@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #ffffff;
  --bg-surface: #f6f6f5;
  --bg-dark: #1a1a1a;
  --bg-card: #ffffff;
  --text: #1a1a1a;
  --text-secondary: #555555;
  --text-tertiary: #999999;
  --accent: #ffd930;
  --accent-hover: #f0c800;
  --accent-subtle: #fffbe6;
  --accent-muted: #f5edc8;
  --focus: #4d65ff;
  --border: #e4e4e3;
  --border-hover: #ccc;
  --green: #1a8c3a;
  --green-bg: #edf7f0;
  --red: #c0392b;
  --red-bg: #fdf0ee;
  --weird: #7c3aed;
  --weird-bg: #f0ebff;
  --weird-border: #c4b5fd;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
  --radius: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============================================================
   Nav
   ============================================================ */
.site-nav {
  background: var(--bg-dark);
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo svg { display: block; }
.nav-logo svg path { fill: #ffffff; }
.nav-cta {
  padding: 7px 16px;
  background: var(--accent);
  color: var(--bg-dark);
  border-radius: 5px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent-hover); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  padding: 56px 0 48px;
  background: var(--bg-dark);
  color: #fff;
}
.hero-eyebrow {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  color: #ffffff;
  max-width: 680px;
}
.subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.6);
  max-width: 600px;
  line-height: 1.65;
}

/* ============================================================
   Toggle Groups
   ============================================================ */
.toggle-group {
  padding: 20px 0;
  border-top: 1px solid var(--border);
}
.toggle-group:first-of-type {
  border-top: none;
  padding-top: 32px;
}
.toggle-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 10px;
}
.toggle-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.toggle-btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}
.toggle-btn:hover {
  border-color: var(--border-hover);
  color: var(--text);
  background: var(--bg-surface);
}
.toggle-btn.active {
  background: var(--bg-dark);
  color: #fff;
  border-color: var(--bg-dark);
}
.toggle-description {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-tertiary);
  font-style: normal;
}

/* ============================================================
   Results
   ============================================================ */
#results-container {
  padding: 40px 0 80px;
  border-top: 1px solid var(--border);
}
#results-header {
  margin-bottom: 24px;
}
.results-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 3px;
  letter-spacing: -0.01em;
}
.results-subtitle {
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

/* ============================================================
   Metric Row
   ============================================================ */
.metric-row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  margin-bottom: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}
.metric-row:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--accent);
  transform: translateY(-1px);
}
.metric-rank {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-tertiary);
  min-width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-variant-numeric: tabular-nums;
  border-radius: 50%;
  background: var(--bg-surface);
  flex-shrink: 0;
}
.metric-info {
  flex: 1;
  min-width: 0;
}
.metric-name {
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
  color: var(--text);
}
.metric-rule {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}
.metric-stat {
  text-align: right;
  min-width: 88px;
  flex-shrink: 0;
}
.metric-pct {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
}
.metric-detail {
  font-size: 0.72rem;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}
.metric-bar-container {
  width: 72px;
  height: 4px;
  background: var(--bg-surface);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}
.metric-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}

/* Direction badge */
.direction-badge {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
  margin-left: 6px;
}
.direction-badge--more { background: var(--green-bg); color: var(--green); }
.direction-badge--fewer { background: var(--red-bg); color: var(--red); }

/* ============================================================
   Weird Mode
   ============================================================ */
.toggle-btn.weird-btn {
  border-color: var(--weird-border);
  color: var(--weird);
  background: var(--bg);
}
.toggle-btn.weird-btn:hover {
  background: var(--weird-bg);
  border-color: var(--weird);
}
.toggle-btn.weird-btn.active {
  background: var(--weird);
  color: white;
  border-color: var(--weird);
}
.weird-mode-note {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--weird);
  display: none;
}
.weird-mode-note.visible { display: block; }

/* Unavailable */
.unavailable {
  padding: 48px;
  text-align: center;
  color: var(--text-tertiary);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.unavailable p { margin-bottom: 8px; font-size: 0.95rem; }
.unavailable p:last-child { margin-bottom: 0; }

/* ============================================================
   Bracket Builder Strip
   ============================================================ */
.bracket-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--bg-dark);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
}
.bracket-strip-meta {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}
.bracket-strip-meta strong { color: #ffffff; }
.btn-bracket-strip {
  padding: 9px 18px;
  background: var(--accent);
  color: var(--bg-dark);
  border: none;
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s;
  flex-shrink: 0;
}
.btn-bracket-strip:hover { background: var(--accent-hover); }

/* ============================================================
   About Enigma
   ============================================================ */
.about-enigma {
  background: var(--bg-dark);
  color: #fff;
  padding: 64px 0;
}
.about-enigma h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.about-enigma p {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
  max-width: 640px;
}
.about-enigma a:not(.about-cta) {
  color: var(--accent);
  text-decoration: none;
}
.about-enigma a:not(.about-cta):hover { text-decoration: underline; }
.about-cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 28px;
  background: var(--accent);
  color: var(--bg-dark);
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s;
}
.about-cta:hover { background: var(--accent-hover); }

/* ============================================================
   Footer
   ============================================================ */
footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 40px;
  background: var(--bg-surface);
}
.methodology { margin-bottom: 36px; }
.methodology h3 {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 14px;
}
.methodology p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.7;
}
.footer-credit {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.footer-credit a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
}
.footer-credit a:hover { color: var(--text); }

/* ============================================================
   Detail Drawer
   ============================================================ */
.drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
}
.drawer.open { pointer-events: all; }
.drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  transition: opacity 0.25s ease;
  backdrop-filter: blur(4px);
}
.drawer.open .drawer-backdrop { opacity: 1; }

.drawer-panel {
  position: absolute;
  background: var(--bg-surface);
  overflow-y: auto;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
@media (min-width: 769px) {
  .drawer-panel {
    top: 0; right: 0; bottom: 0;
    width: 500px;
    transform: translateX(100%);
    box-shadow: -8px 0 48px rgba(0,0,0,0.15);
  }
}
@media (max-width: 768px) {
  .drawer-panel {
    left: 0; right: 0; bottom: 0;
    height: 90vh;
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
    box-shadow: 0 -8px 48px rgba(0,0,0,0.15);
  }
}
.drawer.open .drawer-panel { transform: translate(0); }

.drawer-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 24px 24px 20px;
  position: sticky;
  top: 0;
  background: var(--bg-dark);
  color: #fff;
  z-index: 1;
}
.drawer-close {
  background: none;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  color: rgba(255,255,255,0.5);
  padding: 6px;
  line-height: 1;
  flex-shrink: 0;
  border-radius: 6px;
  transition: all 0.15s;
  order: -1;
}
.drawer-close:hover {
  color: #fff;
  background: rgba(255,255,255,0.1);
}
.drawer-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.015em;
  color: #fff;
}
.drawer-subtitle {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.5;
}

#drawer-bracket-cta {
  padding: 14px 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.btn-bracket {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-dark);
  color: var(--accent);
  border: none;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}
.btn-bracket:hover { background: #333; }

#drawer-games { padding: 16px 20px 40px; }

.drawer-game {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 8px;
  overflow: hidden;
  border-left: 4px solid var(--border);
}
.drawer-game.correct { border-left-color: var(--green); }
.drawer-game.incorrect { border-left-color: var(--red); }

.drawer-game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px 0;
}
.drawer-game-round {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  font-weight: 600;
}
.drawer-game-result {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
}
.drawer-game-result.correct { color: var(--green); background: var(--green-bg); }
.drawer-game-result.incorrect { color: var(--red); background: var(--red-bg); }
.drawer-game-result.unknown { color: var(--text-tertiary); }

.drawer-matchup {
  display: flex;
  flex-direction: column;
  padding: 8px 16px 14px;
}
.drawer-team {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 5px 0;
}
.drawer-team-identity {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.drawer-team-name {
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}
.drawer-team.winner .drawer-team-name {
  font-weight: 700;
  font-size: 1.02rem;
}
.drawer-team.loser {
  opacity: 1;
}
.drawer-team.loser .drawer-team-name {
  color: var(--text-tertiary);
}
.drawer-team-geo {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  margin-top: 1px;
}
.drawer-team-val {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.drawer-team.loser .drawer-team-val {
  color: var(--text-tertiary);
  font-weight: 500;
  font-size: 0.95rem;
}
.drawer-vs {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--border);
  padding: 1px 0 1px 2px;
  line-height: 1;
}

/* ============================================================
   Bracket Overlay
   ============================================================ */
.bracket-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-surface);
  z-index: 200;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.bracket-overlay.open { transform: translateY(0); }

.bracket-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 32px 20px;
  position: sticky;
  top: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  z-index: 1;
}
.bracket-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 6px;
  line-height: 1;
  flex-shrink: 0;
  border-radius: 6px;
  transition: all 0.15s;
  order: -1;
}
.bracket-close:hover {
  color: var(--text);
  background: var(--bg-surface);
}
.bracket-eyebrow {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-bottom: 4px;
}
.bracket-title-metric {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.bracket-champion-banner {
  background: var(--bg-dark);
  color: #fff;
  text-align: center;
  padding: 36px 32px;
  max-width: 880px;
  margin: 0 auto;
}
.bracket-champion-banner > div:first-child {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.bracket-champion-name {
  font-size: 2.25rem;
  font-weight: 800;
  margin-top: 8px;
  letter-spacing: -0.03em;
}
.bracket-champion-name::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 12px auto 0;
}
.bracket-champion-detail {
  color: rgba(255,255,255,0.45);
  font-size: 0.85rem;
  margin-top: 12px;
}

.bracket-round-nav {
  display: flex;
  gap: 6px;
  padding: 14px 32px;
  overflow-x: auto;
  border-bottom: 1px solid var(--border);
  scrollbar-width: none;
  background: var(--bg);
  max-width: 880px;
  margin: 0 auto;
}
.bracket-round-nav::-webkit-scrollbar { display: none; }
.round-tab {
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--bg);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  color: var(--text-secondary);
}
.round-tab:hover { border-color: var(--border-hover); color: var(--text); }
.round-tab.active {
  background: var(--bg-dark);
  color: #fff;
  border-color: var(--bg-dark);
}

.bracket-content {
  padding: 24px 32px 64px;
  max-width: 880px;
  margin: 0 auto;
}
.bracket-region-heading {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  font-weight: 600;
  margin: 32px 0 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
}
.bracket-region-heading:first-child { margin-top: 0; }

.bracket-game {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 12px;
  overflow: hidden;
}
.bracket-game-teams {
  display: flex;
  flex-direction: column;
}
.bracket-team {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  padding: 10px 16px;
  transition: background 0.15s;
}
.bracket-team.winner {
  font-weight: 700;
  background: var(--accent-subtle);
  border-left: 3px solid var(--accent);
}
.bracket-team.loser {
  opacity: 1;
  border-left: 3px solid transparent;
}
.bracket-team.loser .bracket-team-name { color: var(--text-tertiary); }
.bracket-team.unpredictable {
  border-left: 3px solid transparent;
}
.bracket-team.unpredictable .bracket-team-name { color: var(--text-tertiary); }
.bracket-team-seed {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  min-width: 20px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.bracket-team.winner .bracket-team-seed { color: var(--text-secondary); }
.bracket-team-name { flex: 1; }
.bracket-team-geo { font-size: 0.72rem; color: var(--text-tertiary); }
.bracket-team-val {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}
.bracket-team.winner .bracket-team-val {
  color: var(--text);
  font-weight: 800;
  font-size: 1rem;
}
.bracket-team.loser .bracket-team-val { color: var(--text-tertiary); font-weight: 400; }
.bracket-team.unpredictable .bracket-team-val { color: var(--text-tertiary); font-style: italic; }
.bracket-game-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .hero { padding: 40px 0 32px; }
  .container { padding: 0 20px; }
  .metric-row { flex-wrap: wrap; gap: 10px; padding: 16px 16px; }
  .metric-pct { font-size: 1.4rem; }
  .metric-bar-container { display: none; }
  .bracket-strip { flex-direction: column; align-items: stretch; gap: 12px; }
  .bracket-strip-meta { font-size: 0.82rem; }
  .bracket-team-geo { display: none; }
  .nav-cta { font-size: 0.75rem; padding: 6px 12px; }
  .about-enigma { padding: 40px 0; }
  .about-enigma h2 { font-size: 1.25rem; }
  .drawer-header { padding: 20px 20px 16px; }
  .drawer-title { font-size: 1.1rem; }
}