/* ==========================================================================
   Components CSS — Statistical Analysis with Python FDP
   Callouts, stability badges, flowcharts, python output, data tables, etc.
   ========================================================================== */

/* ── Callout Boxes ─────────────────────────────────────────────────────── */
.callout {
    display: flex;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--border);
    background: var(--surface);
}

.callout-icon {
    flex-shrink: 0;
    font-size: 1.3rem;
    line-height: 1.4;
}

.callout-content {
    flex: 1;
}

.callout-content p:last-child {
    margin-bottom: 0;
}

.callout-content strong {
    display: block;
    margin-bottom: 0.25rem;
}

/* Callout variants */
.callout-warning {
    border-left-color: var(--warning);
    background: var(--warning-bg);
}

.callout-tip {
    border-left-color: var(--success);
    background: var(--success-bg);
}

.callout-note {
    border-left-color: var(--info);
    background: var(--info-bg);
}

.callout-research {
    border-left-color: var(--accent);
    background: var(--accent-light);
    background: rgba(162, 113, 247, 0.08);
}

.callout-facilitator {
    border-left-color: #e879f9;
    background: rgba(232, 121, 249, 0.08);
    border-style: dashed;
}

.callout-version {
    border-left-color: var(--primary);
    background: var(--primary-bg);
}

/* ── Stability Badges ──────────────────────────────────────────────────── */
.stability-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-bottom: 1rem;
    white-space: nowrap;
}

.stable-badge {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid var(--info);
}

.volatile-badge {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.stability-core {
    /* No badge by design — core content is evergreen */
}

/* ── Python Output Blocks ──────────────────────────────────────────────── */
.python-output {
    background: #1a1a2e;
    color: #d4d4d4;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
    overflow: hidden;
}

.python-output-header {
    background: #16213e;
    color: #7f8c8d;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.python-output-content {
    padding: 1rem 1.25rem;
    margin: 0;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre;
    background: transparent;
    border: none;
    border-radius: 0;
}

/* ── Diagnostic Flowcharts ─────────────────────────────────────────────── */
.diagnostic-flowchart {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin: 2rem 0;
}

.diagnostic-flowchart h3 {
    text-align: center;
    color: var(--accent-light);
    margin-bottom: 1.5rem;
}

.flowchart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.flowchart-node {
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    font-size: var(--font-size-sm);
    max-width: 360px;
}

.flowchart-start {
    background: var(--primary);
    color: #fff;
}

.flowchart-test {
    background: var(--accent);
    color: #fff;
    clip-path: polygon(10% 0%, 90% 0%, 100% 50%, 90% 100%, 10% 100%, 0% 50%);
    padding: 1rem 2rem;
}

.flowchart-action {
    background: var(--surface-hover);
    border: 2px solid var(--border);
    color: var(--text);
}

.flowchart-connector {
    font-size: 1.5rem;
    color: var(--text-muted);
    line-height: 1;
}

.flowchart-branches {
    display: flex;
    gap: 2rem;
    margin-top: 0.5rem;
}

.flowchart-branch {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.branch-label {
    display: inline-block;
    padding: 0.2rem 0.75rem;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.branch-label.yes {
    background: var(--success-bg);
    color: var(--success);
}

.branch-label.no {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ── Data Tables (Rendered by JS) ──────────────────────────────────────── */
.data-table-container {
    margin: 1.5rem 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.data-table-container h3 {
    margin-bottom: 1rem;
    color: var(--text-heading);
}

.data-table-container table {
    width: 100%;
    font-size: var(--font-size-sm);
}

.data-table-container .table-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 0.5rem;
    text-align: right;
}

.data-table-container .stale-warning {
    background: var(--warning-bg);
    color: var(--warning);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    margin-top: 0.75rem;
}

/* ── Scroll to top ──────────────────────────────────────────────────────── */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--primary-dark);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    pointer-events: none;
    z-index: 50;
}

.scroll-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-to-top:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

/* ── Table of Contents (Auto-generated) ────────────────────────────────── */
.module-toc {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.module-toc h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.75rem;
}

.module-toc ol {
    list-style: decimal;
    padding-left: 1.5rem;
}

.module-toc ol li {
    margin-bottom: 0.35rem;
    font-size: var(--font-size-sm);
}

.module-toc ol li a {
    color: var(--primary);
}

/* ── Hero Section (Index Page) ─────────────────────────────────────────── */
.hero-section {
    background: var(--gradient-hero);
    text-align: center;
    padding: 5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-section .hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.hero-section .hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--primary-dark);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: var(--primary);
    color: #fff;
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary-bg);
    text-decoration: none;
}

/* ── Module Cards Grid (Index Page) ────────────────────────────────────── */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.module-card {
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-fast);
}

.module-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.module-card-number {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.module-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: 0.5rem;
}

.module-card h3 a {
    color: var(--text-heading);
}

.module-card h3 a:hover {
    color: var(--primary);
    text-decoration: none;
}

.module-card p {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.module-card .card-tags {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-tag {
    display: inline-block;
    padding: 0.15rem 0.6rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ── Program Schedule Table ────────────────────────────────────────────── */
.schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.schedule-table thead th {
    background: var(--primary);
    color: #fff;
    padding: 0.75rem 1rem;
    text-align: center;
}

.schedule-table tbody td {
    padding: 0.6rem 1rem;
}

.schedule-table .day-label {
    font-weight: 700;
    text-align: center;
    background: var(--surface);
    color: var(--primary-light);
}

.schedule-table .session-am {
    background: var(--info-bg);
}

.schedule-table .session-pm {
    background: var(--accent-light);
    background: rgba(162, 113, 247, 0.06);
}

/* ── Review Dashboard ──────────────────────────────────────────────────── */
.review-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.review-status.overdue {
    background: var(--danger-bg);
    color: var(--danger);
}

.review-status.due-soon {
    background: var(--warning-bg);
    color: var(--warning);
}

.review-status.current {
    background: var(--success-bg);
    color: var(--success);
}

.mark-reviewed-btn {
    padding: 0.35rem 0.75rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    font-family: var(--font-sans);
    background: var(--success);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.mark-reviewed-btn:hover {
    background: #2ea043;
}

/* ── Loading & Empty States ────────────────────────────────────────────── */
.loading-state,
.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
}

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

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .modules-grid {
        grid-template-columns: 1fr;
    }

    .hero-section {
        padding: 3rem 1rem;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .flowchart-branches {
        flex-direction: column;
        gap: 1rem;
    }

    .callout {
        flex-direction: column;
        gap: 0.5rem;
    }
}