/* ===== DOME COSMOLOGICAL MODEL — GITHUB PAGES ===== */
/* Blue/White Anti-Vibecode theme — premium typography & depth */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* ===== COLOR SYSTEM ===== */
  --bg-primary: #f8faff;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f5ff;
  --bg-nav: rgba(255, 255, 255, 0.85);
  --bg-code: #f1f5f9;
  --bg-section-a: linear-gradient(
    180deg,
    #f8faff 0%,
    rgba(224, 237, 255, 0.3) 50%,
    #f8faff 100%
  );
  --bg-section-b: linear-gradient(
    180deg,
    #f8faff 0%,
    rgba(238, 230, 255, 0.2) 50%,
    #f8faff 100%
  );

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-heading: #0f172a;

  --accent-blue: #2563eb;
  --accent-blue-light: #3b82f6;
  --accent-blue-dim: #1d4ed8;
  --accent-sky: #0ea5e9;
  --accent-violet: #7c3aed;
  --accent-gold: #d97706;
  --accent-gold-light: #f59e0b;
  --accent-green: #16a34a;
  --accent-red: #dc2626;
  --accent-red-light: #ef4444;

  --border-light: rgba(148, 163, 184, 0.25);
  --border-medium: rgba(148, 163, 184, 0.4);
  --border-blue: rgba(37, 99, 235, 0.2);

  --shadow-card:
    0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-card-hover:
    0 4px 16px rgba(15, 23, 42, 0.08), 0 8px 24px rgba(37, 99, 235, 0.08);
  --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.06);

  --font-heading: "Playfair Display", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

/* ===== RESET ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  max-width: 960px;
  margin: 0 auto;
  padding: 0 32px 80px;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 15px;
  font-weight: 400;
}

/* ===== NAV — Frosted Glass ===== */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 14px 0;
  margin: 0 -32px 48px;
  padding-left: 32px;
  padding-right: 32px;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-nav);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.88em;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 6px 0;
  transition: color 0.25s ease;
  position: relative;
}
nav a:hover {
  color: var(--accent-blue);
}
nav a.active {
  color: var(--accent-blue);
}
nav a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-sky));
  border-radius: 1px;
}

nav .nav-badge {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-sky));
  color: #fff;
  font-size: 0.68em;
  padding: 2px 7px;
  border-radius: 10px;
  margin-left: 4px;
  font-weight: 600;
  vertical-align: middle;
  letter-spacing: 0;
}

/* ===== HEADINGS — Playfair Display ===== */
h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 8px;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.15rem, 2.5vw, 1.4rem);
  font-weight: 600;
  color: var(--text-heading);
  margin: 48px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
  letter-spacing: -0.015em;
}

h3 {
  font-size: 0.95em;
  font-weight: 600;
  color: var(--accent-blue-dim);
  margin-bottom: 8px;
  font-family: var(--font-body);
  letter-spacing: -0.01em;
}

/* ===== TEXT ===== */
p {
  margin-bottom: 14px;
  color: var(--text-secondary);
}
p.subtitle {
  color: var(--text-tertiary);
  font-size: 0.92em;
  margin-bottom: 32px;
  font-weight: 400;
}
p.note {
  color: var(--text-tertiary);
  font-size: 0.85em;
  font-style: italic;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent-blue-dim);
}

strong {
  color: var(--text-heading);
  font-weight: 600;
}

/* ===== CODE / PRE ===== */
pre,
code {
  font-family: var(--font-mono);
}

code {
  background: var(--bg-code);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
  color: var(--accent-blue-dim);
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border-light);
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 0.84em;
  line-height: 1.6;
  margin: 14px 0 22px;
  color: var(--text-primary);
  border-radius: var(--radius-md);
}
pre code {
  background: none;
  padding: 0;
}

/* ===== TABLES ===== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 30px;
  font-size: 0.85em;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

th {
  background: linear-gradient(135deg, #eff6ff, #f0f5ff);
  color: var(--accent-blue-dim);
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.82em;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-medium);
}

td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}
tr:hover td {
  background: #f8faff;
}

/* ===== SCORECARD ===== */
.scorecard {
  display: flex;
  gap: 14px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.score-box {
  flex: 1;
  min-width: 130px;
  text-align: center;
  padding: 26px 14px;
  border: 1px solid var(--border-light);
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.score-box:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.score-number {
  font-family: var(--font-heading);
  font-size: 3em;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}

.score-label {
  font-size: 0.72em;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.score-box.confirmed .score-number {
  color: var(--accent-blue);
}
.score-box.falsified .score-number {
  color: var(--accent-red);
}
.score-box.pending .score-number {
  color: var(--text-tertiary);
}
.score-box.below .score-number {
  color: #94a3b8;
}

/* ===== WIN CARDS ===== */
.win {
  border-left: 3px solid var(--accent-blue);
  padding: 18px 22px;
  margin: 20px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.win:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-1px);
}
.win.below-detection {
  border-left-color: #cbd5e1;
}
.win h3 {
  margin-bottom: 10px;
}

/* ===== BADGES ===== */
.badge {
  display: inline-block;
  font-size: 0.68em;
  padding: 3px 10px;
  border-radius: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
  vertical-align: middle;
  margin-left: 8px;
  font-family: var(--font-body);
}
.badge.confirmed {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-sky));
  color: #fff;
}
.badge.pending {
  background: #f1f5f9;
  color: #64748b;
}
.badge.suspended {
  background: #f1f5f9;
  color: #94a3b8;
}
.badge.current {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-sky));
  color: #fff;
}
.badge.superseded {
  background: #f1f5f9;
  color: #94a3b8;
}

/* ===== PREDICTION CARDS ===== */
.prediction {
  border-left: 3px solid var(--accent-sky);
  padding: 18px 22px;
  margin: 20px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-card);
}
.prediction.suspended {
  border-left-color: #e2e8f0;
  opacity: 0.6;
}

/* ===== OPEN PROBLEM CARDS ===== */
.open-problem {
  border-left: 3px solid var(--accent-violet);
  padding: 18px 22px;
  margin: 20px 0;
  background: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-card);
}

/* ===== ELLIPSE INSET ===== */
.ellipse-inset {
  background: linear-gradient(135deg, #eff6ff, #f5f3ff);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin: 12px 0;
  font-size: 0.9em;
  color: var(--text-secondary);
}
.ellipse-inset::before {
  content: "ELLIPSE CONNECTION";
  display: block;
  color: var(--accent-blue);
  font-size: 0.7em;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

/* ===== PROOF BOX ===== */
.proof-box {
  border: 1px solid var(--border-blue);
  padding: 22px 26px;
  margin: 28px 0;
  background: linear-gradient(135deg, #eff6ff, #f0f5ff);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.06);
}

/* ===== PARAM BOX ===== */
.param-box {
  border: 1px solid var(--border-light);
  padding: 20px 24px;
  margin: 24px 0;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

/* ===== LISTS ===== */
ul,
ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
li {
  margin-bottom: 6px;
  color: var(--text-secondary);
}

/* ===== FOOTER ===== */
footer {
  margin-top: 72px;
  padding: 22px 0;
  border-top: 1px solid var(--border-light);
  color: var(--text-tertiary);
  font-size: 0.82em;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
}
footer a {
  color: var(--accent-blue-light);
  font-weight: 500;
}

/* ===== TIMELINE ===== */
.timeline-item {
  border-left: 2px solid var(--border-light);
  padding: 14px 0 14px 22px;
  margin-left: 12px;
  position: relative;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
  border: 2px solid var(--bg-primary);
}
.timeline-item.current::before {
  background: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

/* ===== CONTEXT PAGE OVERRIDES ===== */
.context-section {
  margin: 24px 0;
  padding: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}
.context-section h2 {
  margin-top: 0;
  border: none;
  padding: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  body {
    padding: 0 18px 48px;
    font-size: 14px;
  }
  nav {
    margin: 0 -18px 36px;
    padding-left: 18px;
    padding-right: 18px;
  }
  .scorecard {
    flex-direction: column;
  }
  nav {
    gap: 4px 16px;
  }
  table {
    font-size: 0.8em;
  }
  h1 {
    font-size: 1.8em;
  }
  .win,
  .prediction,
  .open-problem {
    padding: 14px 16px;
  }
}