/* ===== DESIGN TOKENS ===== */
:root {
    /* Palette — Norwegian forest */
    --forest-900: #0d1f16;
    --forest-800: #142b1e;
    --forest-700: #1a3a2a;
    --forest-600: #245236;
    --forest-500: #2d6a44;
    --forest-400: #3d8a5a;
    --forest-300: #6bab80;
    --forest-200: #a3cfb0;
    --forest-100: #daeade;
    --forest-50: #f0f7f2;

    /* Warm neutrals */
    --cream-50: #fdfcfa;
    --cream-100: #faf6f0;
    --cream-200: #f3ede3;
    --cream-300: #e8dfd1;
    --cream-400: #d4c8b5;

    /* Amber accent */
    --amber-600: #a67c28;
    --amber-500: #c49a3c;
    --amber-400: #d4af5a;
    --amber-300: #e4ca8a;
    --amber-200: #f0dfb8;

    /* Status */
    --ok-green: #2d8a4e;
    --warn-amber: #b8860b;
    --fail-red: #b84233;

    /* Semantic */
    --bg-primary: var(--cream-100);
    --bg-surface: #ffffff;
    --bg-surface-alt: var(--cream-50);
    --bg-dark: var(--forest-800);
    --text-primary: var(--forest-900);
    --text-secondary: #5a6b5e;
    --text-muted: #8a9a8e;
    --text-on-dark: var(--cream-100);
    --border: var(--cream-300);
    --border-subtle: var(--cream-200);
    --accent: var(--forest-600);
    --accent-hover: var(--forest-500);
    --highlight: var(--amber-500);

    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;

    /* Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===== NOISE TEXTURE ===== */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    background-size: 256px;
}

/* ===== SITE HEADER ===== */
.site-header {
    padding: var(--space-lg) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
}
.logo-mark {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    font-style: italic;
    color: var(--forest-600);
    line-height: 1;
}
.logo-text {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}
.site-nav {
    display: flex;
    gap: var(--space-lg);
    align-items: center;
}
.site-nav a {
    font-size: 0.9rem;
    font-weight: 400;
    text-decoration: none;
    color: var(--text-secondary);
    transition: color 0.2s;
    padding: var(--space-xs) 0;
}
.site-nav a:hover { color: var(--accent); }
.site-nav a.active {
    color: var(--forest-700);
    font-weight: 600;
    border-bottom: 2px solid var(--forest-500);
}
.site-nav a.nav-cta {
    background: var(--forest-700);
    color: var(--text-on-dark);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    border: none;
}
.site-nav a.nav-cta:hover { background: var(--forest-600); }

/* ===== PAGE HEADER ===== */
.page-header {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
}
.page-header h1 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--forest-800);
    margin-bottom: var(--space-sm);
}
.page-header p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
}
.breadcrumb {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}
.breadcrumb a {
    color: var(--forest-500);
    text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }

/* ===== BUTTONS ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--forest-700);
    color: var(--text-on-dark);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s;
}
.btn-primary:hover { background: var(--forest-600); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(26, 58, 42, 0.2); }
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: transparent;
    color: var(--forest-700);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-md);
    border: 1.5px solid var(--forest-300);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s;
}
.btn-secondary:hover { border-color: var(--forest-600); background: var(--forest-50); }

/* ===== WARNING BANNER ===== */
.warning-banner {
    max-width: 1400px;
    margin: 0 auto var(--space-lg);
    padding: 0 var(--space-xl);
}
.warning-banner-inner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--amber-200);
    border: 1px solid var(--amber-300);
    border-left: 4px solid var(--amber-500);
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    color: var(--forest-900);
}
.warning-banner-inner .warning-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}
.warning-banner-inner a {
    color: var(--forest-600);
    font-weight: 600;
    text-decoration: underline;
}

/* ===== CONTENT WRAPPER ===== */
.content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl) var(--space-3xl);
}

/* ===== TOOL CARDS ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}
.tool-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}
.tool-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--forest-600), var(--amber-400));
    opacity: 0;
    transition: opacity 0.3s;
}
.tool-card:hover {
    border-color: var(--forest-200);
    box-shadow: 0 8px 40px rgba(13, 31, 22, 0.08);
    transform: translateY(-2px);
}
.tool-card:hover::before { opacity: 1; }
.tool-card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--forest-50);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: var(--space-lg);
    color: var(--forest-600);
}
.tool-card h3 {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}
.tool-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}
.tool-card-tag {
    display: inline-block;
    margin-top: var(--space-md);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--forest-400);
    background: var(--forest-50);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
}

/* ===== SCENARIO TABS ===== */
.scenario-tabs {
    display: flex;
    gap: 2px;
    background: var(--cream-200);
    border-radius: var(--radius-md);
    padding: 2px;
}
.scenario-tab {
    padding: var(--space-sm) var(--space-lg);
    border-radius: calc(var(--radius-md) - 2px);
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
}
.scenario-tab.active {
    background: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.scenario-tab.add { color: var(--text-muted); }

/* ===== SCENARIO PANELS ===== */
.scenario-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}
.scenario-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: visible;
}
.scenario-panel-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    background: var(--bg-surface);
}
.scenario-panel-header h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
}
.scenario-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
    margin-right: var(--space-sm);
}
.scenario-a .scenario-color { background: var(--forest-500); }
.scenario-b .scenario-color { background: var(--amber-500); }
.scenario-c .scenario-color { background: #5a7fa8; }
.scenario-panel-body { padding: var(--space-lg); }

/* Single panel container (replaces side-by-side grid) */
.scenario-single-panel {
    margin-bottom: var(--space-xl);
}
.scenario-single-panel .scenario-panel {
    max-width: 600px;
}

/* ===== FORM ELEMENTS ===== */
.form-group { margin-bottom: var(--space-lg); }
.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.02em;
}
/* ===== GLOSSARY TOOLTIP ===== */
.glossary-tip {
    position: relative;
    display: inline-flex;
    /* Tooltip escapes overflow via fixed positioning */
}
.glossary-tip-trigger {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1.5px solid var(--forest-300);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--forest-400);
    cursor: help;
    transition: all 0.2s;
    background: transparent;
    font-family: var(--font-body);
    line-height: 1;
    flex-shrink: 0;
}
.glossary-tip-trigger:hover {
    border-color: var(--forest-500);
    color: var(--forest-600);
    background: var(--forest-50);
}
.glossary-tip-popup {
    position: fixed;
    width: 300px;
    background: var(--forest-800);
    border: 1px solid var(--forest-600);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25), 0 4px 12px rgba(0, 0, 0, 0.15);
    padding: var(--space-md) var(--space-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    z-index: 10000;
    pointer-events: none;
    /* JS will position this; fallback for pure CSS below */
    top: 0;
    left: 0;
}
.glossary-tip:hover .glossary-tip-popup {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.glossary-tip-popup-title {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cream-100);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.glossary-tip-popup-title .brg-tag {
    font-family: var(--font-body);
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--forest-200);
    background: var(--forest-600);
    padding: 2px 6px;
    border-radius: 3px;
}
.glossary-tip-popup-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--forest-100);
    line-height: 1.6;
    margin-bottom: 10px;
}
.glossary-tip-popup-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--amber-400);
    text-decoration: none;
    transition: color 0.15s;
}
.glossary-tip-popup-link:hover {
    color: var(--amber-300);
    text-decoration: underline;
}
.form-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-mono);
    font-size: 0.95rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--text-primary);
    transition: all 0.2s;
    outline: none;
}
.form-input:focus {
    border-color: var(--forest-400);
    box-shadow: 0 0 0 3px rgba(45, 106, 68, 0.08);
}
.form-input-suffix { position: relative; }
.form-input-suffix .form-input { padding-right: 50px; }
.form-input-suffix .suffix {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-body);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

/* ===== RESULTS TABLE ===== */
.results-comparison {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-xl);
}
.results-comparison-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.results-comparison-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-xs) var(--space-md);
    background: none;
    cursor: pointer;
    transition: all 0.2s;
}
.share-btn:hover { border-color: var(--forest-400); color: var(--forest-600); }

.results-grid {
    display: grid;
    /* grid-template-columns set via inline style for dynamic scenario count */
    grid-template-columns: 200px 1fr;
    font-size: 0.9rem;
}
.results-grid .label-col {
    padding: var(--space-md) var(--space-lg);
    font-weight: 500;
    color: var(--text-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
}
.results-grid .val-col {
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-mono);
    font-size: 0.88rem;
    display: flex;
    align-items: center;
}
.results-grid .val-col:not(:last-child) { border-right: 1px solid var(--border-subtle); }
.results-grid .row { display: contents; }
.results-grid .row:not(:last-child) .label-col,
.results-grid .row:not(:last-child) .val-col { border-bottom: 1px solid var(--border-subtle); }
.results-grid .row-highlight .label-col,
.results-grid .row-highlight .val-col { background: var(--forest-50); font-weight: 600; }
.results-grid .row-highlight .val-col {
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--forest-700);
}
.val-diff {
    font-size: 0.72rem;
    font-family: var(--font-body);
    margin-left: var(--space-sm);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
}
.val-diff.better { background: #e6f4ea; color: var(--ok-green); }
.val-diff.worse { background: #fce8e6; color: var(--fail-red); }

/* ===== STRESS TEST ===== */
.stress-badge {
    display: flex;
    gap: var(--space-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    align-items: center;
    margin-bottom: var(--space-xl);
}
.stress-badge-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
}
.stress-badge-icon.pass { background: #e6f4ea; color: var(--ok-green); border: 2px solid var(--ok-green); }
.stress-badge-icon.fail { background: #fce8e6; color: var(--fail-red); border: 2px solid var(--fail-red); }
.stress-badge-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}
.stress-badge-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}
.stress-rules { display: flex; gap: var(--space-lg); flex-wrap: wrap; }
.stress-rule {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.82rem;
    font-weight: 500;
}
.stress-rule-dot { width: 8px; height: 8px; border-radius: 50%; }
.stress-rule-dot.pass { background: var(--ok-green); }
.stress-rule-dot.fail { background: var(--fail-red); }

/* ===== DERIVATION VIEW ===== */
.derivation-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-xl);
}
.derivation-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}
.derivation-header h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
}
.derivation-toggle {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--forest-500);
    background: var(--forest-50);
    border: none;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: var(--font-body);
}
.derivation-body { padding: var(--space-xl); }

.deriv-node {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-left: var(--space-xl);
    position: relative;
}
.deriv-node::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 24px;
    bottom: -8px;
    width: 1px;
    background: var(--cream-300);
}
.deriv-node:last-child::before { display: none; }
.deriv-node-dot {
    position: absolute;
    left: 2px;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--forest-400);
    background: var(--bg-surface);
    flex-shrink: 0;
}
.deriv-node-dot.result { background: var(--forest-500); border-color: var(--forest-500); }
.deriv-node-content {
    flex: 1;
    background: var(--cream-50);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}
.deriv-node-type {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
}
.deriv-node-type.term { color: var(--forest-500); }
.deriv-node-type.fact { color: var(--amber-600); }
.deriv-node-type.constraint { color: var(--fail-red); }
.deriv-node-type.derivation { color: #5a6bbf; }
.deriv-node-label { font-weight: 600; font-size: 0.9rem; margin-bottom: var(--space-xs); }
.deriv-node-desc { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; }
.deriv-node-value {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    margin-top: var(--space-sm);
    color: var(--forest-700);
    font-weight: 500;
}
.deriv-node-source {
    margin-top: var(--space-sm);
    font-size: 0.72rem;
    color: var(--text-muted);
    font-style: italic;
}
.deriv-node.depth-1 { padding-left: calc(var(--space-xl) * 2); }
.deriv-node.depth-1::before { left: calc(8px + var(--space-xl)); }
.deriv-node.depth-1 .deriv-node-dot { left: calc(2px + var(--space-xl)); }

/* ===== GLOSSARY / FACTS ===== */
.two-col-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-xl);
}
.main-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}
.main-panel h1 {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    color: var(--forest-800);
}
.brg-type-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xl);
}
.brg-type-tag.term { color: var(--forest-500); background: var(--forest-50); }
.brg-type-tag.fact { color: var(--amber-600); background: var(--amber-200); }
.definition-block {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-subtle);
}
.definition-block strong { color: var(--forest-700); }
.related-section { margin-bottom: var(--space-xl); }
.related-section h2 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}
.related-item {
    padding: var(--space-md);
    background: var(--cream-50);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    font-size: 0.88rem;
    line-height: 1.6;
}
.fact-arrow { color: var(--amber-500); margin: 0 var(--space-sm); }
.term-link {
    color: var(--forest-500);
    text-decoration: none;
    border-bottom: 1px dashed var(--forest-300);
    cursor: help;
}
.term-link:hover { border-bottom-color: var(--forest-500); }

/* Sidebar */
.sidebar { display: flex; flex-direction: column; gap: var(--space-lg); }
.sidebar-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}
.sidebar-card h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}
.sidebar-link-list { list-style: none; }
.sidebar-link-list li { margin-bottom: var(--space-sm); }
.sidebar-link-list a {
    font-size: 0.85rem;
    color: var(--forest-500);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}
.sidebar-link-list a:hover { text-decoration: underline; }
.sidebar-link-list .arrow { font-size: 0.7rem; opacity: 0.5; }
.ad-placeholder {
    background: var(--cream-200);
    border: 1px dashed var(--cream-400);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ===== INDEX GRIDS (glossary/facts) ===== */
.index-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}
.index-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
    display: block;
}
.index-card:hover {
    border-color: var(--forest-200);
    box-shadow: 0 4px 20px rgba(13, 31, 22, 0.06);
    transform: translateY(-1px);
}
.index-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}
.index-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.index-card .brg-type-tag { margin-top: var(--space-sm); margin-bottom: 0; }
.alpha-nav {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-bottom: var(--space-xl);
}
.alpha-nav a {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s;
}
.alpha-nav a:hover { background: var(--forest-50); color: var(--forest-600); }
.alpha-nav a.active { background: var(--forest-700); color: var(--text-on-dark); }
.alpha-nav a.disabled { color: var(--cream-300); pointer-events: none; }

/* ===== BUDGET TABLE ===== */
.budget-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-xl);
}
.budget-header {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.budget-header h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
}
.sifo-badge {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--amber-600);
    background: var(--amber-200);
    padding: 3px 10px;
    border-radius: var(--radius-sm);
}
.budget-table {
    width: 100%;
    border-collapse: collapse;
}
.budget-table th {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--cream-50);
}
.budget-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.88rem;
}
.budget-table tr:last-child td { border-bottom: none; }
.budget-category { font-weight: 500; }
.budget-sifo-val { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-muted); }
.budget-input {
    width: 100px;
    padding: 4px 8px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    text-align: right;
    transition: all 0.2s;
    color: var(--text-primary);
}
.budget-input:hover { border-color: var(--border); }
.budget-input:focus {
    border-color: var(--forest-400);
    background: var(--bg-surface);
    outline: none;
    box-shadow: 0 0 0 2px rgba(45, 106, 68, 0.08);
}
.budget-input.modified { color: var(--forest-700); font-weight: 600; }
.budget-diff { font-size: 0.75rem; margin-left: var(--space-sm); }
.budget-diff.over { color: var(--fail-red); }
.budget-diff.under { color: var(--ok-green); }
.budget-table .total-row td {
    font-weight: 600;
    background: var(--forest-50);
    border-top: 2px solid var(--forest-200);
    font-family: var(--font-display);
}

/* ===== BUDGET STATUS CARD ===== */
.budget-status {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}
.budget-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}
.budget-stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--forest-700);
}
.budget-stat-value small {
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--text-secondary);
}
.budget-stat-value.negative { color: var(--fail-red); }

/* ===== HERO (landing page only) ===== */
.hero {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}
.hero-content h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--forest-800);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}
.hero-content h1 em { font-style: italic; color: var(--forest-500); font-weight: 600; }
.hero-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}
.hero-actions { display: flex; gap: var(--space-md); }
.hero-visual { position: relative; height: 420px; }
.hero-card {
    position: absolute;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: 0 2px 30px rgba(13, 31, 22, 0.06);
    animation: float 6s ease-in-out infinite;
}
.hero-card:nth-child(1) { top: 10px; left: 40px; width: 320px; animation-delay: 0s; }
.hero-card:nth-child(2) { top: 120px; left: 160px; width: 280px; animation-delay: -2s; }
.hero-card:nth-child(3) { top: 250px; left: 60px; width: 300px; animation-delay: -4s; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.hero-card-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}
.hero-card-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--forest-700);
}
.hero-card-value small { font-size: 0.9rem; font-weight: 400; color: var(--text-secondary); }
.hero-card-bar { margin-top: var(--space-md); height: 6px; background: var(--cream-200); border-radius: 3px; overflow: hidden; }
.hero-card-bar-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--forest-500), var(--forest-300)); }

/* ===== CTA CARD ===== */
.cta-card {
    background: var(--forest-800);
    border-radius: var(--radius-xl);
    padding: var(--space-3xl);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-top: var(--space-xl);
}
.cta-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -20%;
    width: 140%; height: 200%;
    background: radial-gradient(ellipse at center, rgba(196, 154, 60, 0.08) 0%, transparent 60%);
    pointer-events: none;
}
.cta-card h2 {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 800;
    color: var(--cream-100);
    margin-bottom: var(--space-md);
    position: relative;
}
.cta-card h2 em { font-style: italic; color: var(--amber-400); }
.cta-card p {
    font-size: 1.1rem;
    color: var(--forest-200);
    max-width: 520px;
    margin: 0 auto var(--space-xl);
    position: relative;
}
.cta-card .btn-primary {
    background: var(--amber-500);
    color: var(--forest-900);
    font-weight: 600;
    position: relative;
}
.cta-card .btn-primary:hover { background: var(--amber-400); box-shadow: 0 4px 30px rgba(196, 154, 60, 0.3); }

/* ===== FOOTER ===== */
.site-footer {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-left { font-size: 0.82rem; color: var(--text-muted); }
.footer-links { display: flex; gap: var(--space-lg); }
.footer-links a { font-size: 0.82rem; color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--text-secondary); }

/* ===== SECTION HEADER UTIL ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
}
.section-header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
}

/* ===== FACT DETAIL ===== */
.fact-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-2xl) var(--space-xl);
    background: var(--cream-50);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}
.fact-entity {
    background: var(--bg-surface);
    border: 2px solid var(--forest-300);
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--forest-700);
    text-decoration: none;
    transition: all 0.2s;
}
.fact-entity:hover { border-color: var(--forest-500); background: var(--forest-50); }
.fact-relationship {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}
.fact-rel-arrow {
    font-size: 1.5rem;
    color: var(--amber-500);
    line-height: 1;
}
.fact-rel-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ===== VIEW TOGGLE (Calculator / Rules) ===== */
.view-toggle {
    display: flex;
    gap: 2px;
    background: var(--forest-700);
    border-radius: var(--radius-md);
    padding: 3px;
}
.view-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: calc(var(--radius-md) - 2px);
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    background: transparent;
    color: var(--forest-200);
    font-family: var(--font-body);
}
.view-toggle-btn:hover {
    color: var(--cream-100);
    background: rgba(255, 255, 255, 0.08);
}
.view-toggle-btn.active {
    background: var(--bg-surface);
    color: var(--forest-800);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}
.view-toggle-btn .toggle-icon {
    font-size: 1rem;
    line-height: 1;
}

/* View panels — only active one visible */
.view-panel { display: none; }
.view-panel.active { display: block; }

/* ===== BLOCKLY PLACEHOLDER ===== */
.blockly-placeholder {
    background: var(--forest-900);
    border: 1px solid var(--forest-600);
    border-radius: var(--radius-lg);
    min-height: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.blockly-placeholder::before {
    content: '';
    position: absolute;
    inset: 0;
    /* Grid pattern to suggest Blockly workspace */
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 24px 24px;
}
.blockly-header {
    position: relative;
    z-index: 1;
    text-align: center;
    margin-bottom: var(--space-xl);
}
.blockly-header h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--cream-200);
    margin-bottom: var(--space-xs);
}
.blockly-header p {
    font-size: 0.88rem;
    color: var(--forest-300);
}
/* Mock Blockly blocks */
.blockly-mock {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--space-lg);
}
.blockly-block {
    display: flex;
    align-items: stretch;
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}
.blockly-block-notch {
    width: 6px;
    flex-shrink: 0;
}
.blockly-block-body {
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
}
/* Block color categories */
.blockly-block.term .blockly-block-notch { background: var(--forest-400); }
.blockly-block.term .blockly-block-body { background: var(--forest-700); color: var(--forest-100); }

.blockly-block.derivation .blockly-block-notch { background: #7b8abf; }
.blockly-block.derivation .blockly-block-body { background: #3a4470; color: #c8cee8; }

.blockly-block.constraint .blockly-block-notch { background: var(--fail-red); }
.blockly-block.constraint .blockly-block-body { background: #5a2a24; color: #e8b0a8; }

.blockly-block.fact .blockly-block-notch { background: var(--amber-500); }
.blockly-block.fact .blockly-block-body { background: #4a3a1a; color: var(--amber-200); }

.blockly-block .block-label {
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    opacity: 0.6;
    min-width: 70px;
}
.blockly-block .block-value {
    font-weight: 500;
}
.blockly-block .block-input {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 2px 8px;
    color: inherit;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}
/* Nesting indent */
.blockly-nest {
    padding-left: 28px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    position: relative;
}
.blockly-nest::before {
    content: '';
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 1px;
}

/* ===== COOKIE CONSENT BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    padding: var(--space-xl);
    display: none; /* shown via JS */
}
.cookie-banner-inner {
    max-width: 900px;
    margin: 0 auto;
}
.cookie-banner h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}
.cookie-banner p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
}
.cookie-categories {
    margin-bottom: var(--space-lg);
}
.cookie-category {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-subtle);
}
.cookie-category:last-child {
    border-bottom: none;
}
.cookie-category-toggle {
    flex-shrink: 0;
    margin-top: 2px;
}
.cookie-category-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--forest-500);
}
.cookie-category-info {
    flex: 1;
}
.cookie-category-name {
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 2px;
}
.cookie-category-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.cookie-category-always {
    font-size: 0.72rem;
    color: var(--forest-500);
    font-weight: 500;
}
.cookie-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}
.cookie-buttons .btn-primary,
.cookie-buttons .btn-secondary {
    font-size: 0.88rem;
    padding: var(--space-sm) var(--space-lg);
}
.cookie-privacy-link {
    margin-top: var(--space-md);
    font-size: 0.78rem;
}
.cookie-privacy-link a {
    color: var(--forest-500);
    text-decoration: none;
}
.cookie-privacy-link a:hover {
    text-decoration: underline;
}

/* ===== RESPONSIVE ===== */

/* --- Tablet: 768px – 1024px --- */
@media (max-width: 1024px) {
    /* Site header */
    .site-header {
        padding: var(--space-md) var(--space-lg);
    }
    .site-nav { gap: var(--space-md); }

    /* Hero */
    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        padding: var(--space-xl) var(--space-lg);
    }
    .hero-content h1 { font-size: 2.6rem; }
    .hero-visual { height: 320px; }

    /* Tools grid */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Scenario grid */
    .scenario-grid {
        grid-template-columns: 1fr;
    }

    /* Two-column layout */
    .two-col-layout {
        grid-template-columns: 1fr 280px;
    }

    /* Index grid */
    .index-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Budget status */
    .budget-status {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Content padding */
    .content {
        padding: 0 var(--space-lg) var(--space-2xl);
    }

    /* Page header */
    .page-header {
        padding: var(--space-lg) var(--space-lg) var(--space-md);
    }
    .page-header h1 { font-size: 2rem; }

    /* CTA card */
    .cta-card { padding: var(--space-2xl); }
    .cta-card h2 { font-size: 2rem; }

    /* Section header */
    .section-header { flex-wrap: wrap; gap: var(--space-md); }
}

/* --- Mobile: < 768px --- */
@media (max-width: 767px) {
    /* Site header — stack logo above nav */
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
        padding: var(--space-md);
    }
    .site-nav {
        width: 100%;
        gap: var(--space-sm);
        flex-wrap: wrap;
    }
    .site-nav a:not(.nav-cta) {
        font-size: 0.82rem;
    }
    .site-nav a.nav-cta {
        padding: var(--space-xs) var(--space-md);
        font-size: 0.85rem;
    }

    /* Hero — vertical stack */
    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
        padding: var(--space-xl) var(--space-md);
    }
    .hero-content h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    .hero-actions { flex-wrap: wrap; }
    .hero-visual { display: none; }

    /* Tools grid — single column */
    .tools-grid {
        grid-template-columns: 1fr;
    }
    .tool-card { padding: var(--space-lg); }

    /* Scenario grid — single column */
    .scenario-grid {
        grid-template-columns: 1fr;
    }

    /* Results grid — horizontal scroll */
    .results-comparison {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .results-grid {
        min-width: 500px;
    }

    /* Form rows — single column */
    .form-row {
        grid-template-columns: 1fr;
    }

    /* Two-column layout — stack sidebar below */
    .two-col-layout {
        grid-template-columns: 1fr;
    }
    .main-panel { padding: var(--space-lg); }
    .main-panel h1 { font-size: 1.8rem; }

    /* Index grid — single column */
    .index-grid {
        grid-template-columns: 1fr;
    }

    /* Budget status — single column */
    .budget-status {
        grid-template-columns: 1fr;
        padding: var(--space-lg);
    }

    /* Budget table — horizontal scroll */
    .budget-panel {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .budget-table {
        min-width: 480px;
    }

    /* Alpha nav */
    .alpha-nav a {
        width: 28px;
        height: 28px;
        font-size: 0.72rem;
    }

    /* Section header — stack vertically */
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    .section-header h2 { font-size: 1.4rem; }

    /* Stress badge — stack */
    .stress-badge {
        flex-direction: column;
        text-align: center;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }
    .stress-badge-icon {
        width: 64px;
        height: 64px;
        font-size: 1.6rem;
    }

    /* CTA card */
    .cta-card {
        padding: var(--space-xl);
        border-radius: var(--radius-lg);
    }
    .cta-card h2 { font-size: 1.6rem; }
    .cta-card p { font-size: 0.95rem; }

    /* View toggle */
    .view-toggle {
        flex-wrap: wrap;
    }
    .view-toggle-btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.8rem;
    }

    /* Blockly placeholder */
    .blockly-placeholder {
        min-height: 300px;
        overflow-x: auto;
    }

    /* Page header */
    .page-header {
        padding: var(--space-lg) var(--space-md) var(--space-md);
    }
    .page-header h1 { font-size: 1.6rem; }

    /* Content wrapper */
    .content {
        padding: 0 var(--space-md) var(--space-2xl);
    }

    /* Warning banner */
    .warning-banner { padding: 0 var(--space-md); }

    /* Footer — stack */
    .site-footer {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
        padding: var(--space-xl) var(--space-md);
    }
    .footer-links { gap: var(--space-md); }

    /* Cookie banner — tighter on mobile */
    .cookie-banner {
        padding: var(--space-lg) var(--space-md);
    }
    .cookie-buttons {
        flex-direction: column;
    }
    .cookie-buttons .btn-primary,
    .cookie-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    /* Fact diagram */
    .fact-diagram {
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
    }

    /* Scenario tabs — allow wrap */
    .scenario-tabs { flex-wrap: wrap; }

    /* Buttons — full width on small screens */
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }

    /* Derivation nodes */
    .deriv-node { padding-left: var(--space-lg); }
    .deriv-node::before { left: 4px; }
    .deriv-node-dot { left: 0; }
    .deriv-node.depth-1 { padding-left: calc(var(--space-lg) + var(--space-md)); }
    .deriv-node.depth-1::before { left: calc(4px + var(--space-md)); }
    .deriv-node.depth-1 .deriv-node-dot { left: var(--space-md); }
}

/* ===== ANIMATIONS ===== */
@keyframes fade-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fade-up 0.6s ease-out both; }
.fade-up-1 { animation-delay: 0.1s; }
.fade-up-2 { animation-delay: 0.2s; }
.fade-up-3 { animation-delay: 0.3s; }
.fade-up-4 { animation-delay: 0.4s; }

/* --- Stress test card --- */
.stress-test-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
}
.stress-test-card-header {
    padding: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: background 0.15s;
}
.stress-test-card-header:hover { background: var(--cream-50); }
.stress-test-card-body {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    background: var(--cream-50);
}
.stress-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.stress-badge-pill.stress-ok {
    background: #e6f4ea;
    color: var(--ok-green);
}
.stress-badge-pill.stress-tight {
    background: #fff4d6;
    color: #b8860b;
}
.stress-badge-pill.stress-critical {
    background: #fce8e6;
    color: var(--fail-red);
}
.stress-impact-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}
.stress-impact-stat {
    text-align: center;
}
.stress-impact-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-xs);
}
.stress-impact-value {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--forest-700);
}
.stress-impact-value.negative { color: var(--fail-red); }

.stress-report-table {
    width: 100%;
    border-collapse: collapse;
}
.stress-report-table th {
    text-align: left;
    padding: var(--space-md) var(--space-lg);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--cream-50);
}
.stress-report-table td {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
}
.stress-report-table tr.row-highlight td {
    background: var(--forest-50);
    font-weight: 600;
}
.stress-report-table .scenario-disabled {
    color: var(--text-muted);
    font-style: italic;
}
.stress-rec-box {
    padding: var(--space-md) var(--space-lg);
    border-radius: 8px;
    margin-bottom: var(--space-md);
    border-left: 4px solid var(--border-subtle);
}
.stress-rec-box.stress-ok {
    background: var(--forest-50);
    border-left-color: var(--forest-700);
}
.stress-rec-box.stress-critical {
    background: #fdecea;
    border-left-color: var(--fail-red);
}
.stress-rec-list {
    margin: var(--space-md) 0;
    padding-left: var(--space-xl);
}
.stress-rec-list li {
    margin-bottom: var(--space-sm);
}