/* methodology.css - Methodology page styles */

:root {
    --bg-primary: #0a0f1a;
    --bg-secondary: #111827;
    --bg-card: #1a2235;
    --bg-card-hover: #222d42;
    --border: #2a3548;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-green: #10b981;
    --accent-green-soft: rgba(16, 185, 129, 0.15);
    --accent-blue: #3b82f6;
    --accent-blue-soft: rgba(59, 130, 246, 0.15);
    --accent-purple: #8b5cf6;
    --accent-purple-soft: rgba(139, 92, 246, 0.15);
    --accent-amber: #f59e0b;
    --accent-amber-soft: rgba(245, 158, 11, 0.15);
    --accent-red: #ef4444;
    --accent-red-soft: rgba(239, 68, 68, 0.15);
}

html {
    background: #0a0f1a !important;
    background-color: #0a0f1a !important;
}

body {
    background: #0a0f1a !important;
    background-color: #0a0f1a !important;
    color: #f1f5f9 !important;
    font-family: 'Outfit', sans-serif;
}

/* Override any Bootstrap card backgrounds */
.card, .card-body, .card-header, .card-footer {
    background: #1a2235 !important;
    background-color: #1a2235 !important;
    color: #f1f5f9 !important;
}

/* Override main wrapper backgrounds */
.main-container, main, main[role="main"], .container, .container-fluid, .container-lg, .container-md, .container-sm, .container-xl, .container-xxl {
    background: #0a0f1a !important;
    background-color: #0a0f1a !important;
}

/* Force dark background on all wrappers */
html body, html body .main-container, html body main {
    background: #0a0f1a !important;
    background-color: #0a0f1a !important;
}

/* Fix alpha-section white background */
.alpha-section {
    background: transparent !important;
    background-color: transparent !important;
}

.methodology-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 48px 24px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 20px;
    border: 1px solid var(--border);
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233b82f6' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-green-soft);
    color: var(--accent-green);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.hero-badge i {
    font-size: 0.75rem;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    margin: 0 0 16px 0;
    letter-spacing: -1px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 500px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.hero-stats-scope {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 820px;
    margin: -24px auto 40px;
    line-height: 1.55;
    text-align: center;
}

.stat-card {
    background: var(--bg-card) !important;
    background-color: #1a2235 !important;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.2s ease;
}

.stat-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    background: var(--bg-card-hover) !important;
    background-color: #222d42 !important;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.25rem;
}

.stat-icon.green { background: var(--accent-green-soft); color: var(--accent-green); }
.stat-icon.blue { background: var(--accent-blue-soft); color: var(--accent-blue); }
.stat-icon.purple { background: var(--accent-purple-soft); color: var(--accent-purple); }
.stat-icon.amber { background: var(--accent-amber-soft); color: var(--accent-amber); }

.stat-value {
    font-size: 2.25rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.section-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.section-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Confidence Tiers */
.tiers-section {
    margin-bottom: 48px;
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.tier-card {
    background: var(--bg-card) !important;
    background-color: #1a2235 !important;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.tier-card.high {
    border-color: rgba(16, 185, 129, 0.3);
}

.tier-card.medium {
    border-color: rgba(245, 158, 11, 0.3);
}

.tier-card.low {
    border-color: rgba(107, 114, 128, 0.3);
}

.tier-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.tier-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.tier-badge.high {
    background: var(--accent-green-soft);
    color: var(--accent-green);
}

.tier-badge.medium {
    background: var(--accent-amber-soft);
    color: var(--accent-amber);
}

.tier-badge.low {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

.tier-threshold {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

.tier-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.tier-metric {
    text-align: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 10px;
}

.tier-metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
}

.tier-metric-value.positive { color: var(--accent-green); }
.tier-metric-value.negative { color: var(--accent-red); }
.tier-metric-value.neutral { color: var(--text-primary); }

.tier-metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 4px;
}

.tier-samples {
    text-align: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tier-samples strong {
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

/* Source Rankings */
.sources-section {
    margin-bottom: 48px;
}

.sources-table {
    background: var(--bg-card) !important;
    background-color: #1a2235 !important;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.source-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 16px;
    padding: 16px 24px;
    align-items: center;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s ease;
}

.source-row:last-child {
    border-bottom: none;
}

.source-row:hover {
    background: var(--bg-card-hover);
}

.source-row.header {
    background: var(--bg-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.source-row.header:hover {
    background: var(--bg-secondary);
}

.source-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.source-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.source-name {
    font-weight: 600;
}

.source-types {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.source-metric {
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
}

.source-metric.win-rate {
    font-weight: 600;
}

.source-metric.positive { color: var(--accent-green); }
.source-metric.negative { color: var(--accent-red); }

@media (max-width: 768px) {
    .source-row {
        grid-template-columns: 1fr 1fr !important;
        gap: 12px;
    }

    .source-row .source-info {
        grid-column: 1 / -1;
    }

    .source-row.header {
        display: none;
    }

    .source-metric::before {
        content: attr(data-label);
        display: block;
        font-size: 0.7rem;
        color: var(--text-muted);
        font-family: 'Outfit', sans-serif;
        margin-bottom: 4px;
    }
}

/* Methodology Explainer */
.methodology-section {
    margin-bottom: 48px;
}

.methodology-card {
    background: var(--bg-card) !important;
    background-color: #1a2235 !important;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    color: var(--text-primary) !important;
}

.methodology-card p,
.methodology-card h3,
.methodology-card h4 {
    color: var(--text-primary) !important;
}

/* Adaptive Weighting Section Styles */
.adaptive-weighting .methodology-card {
    color: var(--text-primary) !important;
}

.weight-example {
    color: var(--text-primary) !important;
}

.weight-example h3 {
    color: var(--text-primary) !important;
}

.weight-example p {
    color: var(--text-secondary) !important;
}

.weight-period {
    color: var(--text-primary) !important;
}

.weight-period strong {
    color: var(--text-primary) !important;
}

.weight-mapping {
    color: var(--text-primary) !important;
}

.weight-mapping h3 {
    color: var(--text-primary) !important;
    margin-top: 0;
    margin-bottom: 16px;
}

.weight-mapping table {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.weight-mapping table th {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    font-weight: 600;
    border-bottom: 1px solid var(--border) !important;
}

.weight-mapping table td {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border-bottom: 1px solid var(--border);
}

.weight-mapping table tr:last-child td {
    border-bottom: none;
}

.weight-mapping table tr:hover td {
    background: var(--bg-card) !important;
}

.methodology-steps {
    display: grid;
    gap: 24px;
}

.methodology-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-blue-soft);
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.step-content p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.step-content code {
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--accent-purple);
}

/* Formula Box */
.formula-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-top: 24px;
    text-align: center;
}

.formula-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.formula {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    color: var(--accent-purple);
    background: var(--bg-card);
    padding: 12px 20px;
    border-radius: 8px;
    display: inline-block;
}

/* Trust Badges */
.trust-section {
    margin-bottom: 40px;
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

.trust-card {
    background: var(--bg-card) !important;
    background-color: #1a2235 !important;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}

.trust-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 1.5rem;
}

.trust-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

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

/* Top Signals Table */
.signals-section {
    margin-bottom: 48px;
}

.signals-table {
    background: var(--bg-card) !important;
    background-color: #1a2235 !important;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.signal-row {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr 0.8fr;
    gap: 12px;
    padding: 14px 20px;
    align-items: center;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.signal-row:last-child {
    border-bottom: none;
}

.signal-row.header {
    background: var(--bg-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.signal-row:not(.header):hover {
    background: var(--bg-card-hover);
}

.signal-type {
    font-weight: 500;
}

.signal-source {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.direction-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.direction-badge.bullish {
    background: var(--accent-green-soft);
    color: var(--accent-green);
}

.direction-badge.bearish {
    background: var(--accent-red-soft);
    color: var(--accent-red);
}

.confidence-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.confidence-pill.high {
    background: var(--accent-green-soft);
    color: var(--accent-green);
}

.confidence-pill.medium {
    background: var(--accent-amber-soft);
    color: var(--accent-amber);
}

.confidence-pill.low {
    background: rgba(107, 114, 128, 0.15);
    color: #9ca3af;
}

@media (max-width: 900px) {
    .signal-row {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .signal-row > *:nth-child(n+4) {
        display: none;
    }
    .signal-row.header > *:nth-child(n+4) {
        display: none;
    }
}

/* Footer Note */
.footer-note {
    text-align: center;
    padding: 32px;
    color: var(--text-muted);
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    margin-top: 40px;
}

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

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 48px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* Override base footer styles for dark theme */
footer {
    background-color: var(--bg-primary) !important;
    border-color: var(--border) !important;
}

footer .text-muted {
    color: var(--text-muted) !important;
}

footer .footer-links a {
    color: var(--text-secondary) !important;
}

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

/* Expandable Source Details */
.source-row.expandable {
    transition: background 0.2s;
}

.source-row.expandable:hover {
    background: var(--bg-card-hover);
}

.source-row.expandable .expand-icon {
    transition: transform 0.3s;
}

.source-row.expandable.expanded .expand-icon {
    transform: rotate(90deg);
}

.source-details {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.details-container {
    padding: 24px;
}

.details-header {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.details-table {
    display: grid;
    gap: 1px;
    background: var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.detail-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 16px;
    padding: 12px 16px;
    background: var(--bg-card);
    align-items: center;
}

.detail-row.header {
    background: var(--bg-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.signal-type-name {
    display: flex;
    align-items: center;
    font-weight: 500;
}

.detail-metric {
    text-align: center;
    font-weight: 500;
}

.detail-metric.positive {
    color: var(--accent-green);
}

.detail-metric.negative {
    color: var(--accent-red);
}

.detail-metric.win-rate {
    font-weight: 600;
}

/* Detail rows (Signal Types in X) – mobile: stack and use data-label */
@media (max-width: 768px) {
    .detail-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .detail-row.header {
        display: none;
    }

    .detail-row .detail-metric::before {
        content: attr(data-label);
        display: block;
        font-size: 0.7rem;
        color: var(--text-muted);
        font-family: 'Outfit', sans-serif;
        margin-bottom: 4px;
    }
}

/* Confidence tiers grid – 2 cols at 768, 1 at 480 */
@media (max-width: 768px) {
    .confidence-tiers-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 480px) {
    .confidence-tiers-grid {
        grid-template-columns: 1fr !important;
    }
}

/* Container and hero – tighter on small screens */
@media (max-width: 480px) {
    .methodology-container {
        padding: 16px;
    }

    .hero-title {
        font-size: 1.75rem;
    }
}

/* Top Performing signals – stack the 3 visible columns on very small screens */
@media (max-width: 480px) {
    .signal-row {
        grid-template-columns: 1fr !important;
    }
}