/*
 * Journey to March - Application Styles
 * Design tokens + component styles ported from the static site.
 * Works alongside Tailwind for utility classes.
 */

/* DRatings logo */
.dratings-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.dratings-logo {
  height: 11px;
  width: auto;
  vertical-align: middle;
  transition: opacity 180ms ease;
}

.dratings-logo-link:hover .dratings-logo {
  opacity: 0.75;
}

[data-theme="light"] .dratings-logo {
  filter: brightness(0.35);
}

/* Odds attribution (GameDayMath) */
.odds-attribution {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3, 12px);
  padding: var(--space-4, 16px);
}

.odds-attribution-text {
  font-family: var(--font-display, 'Oswald', sans-serif);
  font-size: var(--text-xs, 11px);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted, #999);
}

.odds-attribution-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: opacity 180ms ease;
}

.odds-attribution-link:hover {
  opacity: 0.8;
}

.gamedaymath-logo {
  height: 20px;
  width: auto;
}

[data-theme="light"] .gamedaymath-logo {
  filter: brightness(0.2);
}


/* ============================================================
   RESET
   ============================================================ */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body, sans-serif);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
}

button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ============================================================
   DESIGN TOKENS (DRatings palette)
   ============================================================ */

:root, [data-theme="light"] {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.3vw, 0.9375rem);
  --text-base: clamp(0.875rem, 0.82rem + 0.4vw, 1rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem;

  --color-bg: #f2f2f2; --color-surface: #ffffff; --color-surface-2: #f8f8f8;
  --color-surface-offset: #eeeeee; --color-surface-offset-2: #e4e4e4;
  --color-surface-dynamic: #d8d8d8; --color-divider: #dddddd; --color-border: #bbbbbb;

  --color-text: #282727; --color-text-muted: #5a5a5a;
  --color-text-faint: #999999; --color-text-inverse: #ffffff;

  --color-primary: #F78C40; --color-primary-hover: #E16309;
  --color-primary-active: #C55708; --color-primary-highlight: #FFF3E8;

  --color-dark: #282727; --color-dark-deep: #111111;
  --color-success: #2d7a4e; --color-warning: #E16309; --color-error: #c0392b;

  --color-prob-high: #22c55e; --color-prob-mid: #f59e0b; --color-prob-low: #ef4444;

  --radius-sm: 0.25rem; --radius-md: 0.375rem; --radius-lg: 0.5rem;
  --radius-xl: 0.5rem; --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.16);

  --content-narrow: 640px; --content-default: 960px;
  --content-wide: 1400px; --content-full: 100%;

  --font-display: 'Oswald', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'Consolas', monospace;
}

[data-theme="dark"] {
  --color-bg: #1a1a1a; --color-surface: #282727; --color-surface-2: #333232;
  --color-surface-offset: #2e2d2d; --color-surface-offset-2: #3a3939;
  --color-surface-dynamic: #444343; --color-divider: #3d3d3d; --color-border: #5a5a5a;

  --color-text: #ffffff; --color-text-muted: #bbbbbb;
  --color-text-faint: #999999; --color-text-inverse: #282727;

  --color-primary: #F78C40; --color-primary-hover: #FFA562;
  --color-primary-active: #FFB87A; --color-primary-highlight: #3d2a14;

  --color-success: #4ade80; --color-warning: #FFA562; --color-error: #f87171;
  --color-prob-high: #4ade80; --color-prob-mid: #fbbf24; --color-prob-low: #f87171;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.35);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.50);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.65);
}

/* ============================================================
   HEADER
   ============================================================ */

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  border-top: 4px solid #E16309;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: var(--content-wide); margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: var(--space-6);
}

.header-brand { display: flex; align-items: center; gap: var(--space-3); }
.brand-logo-link { text-decoration: none; display: block; line-height: 0; transition: opacity 180ms ease; }
.brand-logo-link:hover { opacity: 0.85; }
.brand-name-link { text-decoration: none; color: inherit; }
.brand-name-link:hover .brand-name { color: var(--color-primary-hover); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--color-primary); letter-spacing: 0.02em; text-transform: uppercase; }
.brand-sub { font-size: var(--text-xs); color: var(--color-text-muted); display: flex; align-items: center; gap: 4px; margin-top: 2px; }

.header-center { text-align: center; }
.header-title { display: flex; flex-direction: column; align-items: center; }
.header-title-conf { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-primary); }
.header-title-event { font-family: var(--font-display); font-size: clamp(1rem, 1.5vw, 1.375rem); font-weight: 700; color: var(--color-text); letter-spacing: 0.02em; text-transform: uppercase; }
.header-meta { font-size: var(--text-xs); color: var(--color-text-muted); display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin-top: var(--space-1); flex-wrap: wrap; }
.meta-sep { color: var(--color-text-faint); }
.sim-status { color: var(--color-primary); font-weight: 600; }
.sim-status.ready { color: var(--color-success); }

.header-actions { display: flex; align-items: center; gap: var(--space-2); grid-column: -1; justify-self: end; }
.btn-icon { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--text-xs); font-weight: 600; color: var(--color-text); cursor: pointer; transition: all var(--transition-interactive); min-height: 44px; }
.btn-icon:hover { background: var(--color-surface-dynamic); border-color: var(--color-primary); color: var(--color-primary); }

/* ============================================================
   SECTIONS
   ============================================================ */

main {
  max-width: var(--content-wide); margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-10);
}

.section-header { margin-bottom: var(--space-5); }
.section-heading { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.03em; }
.bracket-section, .ff-bracket-section, .stats-section, .prob-section, .bottom-panels, .odds-attribution { margin-top: var(--space-10, 40px); }
.section-sub { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }

/* ============================================================
   BRACKET
   ============================================================ */

.bracket-scroll-container {
  overflow-x: auto; overflow-y: visible; overscroll-behavior-x: contain;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-xl); padding: var(--space-6) var(--space-6) var(--space-8);
}
.bracket-scroll-container > svg { margin: 0 auto; }

/* Re-seeding divider between bracket phases */
.reseed-divider {
  text-align: center; padding: var(--space-4) 0; margin: var(--space-4) 0;
  border-top: 2px solid var(--color-accent, #e8863a); border-bottom: 2px solid var(--color-accent, #e8863a);
  font-size: var(--text-xs, 11px); font-weight: 700; letter-spacing: 0.06em;
  color: var(--color-accent, #e8863a); text-transform: uppercase;
}

.matchup-box { position: relative; }
.matchup-label { display: none; }
.matchup-divider { height: 4px; }

.bracket-slot {
  display: flex; align-items: center;
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  cursor: pointer; transition: all var(--transition-interactive);
  height: 30px; gap: 6px; padding: 0 8px; position: relative;
}
.bracket-slot:first-of-type { border-radius: var(--radius-sm) var(--radius-sm) 0 0; border-bottom: none; }
.bracket-slot:last-of-type { border-radius: 0 0 var(--radius-sm) var(--radius-sm); }
.matchup-divider + .bracket-slot { border-top: 1px solid var(--color-border); }
.bracket-slot:hover { border-color: var(--color-primary); background: var(--color-surface-dynamic); z-index: 5; }
.bracket-slot.winner { background: rgba(247,140,64,0.15); border-color: var(--color-primary); }
.bracket-slot.loser-proj { opacity: 0.55; }
.bracket-slot.loser-proj:hover { opacity: 1; }
.bracket-slot.slot-tbd { opacity: 0.4; cursor: default; }
.bracket-slot.overridden { border-color: var(--color-warning, #f59e0b); background: rgba(245,158,11,0.15); }
.bracket-slot.overridden .slot-name { color: var(--color-text); font-weight: 700; }
.bracket-slot.override-loser { opacity: 0.45; text-decoration: line-through; }
.bracket-slot.override-loser:hover { opacity: 0.8; text-decoration: none; }
.matchup-box.user-override { border-left: 3px solid var(--color-warning, #f59e0b); background: rgba(245,158,11,0.04); border-radius: var(--radius-md); }

.slot-seed { font-family: var(--font-body); font-size: 10px; font-weight: 700; color: var(--color-text-faint); min-width: 20px; font-variant-numeric: tabular-nums; }
.slot-name { font-family: var(--font-body); font-size: 11px; font-weight: 600; color: var(--color-text); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.slot-name-tbd { color: var(--color-text-faint); font-style: italic; font-weight: 400; }
.slot-prob { font-family: var(--font-mono); font-size: 10px; font-weight: 500; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }

.bracket-slot.winner .slot-seed { color: var(--color-primary); }
.bracket-slot.winner .slot-name { color: var(--color-text); font-weight: 700; }
.bracket-slot.winner .slot-prob { color: var(--color-primary); font-weight: 600; }

.bracket-slot.locked-winner { background: rgba(76,175,80,0.18); border-color: #4CAF50; cursor: default; }
.bracket-slot.locked-winner .slot-seed { color: #4CAF50; }
.bracket-slot.locked-winner .slot-name { color: var(--color-text); font-weight: 700; }
.bracket-slot.locked-winner .slot-prob { display: none; }
.bracket-slot.locked-loser { opacity: 0.35; cursor: default; text-decoration: line-through; }
.bracket-slot.locked-loser .slot-prob { display: none; }

.slot-score { font-family: var(--font-mono); font-size: 11px; font-weight: 600; margin-left: auto; font-variant-numeric: tabular-nums; }
.bracket-slot.locked-winner .slot-score { color: #4CAF50; }

.round-label { font-family: var(--font-display); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-primary); text-align: center; margin-bottom: 2px; }
.round-site-label { font-size: 8px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-faint); text-align: center; opacity: 0.7; }

.champion-display { animation: champShine 2.5s ease-in-out infinite; }
@keyframes champShine { 0%,100% { box-shadow: 0 0 8px rgba(247,140,64,0.30); } 50% { box-shadow: 0 0 20px rgba(247,140,64,0.60); } }

/* ============================================================
   STATS GRID
   ============================================================ */

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); }
.stat-card { background: var(--color-surface); border: 1px solid var(--color-border); border-top: 3px solid var(--color-primary); border-radius: var(--radius-xl); padding: var(--space-5) var(--space-6); display: flex; flex-direction: column; gap: var(--space-1); transition: all var(--transition-interactive); }
.stat-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); }
.stat-label { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); }
.stat-value { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-primary); line-height: 1.1; }
.stat-sub { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ============================================================
   PROBABILITY TABLE
   ============================================================ */

.table-scroll { overflow-x: auto; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); }
.prob-table { border-collapse: collapse; width: 100%; min-width: 600px; }
.prob-table th { background: var(--color-surface-offset); padding: var(--space-3) var(--space-4); font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); text-align: left; white-space: nowrap; border-bottom: 1px solid var(--color-border); user-select: none; }
.prob-table th.sortable { cursor: pointer; transition: color var(--transition-interactive); }
.prob-table th.sortable:hover { color: var(--color-primary); }
.prob-table th.sorted-asc::after { content: ' ▲'; color: var(--color-primary); font-size: 0.6em; }
.prob-table th.sorted-desc::after { content: ' ▼'; color: var(--color-primary); font-size: 0.6em; }
.prob-table td { padding: var(--space-3) var(--space-4); font-size: var(--text-sm); color: var(--color-text); border-bottom: 1px solid var(--color-divider); font-variant-numeric: tabular-nums; vertical-align: middle; }
.prob-table tr:last-child td { border-bottom: none; }
.prob-table tbody tr { transition: background var(--transition-interactive); }
.prob-table tbody tr:hover { background: var(--color-surface-dynamic); }

.seed-badge { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: var(--radius-sm); background: var(--color-surface-offset); font-size: 11px; font-weight: 700; color: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.team-name-cell { display: flex; align-items: center; gap: var(--space-2); }
.team-full-name { font-weight: 600; color: var(--color-text); }
.prob-number { font-weight: 700; font-variant-numeric: tabular-nums; }
.prob-high { color: var(--color-prob-high); }
.prob-mid { color: var(--color-prob-mid); }
.prob-low { color: var(--color-prob-low); }

/* ============================================================
   BOTTOM PANELS (H2H + Path Explorer)
   ============================================================ */

.bottom-panels { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.panel-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-6); }
.panel-heading { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.03em; margin-bottom: var(--space-2); }
.panel-sub { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-5); }

.h2h-controls { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--space-4); align-items: start; }
.h2h-team { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); }
.h2h-label { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); display: block; align-self: stretch; }
.h2h-team-right .h2h-label { text-align: right; }
.h2h-select { width: 100%; padding: var(--space-2) var(--space-3); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--color-text); cursor: pointer; min-height: 44px; }
.h2h-select:focus { outline: none; border-color: var(--color-primary); }
.h2h-prob { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700; color: var(--color-primary); font-variant-numeric: tabular-nums; line-height: 1; margin-top: var(--space-2); }
.h2h-prob-right { color: var(--color-text-muted); }
.h2h-vs { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-3); padding-top: var(--space-5); min-width: 120px; }
.h2h-vs-label { font-family: var(--font-display); font-size: var(--text-lg); font-weight: 700; color: var(--color-text-faint); letter-spacing: 0.1em; }
.h2h-bar-wrap { width: 100%; height: 8px; background: var(--color-surface-offset); border-radius: var(--radius-full); overflow: hidden; }
.h2h-bar-fill { height: 100%; background: linear-gradient(90deg, var(--color-primary), #E16309); border-radius: var(--radius-full); transition: width 0.5s cubic-bezier(0.16,1,0.3,1); }

.path-controls { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-5); }
.path-rounds { display: flex; flex-direction: column; gap: var(--space-2); }
.path-round-row { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-3) var(--space-4); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.path-round-name { font-family: var(--font-display); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); min-width: 100px; }
.path-round-prob { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 700; font-variant-numeric: tabular-nums; min-width: 52px; }
.path-round-bar { flex: 1; height: 6px; background: var(--color-surface-offset); border-radius: var(--radius-full); overflow: hidden; }
.path-round-fill { height: 100%; border-radius: var(--radius-full); transition: width 0.5s cubic-bezier(0.16,1,0.3,1); }
.path-override-note { font-size: var(--text-xs); color: var(--color-warning); margin-top: var(--space-3); min-height: 1.5em; font-style: italic; }

/* ============================================================
   HOME PAGE
   ============================================================ */

.hero {
  max-width: var(--content-wide); margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-8); text-align: center;
}
.hero-title { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.04em; line-height: 1.1; margin-bottom: var(--space-4); }
.hero-title .hero-accent { color: var(--color-primary); }
.hero-sub { font-family: var(--font-body); font-size: var(--text-lg); color: var(--color-text-muted); max-width: 680px; margin: 0 auto; line-height: 1.5; }
.hero-meta { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin-top: var(--space-6); flex-wrap: wrap; }
.hero-stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.hero-stat-value { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-primary); }
.hero-stat-label { font-size: var(--text-xs); color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.hero-divider { width: 1px; height: 36px; background: var(--color-border); }

/* NCAA Hero */
.ncaa-hero { background: linear-gradient(135deg, rgba(247,140,64,0.08) 0%, rgba(225,99,9,0.04) 100%); border: 2px solid var(--color-primary); border-radius: var(--radius-xl); padding: var(--space-10) var(--space-8); text-align: center; position: relative; overflow: hidden; margin-bottom: var(--space-6); }
.ncaa-hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #E16309, #F78C40, #E16309); }
.ncaa-hero-inner { position: relative; z-index: 1; }
.ncaa-hero-badge { display: inline-block; padding: var(--space-1) var(--space-4); background: var(--color-primary); color: #282727; font-family: var(--font-display); font-size: 11px; font-weight: 700; letter-spacing: 0.15em; border-radius: var(--radius-md); margin-bottom: var(--space-4); }
.ncaa-hero-title { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.04em; line-height: 1.1; margin-bottom: var(--space-3); }
.ncaa-hero-sub { font-size: var(--text-base); color: var(--color-text-muted); max-width: 600px; margin: 0 auto var(--space-6); line-height: 1.6; }
.ncaa-hero-stats { display: flex; justify-content: center; align-items: center; gap: var(--space-6); margin-bottom: var(--space-8); }
.ncaa-stat { display: flex; flex-direction: column; align-items: center; }
.ncaa-stat-val { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-primary); }
.ncaa-stat-label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.ncaa-stat-divider { width: 1px; height: 32px; background: var(--color-border); }
.ncaa-hero-cta { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-8); background: var(--color-primary); color: #282727; font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none; border-radius: var(--radius-lg); transition: all 200ms ease; min-height: 48px; }
.ncaa-hero-cta:hover { background: #E16309; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(247,140,64,0.3); }

/* Conference Grid */
.conferences-section { max-width: var(--content-wide); margin: 0 auto; padding: 0 var(--space-6) var(--space-16); }
.filter-bar { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-6); flex-wrap: wrap; }
.filter-btn { padding: var(--space-2) var(--space-4); font-family: var(--font-body); font-size: var(--text-xs); font-weight: 600; color: var(--color-text-muted); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-full); cursor: pointer; transition: all var(--transition-interactive); min-height: 36px; }
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-dark); font-weight: 700; }

.conf-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
.conf-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-3); transition: all var(--transition-interactive); position: relative; overflow: hidden; text-decoration: none; color: inherit; }
.conf-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--color-border); transition: background var(--transition-interactive); }
.conf-card.conf-live::before { background: var(--color-primary); }
.conf-card.conf-live:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.conf-card.conf-completed::before { background: rgba(90,173,112,0.6); }
.conf-card.conf-completed:hover { border-color: #5aad70; box-shadow: var(--shadow-md); transform: translateY(-2px); }
.conf-card.conf-upcoming::before { background: rgba(100,180,255,0.5); }
.conf-card.conf-upcoming:hover { border-color: #6ab4ff; box-shadow: var(--shadow-md); transform: translateY(-2px); }

.conf-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-3); }
.conf-name { font-family: var(--font-display); font-size: var(--text-base); font-weight: 700; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.02em; }
.conf-badge { flex-shrink: 0; padding: 2px var(--space-3); border-radius: var(--radius-full); font-size: 10px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap; }
.badge-live { background: rgba(247,140,64,0.15); color: var(--color-primary); border: 1px solid rgba(247,140,64,0.3); }
.badge-upcoming { background: rgba(100,180,255,0.12); color: #6ab4ff; border: 1px solid rgba(100,180,255,0.25); }
.badge-completed { background: rgba(90,173,112,0.12); color: #5aad70; border: 1px solid rgba(90,173,112,0.25); }

.live-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); margin-right: 4px; animation: livePulse 1.8s ease-in-out infinite; }
@keyframes livePulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

.conf-details { display: flex; flex-direction: column; gap: var(--space-1); }
.conf-detail { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); color: var(--color-text-muted); }
.conf-card-footer { margin-top: auto; padding-top: var(--space-3); border-top: 1px solid var(--color-divider); }
.conf-cta { font-family: var(--font-body); font-size: var(--text-xs); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; display: flex; align-items: center; gap: var(--space-2); color: var(--color-primary); }

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

@media (max-width: 900px) {
  .header-inner { grid-template-columns: auto 1fr; padding: var(--space-3) var(--space-4); }
  .header-center { grid-column: 1 / -1; grid-row: 2; text-align: left; }
  .header-actions { grid-row: 1; grid-column: 2; justify-self: end; }
  main { padding: var(--space-6) var(--space-4); gap: var(--space-8); }
  .bottom-panels { grid-template-columns: 1fr; }
  .hero { padding: var(--space-10) var(--space-4) var(--space-6); }
  .conferences-section { padding: 0 var(--space-4) var(--space-10); }
  .conf-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
}

@media (max-width: 480px) {
  main { padding: var(--space-4) var(--space-3); }
  .brand-text { display: none; }
  .conf-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   ADMIN STYLES
   ============================================================ */

.admin-layout { max-width: var(--content-wide); margin: 0 auto; padding: var(--space-6); }
.admin-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-6); }
.admin-title { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; color: var(--color-text); text-transform: uppercase; }

.admin-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); margin-bottom: var(--space-4); }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: var(--space-3) var(--space-4); font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; color: var(--color-text-muted); border-bottom: 2px solid var(--color-border); letter-spacing: 0.06em; }
.admin-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-divider); font-size: var(--text-sm); }
.admin-table tbody tr:hover { background: var(--color-surface-dynamic); }

.admin-btn { display: inline-flex; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-4); font-size: var(--text-xs); font-weight: 600; border-radius: var(--radius-md); cursor: pointer; transition: all var(--transition-interactive); text-decoration: none; }
.admin-btn-primary { background: var(--color-primary); color: #282727; border: 1px solid var(--color-primary); }
.admin-btn-primary:hover { background: #E16309; }
.admin-btn-danger { background: var(--color-error); color: white; border: 1px solid var(--color-error); }
.admin-btn-danger:hover { opacity: 0.85; }
.admin-btn-outline { background: transparent; color: var(--color-text); border: 1px solid var(--color-border); }
.admin-btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }

.admin-badge { display: inline-block; padding: 2px 8px; font-size: 10px; font-weight: 700; border-radius: var(--radius-full); text-transform: uppercase; letter-spacing: 0.04em; }
.admin-badge-green { background: rgba(90,173,112,0.15); color: #5aad70; }
.admin-badge-orange { background: rgba(247,140,64,0.15); color: var(--color-primary); }
.admin-badge-gray { background: var(--color-surface-offset); color: var(--color-text-muted); }
.admin-badge-red { background: rgba(248,113,113,0.15); color: var(--color-error); }

.admin-form-group { margin-bottom: var(--space-4); }
.admin-form-group label { display: block; font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: var(--space-1); letter-spacing: 0.06em; }
.admin-form-group input,
.admin-form-group select { width: 100%; padding: var(--space-2) var(--space-3); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text); font-size: var(--text-sm); }
.admin-form-group input:focus,
.admin-form-group select:focus { outline: none; border-color: var(--color-primary); }

.admin-flash { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); margin-bottom: var(--space-4); font-size: var(--text-sm); }
.admin-flash-notice { background: rgba(90,173,112,0.15); color: #5aad70; border: 1px solid rgba(90,173,112,0.3); }
.admin-flash-alert { background: rgba(248,113,113,0.15); color: var(--color-error); border: 1px solid rgba(248,113,113,0.3); }

/* ============================================================
   NCAA TOURNAMENT SPECIFIC STYLES
   ============================================================ */

/* Region Tabs */
.region-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.region-tab {
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  min-height: 44px;
}

.region-tab:hover {
  background: var(--color-surface-dynamic);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.region-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #282727;
}

/* Region-colored active tab states */
.region-tab.active[data-region="East"] { background: #4A90D9; border-color: #4A90D9; color: #fff; }
.region-tab.active[data-region="West"] { background: #E85D75; border-color: #E85D75; color: #fff; }
.region-tab.active[data-region="South"] { background: #5AAD70; border-color: #5AAD70; color: #fff; }
.region-tab.active[data-region="Midwest"] { background: #E8A040; border-color: #E8A040; color: #282727; }

/* Region bracket show/hide: all hidden by default, active region shown */
.region-bracket { display: none; }
.region-bracket.active { display: block; }

/* First Four Section */
.first-four-section {
  margin-bottom: var(--space-4);
}

.first-four-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

.ff-game-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ff-game-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-align: center;
}

/* Final Four bracket section */
.ff-bracket-section .bracket-scroll-container {
  overflow-x: visible;
  display: flex;
  justify-content: center;
}

.ff-bracket-section .bracket-container {
  min-width: auto !important;
  margin: 0 auto;
}

/* Region Tags in Probability Table */
.region-tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.region-east { background: rgba(74, 144, 217, 0.15); color: #4A90D9; }
.region-west { background: rgba(232, 93, 117, 0.15); color: #E85D75; }
.region-south { background: rgba(90, 173, 112, 0.15); color: #5AAD70; }
.region-midwest { background: rgba(232, 160, 64, 0.15); color: #E8A040; }

/* Adjust table for 68 teams */
.col-region { width: 80px; }

@media (max-width: 768px) {
  .first-four-grid {
    grid-template-columns: 1fr 1fr;
  }
  .region-tabs {
    justify-content: center;
  }
  .region-tab {
    flex: 1;
    text-align: center;
    min-width: 70px;
    padding: var(--space-2) var(--space-3);
  }
}

@media (max-width: 480px) {
  .first-four-grid {
    grid-template-columns: 1fr;
  }
}