform: translateY(-2px);
}

.locked-message {
    font-size: 1.1rem;
    font-weight: 500;
    max-width: 450px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.unlock-btn {
    background: linear-gradient(90deg, #58a6ff, #bc8cff);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

.unlock-btn:hover {
    box-shadow: 0 6px 20px rgba(88, 166, 255, 0.4);
    opacity: 1;
}

/* Premium Section Layout */
.premium-section h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.mt-2 {
    margin-top: 2rem;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}

.chart-container {
    background: rgba(48, 54, 61, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    height: 350px;
    position: relative;
}

/* Small Utilities */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1.5rem; }
.helper-text { font-size: 0.8rem; color: var(--text-secondary); margin-top: 0.5rem; }

/* Print-only Elements (hidden on screen) */
.print-only-header, .print-only-footer, .print-only-signature-section, .print-chart-title {
    display: none !important;
}

/* Print Overrides */
@media print {
    :root, body, html {
        --bg-color: #ffffff !important;
        --sidebar-bg: #ffffff !important;
        --card-bg: #ffffff !important;
        --border-color: #cbd5e1 !important;
        --text-primary: #0f172a !important;
        --text-secondary: #475569 !important;
        --accent-color: #0f766e !important;
        --accent-glow: rgba(15, 118, 110, 0.05) !important;
        --success-color: #16a34a !important;
        --warning-color: #d97706 !important;
        --error-color: #dc2626 !important;
        --input-bg: #f8fafc !important;
        --tile-bg: #f1f5f9 !important;
        --card-shadow: none !important;
        --highlight-bg: #f8fafc !important;
        --highlight-bg-solid: #f1f5f9 !important;
    }
    * { font-family: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif !important; }
    /* Force full color fidelity — without this Chrome strips dark table headers
       and accent fills when "Save as PDF" has Background graphics off. */
    *, *::before, *::after {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
    }
    @page {
        margin: 16mm 15mm 18mm 15mm;
    }
    html, body {
        height: auto !important;
        overflow: visible !important;
        display: block !important;
    }
    body {
        background: white !important;
        color: #0f172a !important;
        padding: 0 !important;
        font-family: 'Inter', system-ui, sans-serif !important;
        font-size: 9pt !important;
    }
    .container {
        max-width: 100% !important;
        width: 100% !important;
    }
    .app-layout {
        display: block !important;
    }
    .sidebar, .mobile-header, .sidebar-backdrop, .form-actions, .report-actions, button, .auth-state, .locked-overlay, .modal-overlay, .app-footer, .launch-teaser-section, .custom-logo-section, input[type="file"], .meter-dropzone, #meter-upload-group, #client-report-portal {
        display: none !important;
    }
    /* When printing from client portal, force results-view to show */
    #results-view {
        display: block !important;
        margin: 0 !important;
        padding: 0 !important;
    }
    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
        background: white !important;
    }
    /* Make all tab panes print sequentially - no hiding */
    .tab-pane, #results-view .tab-pane {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        height: auto !important;
        overflow: visible !important;
        pointer-events: auto !important;
        position: static !important;
        margin-bottom: 2rem !important;
        page-break-inside: avoid;
        break-inside: avoid;
    }
    .tabs-nav, .chart-tabs, .results-tabs {
        display: none !important;
    }
    
    /* CHARTS — both shown stacked, explicit fixed height for Chart.js */
    #res-tab-charts {
        page-break-before: always !important;
    }
    #res-tab-charts .glass-card {
        border: none !important;
        padding: 0 !important;
        background: transparent !important;
        box-shadow: none !important;
        page-break-inside: auto !important;
        break-inside: auto !important;
    }
    .print-chart-title {
        display: block !important;
        font-family: 'Inter', system-ui, sans-serif !important;
        font-size: 11pt !important;
        font-weight: bold !important;
        color: #0f172a !important;
        margin-bottom: 0.75rem !important;
        text-align: left !important;
    }
    #res-tab-charts .chart-container,
    #res-tab-charts .hidden-chart {
        display: block !important;
        height: 280px !important;
        min-height: 280px !important;
        max-height: 280px !important;
        width: 100% !important;
        position: relative !important;
        overflow: visible !important;
        opacity: 1 !important;
        visibility: visible !important;
        margin-bottom: 2.5rem !important;
        page-break-inside: avoid;
        break-inside: avoid;
        background: #f8fafc !important;
        border: 1px solid #cbd5e1 !important;
        padding: 1.25rem !important;
        border-radius: 8px !important;
        box-shadow: none !important;
        box-sizing: border-box !important;
    }
    #res-tab-charts canvas {
        display: block !important;
        width: 100% !important;
        height: calc(100% - 24px) !important;
        max-height: 250px !important;
    }
    
    /* AI ADVISOR & INTEL — starts on a new page */
    #res-tab-intel {
        page-break-before: always !important;
        break-before: page !important;
    }
    
    /* Grid stacking for paper */
    .dashboard-grid, .results-grid, .summary-grid, .assumptions-grid {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.25rem !important;
        width: 100% !important;
    }
    .kpi-grid {
        display: grid !important;
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 1rem !important;
        margin-bottom: 1.5rem !important;
    }
    .span-2, .intel-column {
        width: 100% !important;
        grid-column: span 2 !important;
    }
    
    /* Premium visual cards for print */
    .glass-card {
        background: white !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: none !important;
        color: #334155 !important;
        padding: 1.25rem !important;
        margin-bottom: 1.5rem !important;
        border-radius: 6px !important;
        page-break-inside: avoid;
        break-inside: avoid;
    }
    .card-header h3 {
        color: #0f172a !important;
        font-size: 1.1rem !important;
        font-weight: 700 !important;
        border-left: 3px solid #0d9488 !important;
        padding-left: 8px !important;
        margin: 0 !important;
    }
    
    .kpi-card {
        background: #f8fafc !important;
        border: 1px solid #cbd5e1 !important;
        padding: 1rem !important;
        border-radius: 6px !important;
        text-align: center !important;
        page-break-inside: avoid;
        break-inside: avoid;
    }
    .kpi-label {
        color: #475569 !important;
        font-size: 0.8rem !important;
        text-transform: uppercase !important;
    }
    .kpi-value {
        color: #0f172a !important;
        font-size: 1.3rem !important;
        font-weight: 700 !important;
    }
    .kpi-sub {
        color: #64748b !important;
        font-size: 0.75rem !important;
    }

    .summary-card {
        border: 1px solid #e2e8f0 !important;
        background: #f8fafc !important;
        color: #334155 !important;
        padding: 0.75rem !important;
        border-radius: 4px !important;
    }
    .summary-val {
        color: #0f172a !important;
        font-weight: 700 !important;
    }
    .premium-insights-card .advanced-container {
        filter: none !important;
        opacity: 1 !important;
    }
    
    /* Sensitivity Premium Table */
    .premium-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin-top: 0.75rem !important;
    }
    .premium-table th {
        background-color: #0f172a !important;
        color: white !important;
        font-weight: 700 !important;
        padding: 6px 10px !important;
        font-size: 0.8rem !important;
        text-transform: uppercase !important;
        text-align: left !important;
    }
    .premium-table tr:nth-child(even) {
        background-color: #f8fafc !important;
    }
    .premium-table td {
        border: 1px solid #cbd5e1 !important;
        color: #334155 !important;
        padding: 6px 10px !important;
        font-size: 0.9rem !important;
    }

    /* Force Collapsible Engineering Content to auto-expand when printing */
    #engineering-content {
        display: block !important;
    }
    #toggle-engineering .fa-chevron-down {
        display: none !important;
    }

    /* Custom AI advisor card highlight */
    .advisor-content {
        background: #f0fdfa !important;
        border: 1px solid #0d9488 !important;
        padding: 1rem !important;
        border-radius: 6px !important;
        margin-top: 0.5rem !important;
    }
    
    /* Premium executive masthead (mirrors the interconnection PDF) */
    .print-only-header {
        display: flex !important;
        justify-content: space-between;
        align-items: center;
        background: #202124 !important;
        border-bottom: 4px solid #1a73e8 !important;
        padding: 1.5rem 2rem;
        margin-bottom: 2rem;
        width: 100%;
        border-radius: 8px 8px 0 0;
        box-shadow: 0 4px 6px rgba(0,0,0,0.05) !important;
    }
    .print-header-brand {
        display: flex;
        align-items: center;
        gap: 0.85rem;
    }
    .print-logo {
        height: 34px;
        width: auto;
        display: block !important;
    }
    .brand-text {
        display: flex;
        flex-direction: column;
    }
    .report-title {
        font-size: 1.8rem;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: #ffffff;
        line-height: 1.1;
        font-family: 'Inter', 'Roboto', 'Helvetica Neue', sans-serif !important;
    }
    .report-brand-by {
        color: #8ab4f8;
        font-weight: 600;
        font-size: 1rem;
        letter-spacing: 0;
    }
    .report-subtitle {
        font-size: 0.72rem;
        font-weight: 500;
        color: #cbd5e1;
        margin-top: 3px;
        letter-spacing: 0.02em;
    }
    .print-header-meta {
        text-align: right;
        font-size: 0.75rem;
        color: #cbd5e1;
        line-height: 1.5;
    }
    .print-header-meta strong { color: #ffffff; }
    .print-confidential-chip {
        display: inline-block;
        background: #0d9488;
        color: #ffffff;
        font-size: 0.6rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        padding: 2px 8px;
        border-radius: 3px;
        text-transform: uppercase;
        margin-bottom: 5px;
    }
    .print-only-footer {
        display: block !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        text-align: center;
        font-size: 0.65rem;
        color: #64748b;
        border-top: 1px solid #e2e8f0;
        padding-top: 0.45rem;
        padding-bottom: 0.2rem;
        background: white;
        letter-spacing: 0.02em;
    }
    .print-only-footer strong { color: #0f172a; }
    .print-only-signature-section {
        display: block !important;
        page-break-inside: avoid;
        break-inside: avoid;
    }
}

/* Header & Auth Layout */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.main-header .logo h1 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: linear-gradient(90deg, #58a6ff, #bc8cff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-header .logo p {
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* User Display State */
#auth-state {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.premium-badge {
    background: linear-gradient(135deg, #ffd700, #ff8c00);
    color: #000;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    box-shadow: 0 2px 4px rgba(255, 215, 0, 0.3);
}

.user-email {
    font-size: 0.85rem;
    color: var(--text-primary);
    background: rgba(48, 54, 61, 0.4);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

/* Modal Core */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(13, 17, 23, 0.85); /* Deep dark blur */
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    overflow-y: auto;
    padding: 1rem;
    box-sizing: border-box;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    padding: 2rem;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
    transform: translateY(20px);
    transition: transform 0.15s ease;
    margin: auto;
    box-sizing: border-box;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.close-btn {
    position: absolute;
    top: 1rem; right: 1rem;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.5rem;
    border: none;
    cursor: pointer;
    padding: 0;
}
.close-btn:hover { color: var(--text-primary); opacity: 1; transform: none; }

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
}
.modal-header h2 { font-size: 1.5rem; color: var(--text-primary); margin-bottom: 0.5rem; }
.modal-header p { font-size: 0.9rem; color: var(--text-secondary); }

/* Tabs */
.auth-tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.tab-btn {
    flex: 1;
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.75rem 0;
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    border-radius: 0;
}
.tab-btn.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}
.tab-btn:hover { opacity: 1; color: var(--text-primary); }

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.primary-auth-btn {
    width: 100%;
    margin-top: 0.5rem;
}

/* Divider */
.auth-divider {
    text-align: center;
    margin: 1.5rem 0;
    position: relative;
}
.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%; left: 0; right: 0;
    border-top: 1px solid var(--border-color);
    z-index: 1;
}
.auth-divider span {
    position: relative;
    z-index: 2;
    background-color: var(--card-bg);
    padding: 0 10px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Google Btn */
.google-auth-btn {
    width: 100%;
    background-color: #ffffff;
    color: #1f2937;
    border: 1px solid #d1d5db;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}
.google-auth-btn:hover { background-color: #f9fafb; opacity: 1; transform: scale(0.98); }

/* Mobile Responsiveness */
@media (max-width: 600px) {
    body {
        padding: 1rem;
    }

    .main-header {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 1.5rem 1rem;
    }

    .input-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .kpi-grid {
        grid-template-columns: 1fr !important;
    }

    .summary-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }

    .summary-val {
        font-size: 1.25rem;
    }

    .advisor-hero {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .advisor-icon {
        font-size: 2rem;
    }

    .accent-btn {
        width: 100%;
    }

    .modal-content {
        padding: 1.5rem;
        width: 100%;
        margin: auto;
    }

    .score-val {
        font-size: 2rem;
    }

    .chart-container {
        height: 250px;
        padding: 0.5rem;
    }

    .scenarios-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Premium Gating --- */
.results-section {
    position: relative;
    min-height: 200px;
}

.locked-blur {
    position: relative;
}

.locked-blur > *:not(.premium-gate-overlay) {
    filter: blur(8px);
    pointer-events: none;
    user-select: none;
    opacity: 0.6;
}

.premium-gate-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: flex-start;
    z-index: 50;
    background: rgba(13, 17, 23, 0.4);
}

.premium-gate-overlay.active {
    display: flex;
}

/* --- Modals (second block, canonical) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: flex-start;
    z-index: 1000;
    backdrop-filter: blur(4px);
    overflow-y: auto;
    padding: 1rem;
    box-sizing: border-box;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    width: 100%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    margin: auto;
    box-sizing: border-box;
}

.close-btn {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

.settings-section h4 {
    color: var(--accent-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

/* ═══════════════════════════════════════════
   v2.0 — NEW STYLES
   ═══════════════════════════════════════════ */

/* --- Mobile Header & Hamburger --- */
.mobile-header {
    display: none;
    position: fixed; top: 0; left: 0; right: 0; z-index: 90;
    background: var(--sidebar-bg); border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem; align-items: center; gap: 0.75rem;
}
.mobile-brand { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; font-size: 1.1rem; }
.hamburger { background: none; border: 1px solid var(--border-color); color: var(--text-primary); padding: 0.5rem 0.75rem; border-radius: 6px; cursor: pointer; font-size: 1rem; }
.sidebar-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 95; }
.sidebar-backdrop.active { display: block; }

@media (max-width: 900px) {
    .mobile-header { display: flex; }
    .sidebar { transform: translateX(-100%); transition: transform 0.3s ease, visibility 0.3s ease; z-index: 100; visibility: hidden; pointer-events: none; }
    .sidebar.open { transform: translateX(0); visibility: visible; pointer-events: auto; }
    .main-content { margin-left: 0 !important; max-width: 100% !important; width: 100% !important; padding: 4.5rem 1rem 1rem; box-sizing: border-box; overflow-x: hidden; }
    .dashboard-grid { grid-template-columns: 1fr !important; }
    .kpi-grid { grid-template-columns: 1fr 1fr !important; }
    .results-grid { grid-template-columns: 1fr !important; }
    .input-grid.cols-2, .input-grid.cols-3, .input-grid.cols-4 { grid-template-columns: 1fr !important; }
}

/* --- Grid helpers --- */
.input-grid { display: grid; gap: 1rem; margin-bottom: 1.25rem; }
.input-grid.cols-2 { grid-template-columns: 1fr 1fr; }
.input-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.input-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.input-group { display: flex; flex-direction: column; gap: 0.4rem; }
label { font-size: 0.85rem; font-weight: 500; color: var(--text-secondary); }
select, input, textarea { 
    background: var(--input-bg); 
    border: 1px solid var(--border-color); 
    border-radius: 8px; 
    color: var(--text-primary); 
    padding: 0.7rem 0.9rem; 
    font-size: 0.95rem; 
    transition: border-color 0.2s; 
    width: 100%; 
    font-family: var(--font-family); 
    text-overflow: ellipsis; 
}
select:focus, input:focus, textarea:focus { 
    outline: none; 
    border-color: var(--accent-color); 
    box-shadow: 0 0 0 3px var(--accent-glow); 
}
option {
    background-color: var(--modal-bg);
    color: var(--text-primary);
    padding: 0.5rem;
}
textarea { resize: vertical; min-height: 70px; font-family: 'Fira Code', monospace, var(--font-family); }

/* --- Profile Tiles --- */
.profile-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 0.5rem; margin-top: 0.5rem; }
.profile-tile {
    background: var(--tile-bg); border: 1px solid var(--border-color); border-radius: 10px;
    padding: 0.6rem 0.75rem; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    color: var(--text-secondary); font-size: 0.85rem; font-weight: 500; transition: all 0.2s;
    width: 100%;
}
.profile-tile:hover { border-color: var(--accent-color); color: var(--text-primary); }
.profile-tile.active { background: rgba(88,166,255,0.12); border-color: var(--accent-color); color: var(--accent-color); }
.profile-tile i { font-size: 1rem; }

/* --- Buttons --- */
.primary-btn {
    background: linear-gradient(135deg, #58a6ff, #388bfd); color: #fff; border: none; border-radius: 10px;
    padding: 0.85rem 2rem; font-size: 1rem; font-weight: 600; cursor: pointer;
    display: inline-flex; align-items: center; gap: 0.6rem; transition: all 0.2s;
}
.primary-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.secondary-btn {
    background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); border-radius: 8px;
    padding: 0.7rem 1.25rem; font-size: 0.9rem; font-weight: 500; cursor: pointer;
    display: inline-flex; align-items: center; gap: 0.5rem; transition: all 0.2s;
}
.secondary-btn:hover { background: rgba(255,255,255,0.05); border-color: var(--accent-color); }
.full-width { width: 100%; justify-content: center; }
.form-actions { display: flex; flex-direction: column; gap: 0.75rem; align-items: flex-start; }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.error-msg { color: var(--error-color); font-size: 0.9rem; padding: 0.5rem 0.75rem; background: rgba(248,81,73,0.08); border-radius: 6px; }

/* --- KPI Grid --- */
.kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; margin-bottom: 2rem; }
.kpi-card {
    background: var(--card-bg); backdrop-filter: var(--glass-blur); border: 1px solid var(--border-color);
    border-radius: 14px; padding: 1.25rem; display: flex; align-items: center; gap: 1rem;
    transition: transform 0.2s, border-color 0.2s;
}
.kpi-card:hover { transform: translateY(-2px); border-color: rgba(255,255,255,0.15); }
.kpi-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.1rem; }
.kpi-body { display: flex; flex-direction: column; min-width: 0; }
.kpi-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); font-weight: 600; }
.kpi-value { font-size: 1.5rem; font-weight: 800; color: var(--text-primary); line-height: 1.2; }
.kpi-sub { font-size: 0.75rem; color: var(--text-secondary); margin-top: 2px; }

/* --- Results Layout --- */
.results-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.decision-status { font-size: 1.6rem; font-weight: 900; padding: 1rem; border-radius: 10px; text-align: center; letter-spacing: 0.1em; margin: 1rem 0; }
.status-buy { background: rgba(63,185,80,0.1); color: var(--success-color); border: 1px solid rgba(63,185,80,0.25); }
.status-wait { background: rgba(210,153,34,0.1); color: var(--warning-color); border: 1px solid rgba(210,153,34,0.25); }
.status-no { background: rgba(248,81,73,0.08); color: var(--error-color); border: 1px solid rgba(248,81,73,0.2); }
.decision-reason { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.5; margin-bottom: 1rem; }
.decision-meta-row { display: flex; justify-content: space-between; padding: 0.6rem 0; border-bottom: 1px dashed var(--border-color); font-size: 0.9rem; color: var(--text-secondary); }
.decision-meta-row:last-child { border-bottom: none; }
.decision-meta-row strong { color: var(--text-primary); }

/* --- Insights --- */
.insights-list { display: flex; flex-direction: column; gap: 1rem; }
.insight-item { display: flex; gap: 1rem; align-items: flex-start; }
.insight-item > i { color: var(--accent-color); margin-top: 4px; font-size: 0.9rem; flex-shrink: 0; }
.insight-item strong { display: block; font-size: 0.85rem; color: var(--accent-color); margin-bottom: 2px; }
.insight-item p { margin: 0; font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }

/* --- Info Card --- */
.info-card .info-text { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; margin-bottom: 1rem; }
.info-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.info-list li { display: flex; align-items: center; gap: 0.75rem; color: var(--text-secondary); font-size: 0.9rem; }
.info-list li i { color: var(--accent-color); width: 20px; text-align: center; }

/* --- Dashboard grid span helper --- */
.span-2 { grid-column: span 2; }
@media (max-width: 900px) { .span-2 { grid-column: span 1; } }

/* --- Nav badge --- */
.nav-badge { margin-left: auto; font-size: 0.65rem; background: rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 4px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.05em; }

/* --- User chip in sidebar --- */
.user-chip { display: flex; align-items: center; gap: 0.5rem; color: var(--text-secondary); font-size: 0.8rem; }
.user-email-chip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 160px; }

/* --- Auth form styles --- */
.auth-form { display: flex; flex-direction: column; gap: 1rem; margin: 1rem 0; }
.auth-tabs { display: flex; gap: 0.5rem; margin: 1rem 0; }
.tab-btn { flex: 1; background: transparent; border: 1px solid var(--border-color); color: var(--text-secondary); padding: 0.6rem; border-radius: 6px; cursor: pointer; font-weight: 500; transition: all 0.2s; }
.tab-btn.active { background: rgba(88,166,255,0.1); border-color: var(--accent-color); color: var(--accent-color); }
.auth-divider { text-align: center; color: var(--text-secondary); font-size: 0.8rem; margin: 0.75rem 0; position: relative; }
.auth-divider::before, .auth-divider::after { content: ''; position: absolute; top: 50%; width: 40%; height: 1px; background: var(--border-color); }
.auth-divider::before { left: 0; }
.auth-divider::after { right: 0; }
.google-btn { width: 100%; background: transparent; border: 1px solid var(--border-color); color: var(--text-primary); padding: 0.75rem; border-radius: 8px; font-size: 0.95rem; font-weight: 500; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 0.5rem; transition: all 0.2s; }
.google-btn:hover { background: rgba(255,255,255,0.05); }
.auth-note { text-align: center; font-size: 0.8rem; color: var(--text-secondary); margin-top: 1rem; }

/* --- Google choice UI --- */
.google-choice-cards {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
}
@media (max-width: 480px) {
    .google-choice-cards {
        flex-direction: column;
    }
}
.google-choice-card {
    flex: 1;
    padding: 1.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.google-choice-card i {
    font-size: 1.75rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
    transition: transform 0.2s;
}
.google-choice-card h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}
.google-choice-card p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}
.google-choice-card:hover {
    background: rgba(88, 166, 255, 0.08);
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(88, 166, 255, 0.15);
}
.google-choice-card:hover i {
    transform: scale(1.1);
}

/* --- Premium locks --- */
.premium-locked {
    opacity: 0.6;
    position: relative;
}
.premium-locked-label::after {
    content: ' \f023'; /* Lock icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--accent-color);
    margin-left: 0.35rem;
    font-size: 0.8rem;
    display: inline-block;
}

/* --- Report actions --- */
.report-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* --- Glass card override (ensure it works) --- */
.glass-card { background-color: var(--card-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: 1px solid var(--border-color); border-radius: 16px; padding: 1.5rem; }
.card-header { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.5rem; }
.card-header i { color: var(--accent-color); font-size: 1.1rem; }
.card-header h3 { font-size: 1.05rem; font-weight: 600; }

/* --- Page header --- */
.page-header { margin-bottom: 2rem; }
.page-title h2 { font-size: 1.8rem; font-weight: 700; }
.page-title p { color: var(--text-secondary); font-size: 0.95rem; }

.chart-container { height: 350px; position: relative; }
.chart-container.hidden-chart {
    height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    width: 100%;
}

/* --- Summary grids (scenarios, seasonal, etc.) --- */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; }
.summary-card { background: var(--highlight-bg); border: 1px solid var(--border-color); border-radius: 10px; padding: 1rem; text-align: center; }
.summary-label { font-size: 0.75rem; text-transform: uppercase; color: var(--text-secondary); letter-spacing: 0.04em; display: block; margin-bottom: 0.4rem; }
.summary-val { font-size: 1.3rem; font-weight: 700; display: block; }
.summary-card small { font-size: 0.75rem; color: var(--text-secondary); display: block; margin-top: 0.25rem; }
.highlight-card { border-color: var(--accent-color) !important; background: rgba(88,166,255,0.04) !important; }

/* --- Action items --- */
.action-plan { display: flex; flex-direction: column; gap: 0.75rem; }
.action-item { display: flex; gap: 1rem; align-items: center; padding: 1rem; background: var(--highlight-bg); border: 1px solid var(--border-color); border-radius: 10px; transition: all 0.2s; }
.action-item:hover { border-color: var(--accent-color); transform: translateX(3px); }
.action-num { background: var(--accent-color); color: #0d1117; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; flex-shrink: 0; }
.action-text { font-size: 0.95rem; color: var(--text-primary); }

/* --- Tables --- */
.premium-table { width: 100%; border-collapse: collapse; }
.premium-table th { text-align: left; padding: 0.75rem 0.5rem; color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase; border-bottom: 1px solid var(--border-color); }
.premium-table td { padding: 0.75rem 0.5rem; border-bottom: 1px solid var(--border-color); font-size: 0.95rem; }

/* --- Model Notes --- */
.model-notes-section { margin-bottom: 1.5rem; }
.model-note-item { background: rgba(210,153,34,0.08); border-left: 3px solid var(--warning-color); padding: 0.75rem 1rem; border-radius: 0 8px 8px 0; font-size: 0.9rem; color: var(--text-primary); margin-bottom: 0.5rem; }

/* --- Assumptions --- */
.assumptions-section { background: var(--highlight-bg); border: 1px solid var(--border-color); border-radius: 10px; padding: 1.25rem; margin-top: 1.5rem; }
.assumptions-section h4 { color: var(--text-secondary); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.75rem; }
.assumptions-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.75rem; }
.assumption-chip { padding: 0.5rem 0.75rem; background: var(--highlight-bg-solid); border: 1px dashed var(--border-color); border-radius: 6px; font-size: 0.8rem; display: flex; justify-content: space-between; }
.assumption-chip span:first-child { color: var(--text-secondary); }
.assumption-chip span:last-child { font-weight: 600; color: var(--accent-color); }

/* --- Modal styles (ensure base) --- */
.modal-overlay { 
    position: fixed; 
    inset: 0; 
    background: rgba(0,0,0,0.75); 
    display: none; 
    justify-content: center; 
    align-items: flex-start; 
    z-index: 1000; 
    backdrop-filter: blur(4px); 
    overflow-y: auto; 
    padding: 2rem 1rem; 
    box-sizing: border-box; 
}
.modal-overlay.active { display: flex; }
.modal-content { 
    background: var(--sidebar-bg); 
    border: 1px solid var(--border-color); 
    border-radius: 16px; 
    padding: 2.2rem 2rem 2rem; 
    width: 100%; 
    max-width: 480px; 
    position: relative; 
    box-shadow: var(--modal-shadow); 
    margin: auto; 
    box-sizing: border-box; 
}
.modal-header h2 { font-size: 1.4rem; margin-bottom: 0.25rem; }
.modal-header p { color: var(--text-secondary); font-size: 0.9rem; }
.close-btn { position: absolute; top: 1.25rem; right: 1.25rem; background: none; border: none; color: var(--text-secondary); font-size: 1.5rem; cursor: pointer; }
.modal-footer { display: flex; justify-content: flex-end; }

/* --- Settings sections --- */
.settings-section h4 { color: var(--accent-color); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 0.75rem; }
.helper-text { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 0.5rem; }

/* --- Spacing helpers --- */
.mt-1 { margin-top: 0.75rem !important; }
.mt-2 { margin-top: 1.5rem !important; }

/* Duplicate Print Block Removed (consolidated above) */

/* ═══════════════════════════════════════════
   DASHBOARD v2.1 REFINEMENTS
   ═══════════════════════════════════════════ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.intel-column {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.span-2 { grid-column: span 2; }

/* Chart Tabs */
.chart-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 0.25rem;
    background: rgba(255,255,255,0.03);
    border-radius: 8px;
    width: fit-content;
}

.chart-tab-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
}

.chart-tab-btn.active {
    background: var(--card-bg);
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.chart-tab-btn:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

/* Compact Action Plan */
.action-plan.compact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-plan.compact .action-item {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 0.75rem;
    font-size: 0.85rem;
}

.action-plan.compact .action-num {
    min-width: 20px;
    height: 20px;
    font-size: 0.75rem;
}

/* Engineering Toggle Rotate */
#toggle-engineering i.fa-chevron-down {
    transition: transform 0.3s;
}

/* Responsive Dashboard */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .span-2 { grid-column: span 1; }
    .intel-column { order: 2; }
}

@media (max-width: 768px) {
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Status Colors for Dashboard v2.1 */
.status-buy { background: rgba(63,185,80,0.15); color: #3fb950; border: 1px solid rgba(63,185,80,0.3); }
.status-wait { background: rgba(210,153,34,0.15); color: #d29922; border: 1px solid rgba(210,153,34,0.3); }
.status-no { background: rgba(248,81,73,0.15); color: #f85149; border: 1px solid rgba(248,81,73,0.3); }

.highlight-card {
    border: 1px solid rgba(88, 166, 255, 0.3);
    background: linear-gradient(145deg, rgba(13, 17, 23, 0.9), rgba(88, 166, 255, 0.05));
}

/* Meter Upload Dropzone */
.meter-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.01);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 0.5rem;
}

.meter-dropzone:hover, .meter-dropzone.dragover {
    border-color: var(--accent-color);
    background: rgba(88, 166, 255, 0.04);
    box-shadow: 0 0 16px rgba(88, 166, 255, 0.1);
}

.dropzone-prompt {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dropzone-prompt span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.dropzone-file-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.dropzone-file-info span {
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
}

.text-btn {
    background: none;
    border: none;
    padding: 0.25rem;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.text-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* --- Settings Tabs & Toggles --- */
.settings-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
}

.settings-tab-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 0.4rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.settings-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.settings-tab-btn.active {
    background: rgba(88, 166, 255, 0.12);
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 8px rgba(88, 166, 255, 0.15);
}

/* Switch styling */
.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255,255,255,0.1);
    transition: .3s;
    border: 1px solid var(--border-color);
}

.switch-slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-primary);
    transition: .3s;
}

input:checked + .switch-slider {
    background-color: var(--accent-color);
}

input:checked + .switch-slider:before {
    transform: translateX(24px);
    background-color: #0d1117;
}

.switch-slider.round {
    border-radius: 24px;
}

.switch-slider.round:before {
    border-radius: 50%;
}

.flex-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
}

.success-badge {
    background: rgba(63, 185, 80, 0.15);
    color: #3fb950;
    border: 1px solid rgba(63, 185, 80, 0.3);
}

.info-badge {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.warning-badge {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* --- Hardware Interoperability Matrix Modal --- */
.interop-matrix-modal {
    max-width: min(1100px, 96vw) !important;
    width: 100% !important;
    max-height: min(90vh, 900px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: 1.5rem;
    min-height: 0;
}

.interop-matrix-header {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-right: 2rem;
    text-align: left;
}

.interop-matrix-title h2 {
    margin: 0 0 0.25rem;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.interop-matrix-title p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

.interop-matrix-pdf-btn {
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    gap: 0.5rem;
    border-color: rgba(239, 68, 68, 0.4);
    color: #ef4444;
}

.interop-matrix-filters {
    flex-shrink: 0;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.interop-matrix-filters label {
    font-size: 0.8rem;
    margin-bottom: 0.25rem;
}

.interop-matrix-filters select {
    font-size: 0.85rem;
    padding: 0.4rem;
}

.interop-matrix-scroll-hint {
    flex-shrink: 0;
    display: none;
    align-items: center;
    gap: 0.4rem;
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

@media (min-width: 769px) and (max-width: 1050px) {
    .interop-matrix-scroll-hint {
        display: flex;
    }
}

.interop-matrix-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0;
    border-radius: 8px;
    margin-bottom: 1rem;
    background: var(--card-bg);
}

.interop-matrix-table {
    width: 100%;
    min-width: 720px;
    margin: 0;
    font-size: 0.85rem;
}

.interop-matrix-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--card-bg);
}

.interop-matrix-table th {
    padding: 0.65rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    white-space: nowrap;
    border-bottom: 2px solid var(--border-color);
}

.interop-matrix-table td {
    padding: 0.65rem 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.interop-matrix-table .col-inverter {
    font-weight: 500;
    color: var(--text-primary);
    min-width: 130px;
}

.interop-matrix-table .col-battery {
    min-width: 130px;
}

.interop-matrix-table .col-rating {
    text-align: center;
    font-weight: 600;
    width: 72px;
    white-space: nowrap;
}

.interop-matrix-table .col-grade {
    text-align: center;
    width: 100px;
    white-space: nowrap;
}

.interop-matrix-table .col-notes {
    min-width: 220px;
    max-width: 360px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.35;
    white-space: normal;
    word-break: break-word;
}

.interop-matrix-badge {
    font-size: 0.7rem;
    padding: 0.15rem 0.4rem;
    font-weight: 600;
}

#interop-matrix-tbody tr {
    transition: background-color 0.15s ease;
}

#interop-matrix-tbody tr:hover {
    background-color: var(--btn-secondary-bg, rgba(0, 0, 0, 0.02));
}

.interop-matrix-footer {
    flex-shrink: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.interop-matrix-footer .primary-btn {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .interop-matrix-modal {
        max-height: min(92vh, 900px) !important;
        padding: 1.25rem 1rem 1rem !important;
    }

    .interop-matrix-header {
        flex-direction: column;
        padding-right: 1.75rem;
    }

    .interop-matrix-pdf-btn {
        width: 100%;
        justify-content: center;
    }

    .interop-matrix-scroll {
        border: none;
        background: transparent;
        overflow-y: auto;
        overflow-x: hidden;
    }

    .interop-matrix-table {
        min-width: 0;
        display: block;
    }

    .interop-matrix-table thead {
        display: none;
    }

    .interop-matrix-table tbody {
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
    }

    #interop-matrix-tbody tr {
        display: block;
        border: 1px solid var(--border-color);
        border-radius: 10px;
        padding: 0.75rem 0.85rem;
        background: var(--card-bg);
    }

    #interop-matrix-tbody tr:hover {
        background-color: var(--card-bg);
    }

    .interop-matrix-table td {
        display: flex;
        align-items: flex-start;
        justify-content: space-between;
        gap: 0.75rem;
        padding: 0.45rem 0;
        border-bottom: none;
        text-align: right;
        max-width: none;
        min-width: 0;
        width: auto;
    }

    .interop-matrix-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 0.7rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
        color: var(--text-secondary);
        text-align: left;
        flex-shrink: 0;
        min-width: 4.5rem;
    }

    .interop-matrix-table .col-rating,
    .interop-matrix-table .col-grade {
        text-align: right;
    }

    .interop-matrix-table .col-notes {
        flex-direction: column;
        align-items: stretch;
        text-align: left;
        font-size: 0.82rem;
    }

    .interop-matrix-table .col-notes::before {
        margin-bottom: 0.15rem;
    }

    .interop-matrix-footer {
        flex-direction: column;
        align-items: stretch;
    }

    .interop-matrix-footer .primary-btn {
        width: 100%;
        min-height: 44px;
    }
}

/* Ranges */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    background: var(--btn-hover-bg);
    height: 6px;
    border-radius: 3px;
    outline: none;
    padding: 0;
    border: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* --- Theme Switcher styles --- */
.theme-toggle-container {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 3px;
    margin: 1.5rem 0;
    gap: 2px;
}

:root.light-theme .theme-toggle-container {
    background: rgba(0, 0, 0, 0.05);
}

.theme-btn {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-secondary);
    padding: 0.5rem;
    font-size: 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.theme-btn:hover {
    color: var(--text-primary);
}

.theme-btn.active {
    background: var(--accent-color);
    color: #ffffff;
    box-shadow: 0 0 10px var(--accent-glow);
    font-weight: 600;
}

/* Light Theme logo color swap helper */
:root.light-theme .sidebar-logo {
    filter: invert(1);
}

/* --- App Footer & Customer Relations --- */
.app-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

:root.light-theme .app-footer {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 2.5rem;
    width: 100%;
    max-width: 1000px;
    margin-bottom: 1.5rem;
    text-align: left;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-column h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
    opacity: 0.9;
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: var(--accent-color) !important;
}

.footer-badges {
    display: flex;
    justify-content: center;
    width: 100%;
}

.footer-badges a {
    display: inline-block;
    opacity: 0.9;
    transition: opacity 0.2s ease;
}

.footer-badges a:hover {
    opacity: 1;
}

.footer-badges img {
    display: block;
    max-width: min(250px, 100%);
    height: auto;
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    width: 100%;
    padding-top: 1rem;
    text-align: center;
}

:root.light-theme .footer-copy {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
}

/* --- Major Launch Teaser Section --- */

/* Validation Alerts & Guardrail Cards */
.validation-alert-card {
    background: rgba(239, 68, 68, 0.03);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-left: 5px solid #ef4444;
    padding: 1.5rem;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    border-radius: 4px 12px 12px 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

.validation-alert-card.info-alert {
    background: rgba(59, 130, 246, 0.04);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-left: 5px solid #3b82f6;
}

.validation-alert-title {
    color: #ef4444;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.validation-alert-description {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.validation-alert-recommendations {
    background: rgba(0, 0, 0, 0.25);
    padding: 1.25rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.validation-alert-rec-title {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.validation-alert-rec-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.6rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    line-height: 1.6;
}

.validation-alert-rec-item i {
    color: var(--accent-color);
    margin-top: 0.25rem;
    font-size: 0.8rem;
}

/* Solar ROI Simulator Custom Styles */
.slider-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 1rem;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slider-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.slider-val-display {
    color: var(--accent-color);
    font-weight: 700;
}

.kpi-card {
    transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Custom Month Dropdown Button styles */
.custom-dropdown {
    position: relative;
    width: 100%;
}

.dropdown-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    padding: 0.7rem 0.9rem;
    font-size: 0.95rem;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.dropdown-btn:hover {
    border-color: var(--text-secondary);
}

.dropdown-btn:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
    z-index: 100;
    margin-top: 0.5rem;
    max-height: 250px;
    overflow-y: auto;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-item {
    padding: 0.65rem 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s, color 0.2s;
}

.dropdown-item:hover {
    background: var(--highlight-bg);
    color: var(--accent-color);
}

.dropdown-item.active {
    background: var(--accent-color);
    color: #ffffff;
    font-weight: 700;
}


/* Real-time Parameter Validator Alerts */
.realtime-alert-card {
    background: rgba(239, 68, 68, 0.04);
    border: 1px solid rgba(239, 68, 68, 0.15);
    border-left: 4px solid #ef4444;
    padding: 0.75rem 0.9rem;
    border-radius: 4px 8px 8px 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}
.realtime-alert-title {
    color: #ef4444;
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.realtime-alert-card.info-alert {
    background: rgba(59, 130, 246, 0.04);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-left: 4px solid #3b82f6;
}

.realtime-alert-description {
    color: var(--text-primary);
    font-size: 0.78rem;
    line-height: 1.4;
    margin-bottom: 0.4rem;
}
.realtime-alert-rec-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}
.realtime-alert-rec-item {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    margin-bottom: 0.2rem;
}
.realtime-alert-rec-item i {
    color: var(--accent-color);
    margin-top: 0.15rem;
    font-size: 0.7rem;
}
.realtime-alert-rec-item span b {
    color: var(--text-primary);
}

/* --- TABS --- */
.tabs-nav {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    flex-wrap: wrap;
}

.tab-btn {
    background: transparent;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 6px 6px 0 0;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    background: var(--btn-hover-bg);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--accent-glow);
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-pane.active {
    display: block;
}

#results-view .tab-pane {
    display: block;
    height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    width: 100%;
}

#results-view .tab-pane.active {
    height: auto;
    overflow: visible;
    opacity: 1;
    pointer-events: auto;
    position: static;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Pricing Page Styling */
.pricing-toggle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 3rem;
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1280px;
    margin: 0 auto 4rem auto;
    padding: 0 1.5rem;
    align-items: stretch;
}
.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 580px;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    position: relative;
    box-shadow: var(--card-shadow);
}
.pricing-card:hover {
    transform: translateY(-4px);
    border-color: var(--text-secondary);
}
.pricing-card.professional-featured {
    border: 2px solid var(--accent-color);
    box-shadow: 0 12px 40px rgba(168, 199, 250, 0.12);
}
.pricing-card.professional-featured:hover {
    box-shadow: 0 16px 48px rgba(168, 199, 250, 0.2);
}
.featured-badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--accent-color);
    color: #000000;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.plan-badge {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    font-weight: 700;
    display: block;
}
.plan-price {
    margin: 1.5rem 0 0.5rem 0;
    display: flex;
    align-items: baseline;
}
.plan-price .currency {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}
.plan-price span[id^="price-"] {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -0.02em;
}
.plan-price .period {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: 0.25rem;
}
.billing-note {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 600;
    display: block;
    margin-bottom: 2rem;
}
.plan-tagline {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin: 0.75rem 0 0.5rem 0;
}
.plan-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}
.plan-best-for {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px dashed var(--border-color);
}
.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.75rem; /* Increased vertical spacing for scannability */
}
.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.4;
}
.plan-features li i {
    color: var(--accent-color);
    margin-top: 0.25rem;
    font-size: 0.9rem;
}
.pricing-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 1rem;
    width: 100%;
    font-weight: 600;
    cursor: pointer;
    margin-top: 3rem;
    transition: background 0.2s, border-color 0.2s;
    font-family: var(--font-family);
    font-size: 1rem;
}
.pricing-btn:hover {
    background: var(--btn-hover-bg);
    border-color: var(--text-secondary);
}
.pricing-btn-featured {
    background: var(--accent-color);
    border: none;
    color: #000000;
    border-radius: 12px;
    padding: 1rem;
    width: 100%;
    font-weight: 700;
    cursor: pointer;
    margin-top: 3rem;
    transition: opacity 0.2s;
    font-family: var(--font-family);
    font-size: 1rem;
}
.pricing-btn-featured:hover {
    opacity: 0.9;
}

/* Toast Notifications */
.toast {
    background: var(--modal-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--modal-shadow);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s;
    pointer-events: auto;
    max-width: 380px;
    border-left: 4px solid var(--accent-color);
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}
.toast-success {
    border-left: 4px solid var(--success-color);
}
.toast-success i {
    color: var(--success-color);
}
.toast-error {
    border-left: 4px solid var(--error-color);
}
.toast-error i {
    color: var(--error-color);
}
.toast-warning {
    border-left: 4px solid var(--warning-color);
}
.toast-warning i {
    color: var(--warning-color);
}
.toast-info i {
    color: var(--accent-color);
}

/* --- Premium Settings Modal --- */
.settings-premium-modal {
    max-width: 800px !important;
    width: 95% !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: row;
    height: 520px;
    border-radius: 16px !important;
    overflow: hidden;
    background: var(--modal-bg) !important;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.7) !important;
}

.settings-premium-sidebar {
    width: 220px;
    background: rgba(255, 255, 255, 0.015);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.settings-premium-nav {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.settings-premium-nav .settings-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    border: 1px solid transparent;
    background: transparent;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 0.9rem;
    justify-content: flex-start;
    flex: none;
    box-shadow: none !important;
}

.settings-premium-nav .settings-tab-btn i {
    font-size: 1rem;
    width: 18px;
    text-align: center;
    color: var(--text-secondary);
}

.settings-premium-nav .settings-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.settings-premium-nav .settings-tab-btn.active {
    background: rgba(168, 199, 250, 0.08) !important;
    border-color: rgba(168, 199, 250, 0.2) !important;
    color: var(--accent-color) !important;
    font-weight: 600;
    box-shadow: none !important;
}

.settings-premium-nav .settings-tab-btn.active i {
    color: var(--accent-color) !important;
}

/* Content Area */
.settings-premium-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--card-bg);
}

.settings-premium-body {
    flex: 1;
    padding: 2rem 2.5rem;
    overflow-y: auto;
}

.settings-premium-footer {
    padding: 1.25rem 2.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    background: rgba(0, 0, 0, 0.1);
}

/* Premium Card Groupings for Settings */
.settings-card-group {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.settings-card-group-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-card-group-title i {
    color: var(--accent-color);
}

.settings-row-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.settings-row-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.settings-row-item:first-child {
    padding-top: 0;
}

.settings-row-label-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    max-width: 70%;
}

.settings-row-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.settings-row-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* Responsive adjust */
@media (max-width: 768px) {
    .settings-premium-modal {
        flex-direction: column !important;
        height: 90vh !important;
        max-height: 600px !important;
    }
    .settings-premium-sidebar {
        width: 100% !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color);
        flex-direction: column !important;
        padding: 0.75rem 1rem !important;
        align-items: flex-start;
    }
    .settings-premium-sidebar .settings-sidebar-header {
        margin-bottom: 0.5rem !important;
    }
    .settings-premium-nav {
        flex-direction: column !important;
        gap: 0.35rem !important;
        width: 100%;
        overflow-x: hidden;
        overflow-y: visible;
    }
    .settings-premium-nav .settings-tab-btn {
        width: 100% !important;
        padding: 0.75rem 1rem !important;
        font-size: 0.88rem !important;
        white-space: normal;
        justify-content: flex-start !important;
    }
    .settings-premium-sidebar-footer {
        display: none !important;
    }
}

/* ═══════════════════════════════════════════
   PAYMENT & ADMIN STYLES (v2.2)
   ═══════════════════════════════════════════ */

/* Payment Tab Buttons */
.pay-tab-btn {
    transition: all 0.2s ease-in-out;
}
.pay-tab-btn:hover {
    color: var(--text-primary) !important;
}
.pay-tab-btn.active {
    color: var(--text-primary) !important;
    border-bottom-color: var(--accent-color) !important;
}

/* Founder Dashboard — VC telemetry */
.founder-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.founder-kpi-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
}
.founder-kpi-label {
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}
.founder-kpi-hint {
    font-size: 0.72rem;
    color: var(--text-secondary);
    opacity: 0.85;
    margin-top: 0.15rem;
    min-height: 2.2em;
}
.founder-kpi-value {
    font-size: 1.55rem;
    font-weight: 700;
    margin-top: 0.35rem;
}
.founder-metrics-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}
.founder-metrics-panel {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 1rem;
}
.founder-metrics-panel h4 {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
}
.founder-bar-row {
    display: grid;
    grid-template-columns: minmax(80px, 1fr) 2fr auto;
    gap: 0.6rem;
    align-items: center;
    margin-bottom: 0.55rem;
    font-size: 0.82rem;
}
.founder-bar-label {
    text-transform: capitalize;
    color: var(--text-primary);
}
.founder-bar-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
.founder-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), #34d399);
    border-radius: 999px;
}
.founder-bar-value {
    white-space: nowrap;
    color: var(--text-secondary);
}
.founder-bar-value span {
    opacity: 0.75;
}
.founder-daily-list {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-height: 220px;
    overflow-y: auto;
}
.founder-daily-row {
    display: flex;
    justify-content: space-between;
    padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.founder-daily-meta {
    opacity: 0.7;
}
.founder-deck-note {
    margin-top: 1rem;
    padding: 0.85rem 1rem;
    border-radius: 8px;
    background: rgba(88, 166, 255, 0.08);
    border: 1px solid rgba(88, 166, 255, 0.18);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.founder-deck-note code {
    font-size: 0.78rem;
}

/* Admin Ledger Table */
.admin-table th, 
.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.admin-table tbody tr {
    transition: background-color 0.15s ease-in-out;
}
.admin-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Badges for status */
.badge-status {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}
.badge-status.pending {
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.2);
}
.badge-status.approved {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}
.badge-status.rejected {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Admin Action Buttons */
.admin-btn-approve {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-right: 0.5rem;
}
.admin-btn-approve:hover:not(:disabled) {
    background: #10b981;
    color: #ffffff;
    border-color: transparent;
}
.admin-btn-reject {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.admin-btn-reject:hover:not(:disabled) {
    background: #ef4444;
    color: #ffffff;
    border-color: transparent;
}
.admin-btn-approve:disabled,
.admin-btn-reject:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* --- Premium Payment Methods Grid & Shining Cards --- */
.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
    width: 100%;
}

.payment-method-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: 1px solid var(--border-color);
    padding: 0.75rem 0.5rem;
    border-radius: 10px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

/* Shine animation overlay on hover and active */
.payment-method-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: skewX(-25deg);
    transition: 0.75s;
    pointer-events: none;
}

.payment-method-card:hover::after {
    left: 150%;
    transition: 0.75s;
}

.payment-method-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.payment-method-card.active {
    background: rgba(56, 189, 248, 0.05) !important;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 16px rgba(56, 189, 248, 0.25), inset 0 1px 0 rgba(56, 189, 248, 0.15) !important;
    transform: translateY(-2px);
}

.payment-method-card.active::after {
    left: 150%;
    transition: 0.75s;
}

.payment-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 28px;
}

.payment-logo svg {
    display: block;
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.25));
}

/* ═══════════════════════════════════════════
   PREMIUM MOBILE LAYOUT IMPROVEMENTS (v2.6)
   ═══════════════════════════════════════════ */

/* Mobile Header Enhancements */
@media (max-width: 900px) {
    .mobile-header {
        background: rgba(13, 17, 23, 0.85) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
    }
}

/* General Layout Optimization for Mobile/Tablet */
@media (max-width: 768px) {
    .main-content {
        padding: 5.75rem 0.75rem 1.5rem !important;
    }
    
    /* Stacking grids for smaller screens */
    .dashboard-grid, .results-grid, .summary-grid, .assumptions-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }
    
    /* Avoid wrapping & cramping inside tabs on mobile - scrollable horizontal nav */
    .tabs-nav {
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        padding-bottom: 0.4rem !important;
        scrollbar-width: none;
    }
    .tabs-nav::-webkit-scrollbar {
        display: none;
    }
    .tab-btn {
        flex-shrink: 0 !important;
        white-space: nowrap !important;
        padding: 0.5rem 0.75rem !important;
        font-size: 0.85rem !important;
    }
    
    /* Make Segmented Controls mobile-friendly (stack nicely) */
    .segmented-control {
        display: flex !important;
        flex-direction: column !important;
        gap: 0.4rem !important;
        background: none !important;
        border: none !important;
        padding: 0 !important;
    }
    .segmented-control button {
        border-radius: 8px !important;
        border: 1px solid var(--border-color) !important;
        padding: 0.65rem 0.5rem !important;
        font-size: 0.85rem !important;
        text-align: center !important;
        width: 100% !important;
        background: rgba(255, 255, 255, 0.01) !important;
    }
    .segmented-control button.active {
        background: var(--accent-color) !important;
        color: white !important;
        border-color: var(--accent-color) !important;
    }
    
    /* Responsive Chart Container sizing */
    .chart-container {
        height: 220px !important;
        padding: 0.25rem !important;
    }
    
    /* Premium visual layout checkouts & modals on small device viewports */
    .modal-content {
        padding: 1.25rem !important;
        border-radius: 14px !important;
        max-width: calc(100% - 20px) !important;
        margin: 10px !important;
        box-sizing: border-box !important;
    }
    .modal-form-row {
        flex-direction: column !important;
        gap: 0.75rem !important;
    }
    .modal-form-group {
        width: 100% !important;
    }
}

/* Ultra-mobile Viewport Adaptations */
@media (max-width: 550px) {
    /* Stack KPI Cards to prevent layout text truncation */
    .kpi-grid {
        grid-template-columns: 1fr !important;
        gap: 0.75rem !important;
    }
    .kpi-card {
        padding: 1rem !important;
        gap: 0.75rem !important;
    }
    .kpi-icon {
        width: 38px !important;
        height: 38px !important;
        font-size: 1rem !important;
    }
    .kpi-value {
        font-size: 1.35rem !important;
    }
    
    /* Mobile-Money provider grid: 2 columns to prevent SVGs/text from overflowing */
    .payment-methods-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.5rem !important;
    }
    
    /* Dialog button styling on mobile: stacked for larger touch targets */
    #upgrade-prompt-modal .modal-content div {
        flex-direction: column !important;
        gap: 0.5rem !important;
    }
    #upgrade-prompt-modal button {
        width: 100% !important;
    }
}

/* ═══════════════════════════════════════════
   MOBILE SIDEBAR CLOSE & SPEC BOX GRID (v2.7)
   ═══════════════════════════════════════════ */

/* Sidebar mobile close button */
.close-sidebar-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    margin-left: auto;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    transition: background-color 0.2s;
}

.close-sidebar-btn:hover {
    background-color: var(--btn-hover-bg);
    color: var(--text-primary);
}

/* Regional Specifications layout */
.spec-box-content {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.months-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

@media (max-width: 900px) {
    .close-sidebar-btn {
        display: flex;
    }
    
    .sidebar {
        overflow-y: auto; /* Enable scroll on mobile */
    }
}

@media (max-width: 600px) {
    .spec-box-content {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .spec-box-content .spec-icon {
        font-size: 1.75rem !important;
        text-align: center;
        width: 100%;
        padding-top: 0 !important;
    }
    
    .months-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 0.4rem;
        width: 100%;
    }
}

@media (max-width: 420px) {
    .months-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ═══════════════════════════════════════════
   v3.4 — PREMIUM MOBILE RESTUCTURING
   ═══════════════════════════════════════════ */

/* Mobile Bottom Navigation Bar */
.mobile-nav-bar {
    display: none; /* Hidden on desktop */
}

@media (max-width: 900px) {
    .mobile-nav-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: var(--card-bg);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05);
        z-index: 1000;
        justify-content: space-around;
        align-items: center;
        padding-bottom: env(safe-area-inset-bottom);
        height: calc(60px + env(safe-area-inset-bottom));
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
    }
    
    .mobile-nav-link {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        text-decoration: none;
        font-size: 0.72rem;
        font-weight: 500;
        gap: 0.2rem;
        height: 100%;
        flex: 1;
        transition: color 0.15s, transform 0.1s;
    }
    
    .mobile-nav-link i {
        font-size: 1.15rem;
        transition: transform 0.15s;
    }
    
    .mobile-nav-link.active {
        color: var(--accent-color);
        font-weight: 600;
    }
    
    .mobile-nav-link.active i {
        transform: translateY(-2px);
    }

    /* Mobile sidebar: only admin (hamburger); main nav uses bottom bar */
    .sidebar .nav-menu .nav-item:not(#nav-admin-container) {
        display: none;
    }

    .sidebar-footer-desktop {
        display: none !important;
    }
    
    /* Adjust main content layout so it doesn't get covered by the bottom nav */
    .main-content {
        padding-bottom: calc(75px + env(safe-area-inset-bottom)) !important;
    }
}

@media (max-width: 600px) {
    /* Make tab views scrollable horizontally on mobile */
    .tabs-nav {
        display: flex !important;
        overflow-x: auto !important;
        white-space: nowrap !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        padding: 0.25rem 0.5rem !important;
        gap: 0.4rem !important;
        border-bottom: 1px solid var(--border-color);
    }
    
    .tabs-nav::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Opera */
    }
    
    .tabs-nav .tab-btn {
        flex: 0 0 auto !important;
        padding: 0.5rem 1rem !important;
        font-size: 0.85rem !important;
    }

    /* 2-column inputs for compact mobile form sizer */
    .input-grid.cols-2, .input-grid.cols-3, .input-grid.cols-4 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }
    
    /* Spacing adjustments on mobile */
    .glass-card {
        padding: 1.25rem 1rem !important;
        border-radius: 12px !important;
    }
    .page-header {
        margin-bottom: 1rem !important;
    }
    .page-header h2 {
        font-size: 1.4rem !important;
    }
    .page-header p {
        font-size: 0.85rem !important;
    }
    .kpi-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.75rem !important;
    }
    .kpi-card {
        padding: 0.75rem !important;
    }
    .kpi-value {
        font-size: 1.3rem !important;
    }
    .kpi-label {
        font-size: 0.75rem !important;
    }
    .kpi-sub {
        font-size: 0.7rem !important;
    }
    .chart-container {
        height: 240px !important; /* Make charts slightly smaller on phones */
    }
    .form-actions {
        flex-direction: column;
        gap: 0.75rem !important;
        align-items: stretch !important;
    }
    #tab-step-indicator {
        text-align: center;
    }
    .form-actions div[style*="justify-content: flex-end"] {
        justify-content: center !important;
        flex-direction: row !important;
        width: 100%;
    }
    .form-actions button {
        flex: 1;
        justify-content: center;
    }
}

/* AI Sizing Copilot styles */
@keyframes pulse-glow {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
        filter: drop-shadow(0 0 2px var(--accent-color));
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
        filter: drop-shadow(0 0 8px var(--accent-color));
    }
}

.copilot-card.loading {
    border-color: #38bdf8 !important;
    animation: border-pulse 1.5s infinite;
}

@keyframes border-pulse {
    0%, 100% {
        border-color: var(--accent-color);
        box-shadow: 0 0 5px rgba(16, 185, 129, 0.1);
    }
    50% {
        border-color: #38bdf8;
        box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
    }
}

/* ═══════════════════════════════════════════
   v3.7 — MOBILE UI OVERHAUL
   ═══════════════════════════════════════════ */

html {
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

.app-layout {
    overflow-x: hidden;
    max-width: 100vw;
}

@media (max-width: 900px) {
    body::before,
    body::after {
        display: none;
    }

    .mobile-header {
        padding: calc(0.65rem + env(safe-area-inset-top, 0px)) 1rem 0.65rem;
        min-height: calc(52px + env(safe-area-inset-top, 0px));
    }

    .hamburger {
        min-width: 44px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .main-content {
        margin-left: 0 !important;
        width: 100%;
        max-width: 100% !important;
        min-width: 0;
        overflow-x: hidden;
        box-sizing: border-box;
        padding: calc(3.75rem + env(safe-area-inset-top, 0px)) 1rem calc(4.75rem + env(safe-area-inset-bottom, 0px)) !important;
    }

    .pricing-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
        padding: 0 !important;
        margin-bottom: 2rem !important;
    }

    .pricing-card {
        min-height: auto !important;
        padding: 1.75rem 1.25rem !important;
    }

    .pricing-card:hover {
        transform: none;
    }

    .plan-price span[id^="price-"] {
        font-size: 2.75rem !important;
    }

    .plan-price .currency {
        font-size: 1.75rem !important;
    }

    .plan-features li {
        font-size: 0.88rem !important;
        line-height: 1.45 !important;
    }

    .billing-period-note {
        font-size: 0.82rem !important;
        padding: 0 0.5rem;
        line-height: 1.5;
    }
}

@media (max-width: 600px) {
    .main-content {
        margin-left: 0 !important;
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }

    #settings-view .page-title p {
        display: none;
    }

    .settings-page-shell .settings-premium-body {
        padding: 0.85rem 0.65rem 1rem !important;
    }

    .input-grid.cols-2,
    .input-grid.cols-3,
    .input-grid.cols-4 {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
    }

    .kpi-grid {
        grid-template-columns: 1fr !important;
        gap: 0.65rem !important;
        margin-bottom: 1.25rem !important;
    }

    .kpi-card {
        padding: 0.85rem 1rem !important;
    }

    .kpi-value {
        font-size: 1.25rem !important;
    }

    .page-title h2 {
        font-size: 1.3rem !important;
        line-height: 1.25;
    }

    .page-title p {
        font-size: 0.84rem !important;
        line-height: 1.45;
    }

    .page-header {
        margin-bottom: 1rem !important;
    }

    .glass-card {
        padding: 1.1rem 0.95rem !important;
        border-radius: 12px !important;
        overflow: hidden;
    }

    .card-header {
        margin-bottom: 1rem !important;
    }

    .card-header h3 {
        font-size: 0.98rem !important;
    }

    .profile-tiles {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 0.45rem !important;
    }

    .profile-tile {
        padding: 0.65rem 0.5rem !important;
        font-size: 0.8rem !important;
        min-height: 44px;
    }

    .primary-btn,
    .secondary-btn {
        min-height: 44px;
        padding: 0.7rem 1rem !important;
        font-size: 0.9rem !important;
        justify-content: center;
    }

    .form-actions {
        width: 100%;
    }

    .form-actions button {
        width: 100% !important;
    }

    .report-actions {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.65rem !important;
    }

    .report-actions .primary-btn,
    .report-actions .secondary-btn {
        width: 100% !important;
    }

    .custom-logo-section {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 0.85rem !important;
    }

    .custom-logo-section .input-group,
    .custom-logo-section > div {
        min-width: 0 !important;
        width: 100% !important;
    }

    #copilot-header {
        flex-wrap: wrap;
        gap: 0.5rem;
        align-items: flex-start !important;
    }

    #copilot-header > div:last-child {
        width: 100%;
        justify-content: space-between;
    }

    #copilot-body div[style*="justify-content: flex-end"] {
        flex-direction: column !important;
        align-items: stretch !important;
    }

    #copilot-submit-btn {
        width: 100% !important;
        justify-content: center !important;
    }

    .roi-kpi-row {
        grid-template-columns: 1fr !important;
    }

    .summary-grid {
        grid-template-columns: 1fr 1fr !important;
        gap: 0.65rem !important;
    }

    .decision-status {
        font-size: 1.15rem !important;
        padding: 0.75rem !important;
    }

    .chart-container {
        height: 220px !important;
    }

    .tabs-nav {
        margin-left: -0.25rem;
        margin-right: -0.25rem;
        padding-left: 0.25rem !important;
        padding-right: 0.25rem !important;
    }

    .tab-btn {
        min-height: 40px;
        font-size: 0.8rem !important;
        padding: 0.5rem 0.85rem !important;
    }

    .modal-overlay {
        z-index: 1100 !important;
        padding: 0.5rem !important;
        padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px)) !important;
        align-items: flex-start !important;
    }

    .modal-overlay.active .modal-content {
        margin-top: auto;
        margin-bottom: auto;
    }

    .modal-content {
        padding: 1.25rem 1rem 1.5rem !important;
        border-radius: 14px !important;
        max-width: 100% !important;
        width: 100% !important;
    }

    .settings-premium-modal {
        width: 100% !important;
        max-width: 100% !important;
        height: min(92vh, 720px) !important;
        max-height: none !important;
        border-radius: 14px !important;
    }

    .settings-premium-body {
        padding: 1.25rem 1rem !important;
    }

    .settings-premium-footer {
        padding: 1rem !important;
        flex-direction: column;
    }

    .settings-premium-footer button {
        width: 100% !important;
    }

    .settings-row-item {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.65rem;
    }

    .settings-row-label-group {
        max-width: 100% !important;
    }

    #settings-view .settings-premium-nav {
        flex-direction: column !important;
        overflow-x: hidden !important;
        overflow-y: visible !important;
        gap: 0.4rem !important;
        padding: 0 0.5rem 0.5rem !important;
    }

    #settings-view .settings-premium-nav .settings-tab-btn {
        width: 100% !important;
        flex: 0 0 auto !important;
        white-space: normal;
        justify-content: flex-start !important;
        text-align: left;
        padding: 0.75rem 1rem !important;
        font-size: 0.88rem !important;
        min-height: 48px;
    }

    .history-projects-grid {
        grid-template-columns: 1fr !important;
        gap: 1rem !important;
    }

    .history-card-actions {
        flex-direction: column !important;
    }

    .history-card-actions .secondary-btn,
    .history-card-actions .delete-btn {
        width: 100% !important;
        min-height: 44px;
    }

    .history-card-id {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .admin-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        white-space: nowrap;
    }

    .admin-table thead,
    .admin-table tbody {
        display: table;
        width: 100%;
        min-width: 640px;
    }

    .footer-grid {
        gap: 1.25rem !important;
    }

    .app-footer {
        margin-top: 2rem;
        padding-bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
    }

    .mobile-nav-link {
        min-height: 44px;
        padding-top: 0.35rem;
    }

    .mobile-nav-link span {
        font-size: 0.64rem;
    }

    .locked-overlay .unlock-btn {
        width: 100%;
        justify-content: center !important;
    }

    .premium-table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .premium-table thead,
    .premium-table tbody,
    .premium-table tr {
        display: table;
        width: 100%;
        table-layout: fixed;
    }

    .premium-table th,
    .premium-table td {
        padding: 0.55rem 0.4rem !important;
        font-size: 0.82rem !important;
    }

    select,
    input,
    textarea {
        font-size: 16px !important;
    }
}

@media (max-width: 380px) {
    .summary-grid {
        grid-template-columns: 1fr !important;
    }

    .mobile-nav-link span {
        display: none;
    }

    .mobile-nav-link i {
        font-size: 1.25rem;
    }

    .plan-price span[id^="price-"] {
        font-size: 2.35rem !important;
    }
}

.history-projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
    gap: 1.5rem;
}

/* Settings full-page view */
#settings-view {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    overflow-x: hidden;
    box-sizing: border-box;
}

.settings-page-shell {
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto 2rem auto;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    min-height: 520px;
    box-sizing: border-box;
}

.settings-page-shell .settings-premium-sidebar {
    width: 240px;
    flex-shrink: 0;
}

.settings-page-shell .settings-premium-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.settings-page-shell .settings-premium-body {
    flex: 1;
    overflow-y: auto;
    max-height: none;
}

#settings-view .page-header {
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}

.settings-sidebar-header-inner {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-left: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.settings-premium-nav .tab-label-short {
    display: none;
}

#settings-view .settings-field,
#settings-view select,
#settings-view input[type="number"],
#settings-view .theme-toggle-container {
    width: 100%;
    max-width: 280px;
}

@media (max-width: 900px) {
    #settings-view .page-header {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        margin-right: 0;
        padding: 0 0 0.75rem;
        box-sizing: border-box;
    }

    #settings-view .page-title {
        width: 100%;
        min-width: 0;
    }

    #settings-view .page-title h2 {
        font-size: 1.35rem;
    }

    #settings-view .page-title p {
        font-size: 0.88rem;
        line-height: 1.45;
    }

    .settings-page-shell {
        display: flex !important;
        flex-direction: column !important;
        flex-wrap: nowrap !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        min-height: auto !important;
        border-radius: 12px;
        margin: 0 0 1rem !important;
        overflow: hidden;
        box-sizing: border-box;
    }

    .settings-page-shell .settings-premium-sidebar {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        flex: 0 0 auto !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color);
        padding: 0.65rem 0.35rem 0.5rem !important;
        box-sizing: border-box;
    }

    .settings-page-shell .settings-sidebar-header-inner {
        display: none !important;
    }

    .settings-page-shell .settings-premium-nav {
        display: flex !important;
        flex-direction: column !important;
        flex-wrap: nowrap !important;
        overflow-x: hidden !important;
        overflow-y: visible !important;
        gap: 0.4rem !important;
        width: 100%;
        padding: 0 0.5rem 0.65rem !important;
    }

    .settings-page-shell .settings-premium-nav .settings-tab-btn {
        width: 100% !important;
        flex: 0 0 auto !important;
        min-height: 48px;
        padding: 0.75rem 1rem !important;
        font-size: 0.88rem !important;
        white-space: normal;
        text-align: left;
        justify-content: flex-start !important;
        box-shadow: none !important;
        border: 1px solid var(--border-color);
        background: rgba(255, 255, 255, 0.02);
    }

    .settings-page-shell .settings-premium-nav .settings-tab-btn.active {
        background: rgba(88, 166, 255, 0.12) !important;
        border-color: var(--accent-color) !important;
    }

    .settings-page-shell .settings-premium-sidebar-footer {
        display: none !important;
    }

    .settings-page-shell .settings-premium-content {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        flex: 1 1 auto !important;
        height: auto;
        box-sizing: border-box;
    }

    .settings-page-shell .settings-premium-body {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        padding: 1rem 0.75rem 1.25rem !important;
        overflow-x: hidden;
        overflow-y: visible;
        box-sizing: border-box;
    }

    .settings-page-shell .settings-card-group,
    .settings-page-shell .settings-billing-panel,
    .settings-page-shell .settings-tab-content {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }

    .settings-page-shell .settings-premium-footer {
        position: sticky;
        bottom: calc(60px + env(safe-area-inset-bottom, 0px));
        z-index: 90;
        padding: 0.85rem 1rem !important;
        margin: 0;
        background: var(--card-bg);
        border-top: 1px solid var(--border-color);
        box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.12);
    }

    .settings-page-shell .settings-premium-footer button {
        width: 100%;
        min-height: 44px;
        justify-content: center;
    }

    #settings-view .settings-row-item {
        flex-direction: column;
        align-items: stretch !important;
        gap: 0.65rem;
    }

    #settings-view .settings-row-label-group {
        max-width: 100% !important;
    }

    #settings-view .settings-field,
    #settings-view select,
    #settings-view input[type="number"],
    #settings-view .theme-toggle-container {
        width: 100% !important;
        max-width: 100% !important;
    }

    #settings-view .switch {
        align-self: flex-start;
    }

    #settings-view .settings-card-group {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    #settings-view .settings-premium-nav .tab-label-full {
        display: inline;
    }

    #settings-view .settings-premium-nav .tab-label-short {
        display: none;
    }

    .settings-pricing-grid .pricing-card {
        padding: 1.25rem 1rem !important;
    }
}

@media (min-width: 901px) {
    .settings-premium-nav .tab-label-short {
        display: none;
    }
}

/* Settings — billing & account tabs */
.settings-billing-panel {
    padding-bottom: 0.5rem;
}

.settings-pricing-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
    padding: 0 !important;
    margin: 0 !important;
    max-width: 100% !important;
}

.settings-pricing-grid .pricing-card {
    min-height: auto !important;
    padding: 1.5rem 1.15rem !important;
}

.settings-pricing-grid .pricing-card:hover {
    transform: none;
}

.settings-premium-modal .settings-premium-body {
    overflow-x: hidden;
}

.settings-tab-content.active {
    display: block;
}