/* ============================================
   AI Future Scenarios Dashboard - Stylesheet
   ============================================ */

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-yellow: #f59e0b;
    --accent-orange: #f97316;
    --accent-red: #ef4444;
    --accent-purple: #8b5cf6;
    --border-color: #334155;
    --gradient-blue: linear-gradient(135deg, #3b82f6, #06b6d4);
    --gradient-green: linear-gradient(135deg, #10b981, #06b6d4);
    --gradient-yellow: linear-gradient(135deg, #f59e0b, #f97316);
    --gradient-red: linear-gradient(135deg, #ef4444, #f97316);
    --gradient-purple: linear-gradient(135deg, #8b5cf6, #3b82f6);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --radius: 12px;
    --radius-sm: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ---- Navigation ---- */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-brand .icon {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    list-style: none;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: var(--bg-card-hover);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ---- Layout ---- */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

/* ---- Hero Section ---- */
.hero {
    text-align: center;
    padding: 3rem 1rem 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
}

.hero .subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 1rem;
}

.hero .meta {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.hero .meta span {
    margin: 0 0.5rem;
}

/* ---- Cards Grid ---- */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

/* ---- Card Styles ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.3s;
    box-shadow: var(--shadow);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-blue);
}

.card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.card .card-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.card .card-footer {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}

/* ---- Scenario Cards ---- */
.scenario-card {
    position: relative;
    overflow: hidden;
}

.scenario-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.scenario-card.best::before { background: var(--gradient-green); }
.scenario-card.optimistic::before { background: linear-gradient(90deg, #10b981, #3b82f6); }
.scenario-card.baseline::before { background: var(--gradient-blue); }
.scenario-card.pessimistic::before { background: var(--gradient-yellow); }
.scenario-card.worst::before { background: var(--gradient-red); }

.scenario-card .likelihood {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.scenario-card.best .likelihood { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.scenario-card.optimistic .likelihood { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.scenario-card.baseline .likelihood { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.scenario-card.pessimistic .likelihood { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }
.scenario-card.worst .likelihood { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }

/* ---- Likelihood Bar ---- */
.likelihood-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.likelihood-bar .fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease;
}

.scenario-card.best .likelihood-bar .fill { background: var(--accent-green); }
.scenario-card.optimistic .likelihood-bar .fill { background: var(--accent-cyan); }
.scenario-card.baseline .likelihood-bar .fill { background: var(--accent-blue); }
.scenario-card.pessimistic .likelihood-bar .fill { background: var(--accent-yellow); }
.scenario-card.worst .likelihood-bar .fill { background: var(--accent-red); }

/* ---- Stats Row ---- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-blue);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.stat-card .stat-source {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ---- Section Headers ---- */
.section-header {
    margin: 2.5rem 0 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

/* ---- Domain Cards ---- */
.domain-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
}

.domain-card .domain-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.domain-card .explore-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--accent-blue);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 1rem;
    transition: gap 0.2s;
}

.domain-card:hover .explore-link {
    gap: 0.6rem;
}

/* ---- Source Badge ---- */
.source-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--accent-blue);
    margin: 0.15rem;
}

.sources-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 1rem;
}

/* ---- Page Content (Sub-pages) ---- */
.page-hero {
    padding: 2.5rem 0 1.5rem;
}

.page-hero h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.page-hero .page-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 800px;
}

.content-section {
    margin: 2rem 0;
}

.content-section h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-color);
}

.content-section h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1.5rem 0 0.75rem;
    color: var(--accent-cyan);
}

.content-section p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.content-section ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.content-section ul li {
    padding: 0.5rem 0 0.5rem 1.5rem;
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.content-section ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
}

/* ---- Data Table ---- */
.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

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

.data-table th {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: rgba(59, 130, 246, 0.05);
}

/* ---- Scenario Detail Table ---- */
.scenario-table {
    display: grid;
    gap: 1rem;
    margin: 1.5rem 0;
}

.scenario-row {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
}

.scenario-row .scenario-label {
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.scenario-row .scenario-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ---- Key Insight Box ---- */
.insight-box {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-left: 4px solid var(--accent-blue);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
}

.insight-box.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(249, 115, 22, 0.05));
    border-color: rgba(245, 158, 11, 0.2);
    border-left-color: var(--accent-yellow);
}

.insight-box.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.05));
    border-color: rgba(16, 185, 129, 0.2);
    border-left-color: var(--accent-green);
}

.insight-box .insight-title {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.insight-box p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* ---- Chart Container ---- */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.chart-container h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.bar-chart {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.bar-row {
    display: grid;
    grid-template-columns: 140px 1fr 60px;
    align-items: center;
    gap: 1rem;
}

.bar-row .bar-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: right;
}

.bar-row .bar-track {
    height: 28px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.bar-row .bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1.5s ease;
    min-width: 2px;
}

.bar-row .bar-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ---- Footer ---- */
.footer {
    margin-top: 3rem;
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

.footer a {
    color: var(--accent-blue);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* ---- Back to Dashboard Link ---- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--accent-blue);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
    transition: gap 0.2s;
}

.back-link:hover {
    gap: 0.6rem;
}

/* ---- Methodology Badge ---- */
.methodology {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin: 2rem 0;
}

.methodology h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.methodology p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
    .grid-6 { grid-template-columns: repeat(3, 1fr); }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1rem;
    }
    .nav-links.open { display: flex; }
    .grid-2, .grid-3, .grid-5, .grid-6 { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr; }
    .hero h1 { font-size: 1.8rem; }
    .bar-row { grid-template-columns: 100px 1fr 50px; }
    .scenario-row { grid-template-columns: 1fr; }
    .container { padding: 1rem; }
}