@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Inter:wght@400;500;600;700&family=Space+Mono:ital,wght@0,400;0,700&display=swap');

/* ─── Design Tokens ─────────────────────────────────────────────────────────── */

:root {
  /* Colors */
  --pitch-night: #0D2818;
  --chalk-white: #F5F3EF;
  --trophy-gold: #D4A017;
  --red-card:    #C42B2B;
  --slate:       #374151;
  --surface:     #FFFFFF;
  --pitch-mist:  #E8F0EB;
  --data-teal:   #0F766E;
  --border:      #E2E8E4;
  --muted:       #9CA3AF;

  /* Typography */
  --font-display: 'Bebas Neue', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-data:    'Space Mono', monospace;

  /* Spacing */
  --sp-xs: 4px;
  --sp-sm: 8px;
  --sp-md: 16px;
  --sp-lg: 24px;
  --sp-xl: 40px;

  /* Borders */
  --radius:    6px;
  --radius-lg: 12px;
  --shadow:    0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

/* ─── Reset & Base ───────────────────────────────────────────────────────────── */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding-top: 56px;
  background: var(--chalk-white);
  font-family: var(--font-body);
  color: var(--slate);
  line-height: 1.5;
}

/* ─── Layout ─────────────────────────────────────────────────────────────────── */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

.section {
  padding: var(--sp-xl) 0;
}

.section-alt {
  background: var(--pitch-mist);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}

/* ─── Navigation ─────────────────────────────────────────────────────────────── */

@keyframes live-pulse {
  0%   { opacity: 1; }
  50%  { opacity: 0.5; }
  100% { opacity: 1; }
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--pitch-night);
  z-index: 100;
}

.nav-inner {
  display: flex;
  align-items: center;
  padding: var(--sp-sm) var(--sp-lg);
  gap: var(--sp-lg);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--trophy-gold);
  text-decoration: none;
}

.nav-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  padding: 6px 4px;
}

.nav-link:hover {
  color: white;
}

.nav-live {
  background: var(--red-card);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  animation: live-pulse 1.5s infinite;
}

/* ─── Cards ──────────────────────────────────────────────────────────────────── */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  box-shadow: var(--shadow);
}

.card-sm {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-md);
  box-shadow: var(--shadow);
}

.stat-block {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-md) var(--sp-lg);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 42px;
  color: var(--pitch-night);
  line-height: 1;
  display: block;
}

.stat-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ─── Badges ─────────────────────────────────────────────────────────────────── */

.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
}

.badge-green {
  background: var(--pitch-mist);
  color: var(--pitch-night);
}

.badge-gold {
  background: #FEF3C7;
  color: #92400E;
}

.badge-red {
  background: #FEE2E2;
  color: var(--red-card);
}

.badge-teal {
  background: #CCFBF1;
  color: #0F766E;
}

.badge-conf-UEFA {
  background: #E8F0EB;
  color: var(--pitch-night);
}

.badge-conf-CONMEBOL {
  background: #E0F2FE;
  color: #0369A1;
}

.badge-conf-CAF {
  background: #FEF3C7;
  color: #92400E;
}

.badge-conf-AFC {
  background: #F3E8FF;
  color: #6B2E7E;
}

.badge-conf-CONCACAF {
  background: #FFE4E6;
  color: var(--red-card);
}

/* ─── Tables ─────────────────────────────────────────────────────────────────── */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: var(--pitch-night);
  color: white;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: var(--sp-sm) var(--sp-md);
  text-align: left;
}

.data-table td {
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--border);
}

.data-table tr:nth-child(even) {
  background: var(--pitch-mist);
}

.data-table tr:hover {
  background: #E8F0EB;
}

/* Standings tables: uniform row heights so all groups align across the grid */
.standings-table {
  table-layout: fixed;
}

/* Standings stripe rows 1 & 3 instead of the default even-row striping */
.standings-table tbody tr:nth-child(even) { background: var(--surface); }
.standings-table tbody tr:nth-child(odd)  { background: var(--pitch-mist); }

/* Identical column widths across every group table */
.standings-table th:nth-child(1),
.standings-table td:nth-child(1) { width: 64%; }
.standings-table th:nth-child(2),
.standings-table td:nth-child(2) { width: 12%; }
.standings-table th:nth-child(3),
.standings-table td:nth-child(3) { width: 12%; }
.standings-table th:nth-child(4),
.standings-table td:nth-child(4) { width: 12%; }

/* Tight horizontal padding on the numeric columns frees room for team names */
.standings-table th:nth-child(n+2),
.standings-table td:nth-child(n+2) {
  padding-left: var(--sp-xs);
  padding-right: var(--sp-xs);
}

.standings-table td {
  height: 48px;
  vertical-align: middle;
  padding-top: var(--sp-xs);
  padding-bottom: var(--sp-xs);
}

/* Team name cell: keep the <td> a real table cell so table-layout:fixed honors
   its width; do the flag+name flex layout on an inner wrapper instead. */
.standings-table td.team-cell {
  overflow: hidden;
}

.standings-table .team-cell-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  min-width: 0;
}

.standings-table .team-flag {
  flex: 0 0 auto;
  line-height: 1;
}

.standings-table .team-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.flag-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
}

.flag-icon {
  display: inline-block;
  vertical-align: middle;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 0 0 1px var(--border);
  flex-shrink: 0;
}

.flag-icon--sm { width: 20px; height: 15px; }
.flag-icon--md { width: 32px; height: 24px; }
.flag-icon--lg { width: 48px; height: 36px; }

.flag-icon--fallback {
  background: var(--pitch-mist);
}

.standings-table .team-flag .flag-icon {
  display: block;
}

/* ─── Charts ─────────────────────────────────────────────────────────────────── */

.chart-container {
  width: 100%;
  min-height: 300px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.chart-container.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 13px;
}

.chart-error {
  color: var(--red-card);
  font-size: 12px;
  padding: var(--sp-md);
  text-align: center;
}

/* ─── Hero ───────────────────────────────────────────────────────────────────── */

.hero {
  background: var(--pitch-night);
  color: white;
  padding: 100px 0 var(--sp-xl);
  position: relative;
  overflow: hidden;
  min-height: 380px;
}

.hero-pitch {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  pointer-events: none;
}

.hero-eyebrow {
  font-size: 11px;
  color: var(--trophy-gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--sp-sm);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 72px;
  line-height: 1;
  color: white;
  margin: 0 0 var(--sp-md);
}

.hero-sub {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* ─── Section Headers ────────────────────────────────────────────────────────── */

.section-header {
  margin-bottom: var(--sp-lg);
}

.section-eyebrow {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 36px;
  color: var(--pitch-night);
  margin: 0;
}

/* ─── Probability Bar ────────────────────────────────────────────────────────── */

.prob-bar {
  display: flex;
  height: 10px;
  border-radius: 5px;
  overflow: hidden;
  gap: 2px;
}

.prob-bar-a {
  background: var(--pitch-night);
}

.prob-bar-draw {
  background: var(--muted);
}

.prob-bar-b {
  background: var(--red-card);
}

.prob-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-data);
  font-size: 12px;
  margin-top: 4px;
}

/* ─── Team Selector ──────────────────────────────────────────────────────────── */

.team-select {
  appearance: none;
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: var(--sp-sm) var(--sp-md);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  width: 100%;
  cursor: pointer;
}

.team-select:focus {
  outline: none;
  border-color: var(--pitch-night);
}

/* ─── VS Divider ─────────────────────────────────────────────────────────────── */

.vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 48px;
  color: var(--muted);
}

/* ─── Groups Grid ────────────────────────────────────────────────────────────── */

.groups-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}

@media (max-width: 1024px) {
  .groups-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ─── Teams Section ──────────────────────────────────────────────────────────── */

.teams-layout {
  display: grid;
  grid-template-columns: 35% 1fr;
  gap: var(--sp-lg);
  align-items: start;
}

.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-sm);
}

.stat-cell {
  background: var(--pitch-mist);
  border-radius: var(--radius);
  padding: var(--sp-sm) var(--sp-md);
}

.stat-cell-label {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-cell-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--pitch-night);
  margin-top: 2px;
}

.font-data {
  font-family: var(--font-data);
}

.filter-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--slate);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--pitch-night);
  color: white;
  border-color: var(--pitch-night);
}

.team-section-subtitle {
  font-size: 14px;
  color: var(--muted);
  margin: var(--sp-xs) 0 0;
}

@media (max-width: 1024px) {
  .teams-layout {
    grid-template-columns: 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }
}

/* ─── H2H Section ───────────────────────────────────────────────────────────── */

.h2h-selectors {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--sp-md);
  align-items: center;
}

.h2h-metrics {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--sp-sm) var(--sp-md);
  border-radius: var(--radius);
}

.metric-row:nth-child(odd) {
  background: var(--pitch-mist);
}

.metric-val {
  font-size: 15px;
  font-weight: 700;
  color: var(--pitch-night);
}

.metric-row > span:last-child {
  text-align: right;
}

.metric-name {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 0 var(--sp-md);
  white-space: nowrap;
}

/* ─── Heatmap scroll container ───────────────────────────────────────────────── */

.heatmap-scroll {
  max-height: 520px;
  overflow-y: auto;
  overflow-x: auto;
}

/* ─── History Section ────────────────────────────────────────────────────────── */

.history-layout {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--sp-lg);
  align-items: start;
}

@media (max-width: 1024px) {
  .h2h-selectors {
    grid-template-columns: 1fr;
  }

  .history-layout {
    grid-template-columns: 1fr;
  }
}

/* ─── Nav Active State ───────────────────────────────────────────────────────── */

.nav-link-active {
  color: white !important;
}

/* ─── Skeleton Shimmer ───────────────────────────────────────────────────────── */

@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position:  600px 0; }
}

.skeleton-shimmer {
  width: 100%;
  min-height: 300px;
  background: linear-gradient(
    90deg,
    var(--border) 25%,
    var(--pitch-mist) 50%,
    var(--border) 75%
  );
  background-size: 600px 100%;
  animation: shimmer 1.6s infinite linear;
  border-radius: var(--radius);
}

/* ─── Accessibility helpers ──────────────────────────────────────────────────── */

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

/* Keep section headers clear of the fixed nav when scrolled to via anchor links. */
section[id] {
  scroll-margin-top: 56px;
}

/* ─── Focus Chart Section ────────────────────────────────────────────────────── */

#focus-chart {
  scroll-margin-top: 56px; /* nav height */
}

/* Credibility chart can be wider than small viewports — allow horizontal scroll
   instead of overflowing the page. */
#chart-credibility {
  overflow-x: auto;
}

/* Respect users who prefer reduced motion. */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

#credibility-insights .card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

#credibility-selected-team {
  background: var(--pitch-mist);
  color: var(--pitch-night);
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  font-size: 12px;
}

/* ─── Mobile ─────────────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .groups-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 48px;
  }

  .stat-number {
    font-size: 28px;
  }

  nav {
    flex-wrap: wrap;
  }

  /* Live section 3-col → stack */
  #live .container > div[style*="grid-template-columns:1fr 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Predict row 2: side-by-side → stack */
  #predict [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* H2H selectors on mobile */
  .h2h-selectors {
    grid-template-columns: 1fr !important;
  }

  .vs-divider {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

  .nav-inner {
    gap: var(--sp-sm);
    font-size: 12px;
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}