:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --error: #f87171;
  --ok: #4ade80;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

header h1 { margin: 0; font-size: 1.25rem; }

#headerActions { display: flex; gap: 0.5rem; }
#headerActions:empty { display: none; }
#headerActions button { font-size: 0.85rem; padding: 0.3rem 0.7rem; }

#userBar { font-size: 0.9rem; color: var(--muted); display: flex; gap: 0.75rem; align-items: center; }
#userBar button { font-size: 0.85rem; padding: 0.3rem 0.7rem; }

main { padding: 1.5rem; max-width: 960px; margin: 0 auto; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 380px;
  margin: 2rem auto;
}

.card h2 { margin-top: 0; font-size: 1.1rem; }

form label { display: block; margin-bottom: 0.75rem; font-size: 0.9rem; }
form input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem;
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
}

.row { display: flex; gap: 0.5rem; margin-top: 0.5rem; }

button {
  cursor: pointer;
  background: var(--accent);
  color: #0b1220;
  border: none;
  border-radius: 4px;
  padding: 0.5rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
}
button:hover { filter: brightness(1.1); }
button.secondary { background: var(--border); color: var(--text); }

.error { color: var(--error); min-height: 1.2em; margin: 0.5rem 0 0; font-size: 0.9rem; }

.hint { color: var(--muted); font-size: 0.9rem; }

.tournament-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}
.tournament-card h2 { margin: 0 0 0.75rem; font-size: 1rem; letter-spacing: 0.03em; }
.tournament-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.tournament-fields label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
  gap: 0.35rem;
}
.tournament-fields select,
.tournament-fields input[type="text"] {
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 0.95rem;
}
.tournament-fields select:disabled,
.tournament-fields input:disabled { opacity: 0.6; }
.tournament-card .hint { margin: 0.5rem 0 0; }
@media (max-width: 600px) {
  .tournament-fields { grid-template-columns: 1fr; gap: 0.6rem; }
}

.rules-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem 1.75rem;
}
.rules-card h2 { margin: 0 0 1rem; font-size: 1.15rem; }
.rules-card ol {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.6;
}
.rules-card li { margin-bottom: 0.85rem; }
.rules-card li:last-child { margin-bottom: 0; }
.rules-card strong { color: var(--accent); }

.tournament-summary {
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  margin: 0.5rem 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.9rem;
}

#tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 0.6rem 1rem;
  font-weight: 500;
  font-size: 0.95rem;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.leaderboard {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.leaderboard th,
.leaderboard td {
  padding: 0.65rem 1rem;
  text-align: left;
  border-top: 1px solid var(--border);
}
.leaderboard thead th {
  background: #0b1220;
  border-top: none;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.leaderboard td.num,
.leaderboard th.num { text-align: right; }
.leaderboard .rank { color: var(--muted); width: 2rem; }

.scoreboard-table { font-variant-numeric: tabular-nums; }
.scoreboard-table .bucket {
  padding-left: 0.4rem;
  padding-right: 0.4rem;
  min-width: 1.8rem;
}
.scoreboard-table tbody .bucket-0 { color: var(--muted); }
.scoreboard-table tbody .bucket-1 { color: var(--text); }
.scoreboard-table tbody .bucket-3 { color: var(--accent); }
.scoreboard-table tbody .bucket-4,
.scoreboard-table tbody .bucket-5 { color: var(--ok); }

@media (max-width: 600px) {
  #scoreboardView { overflow-x: auto; }
  .scoreboard-table { font-size: 0.85rem; }
  .scoreboard-table th,
  .scoreboard-table td { padding: 0.5rem 0.5rem; }
  .scoreboard-table .bucket { min-width: 1.4rem; padding-left: 0.25rem; padding-right: 0.25rem; }
}

.day {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  overflow: hidden;
}
.day h3 {
  margin: 0;
  padding: 0.75rem 1rem;
  background: #0b1220;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.day h3 .countdown {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: normal;
  letter-spacing: normal;
  font-variant-numeric: tabular-nums;
}

.match {
  display: grid;
  grid-template-columns: auto 1.75rem 1fr auto 1fr;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}
.match:hover { background: rgba(56, 189, 248, 0.06); }
.match:first-of-type { border-top: none; }

.match-time {
  color: var(--muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.group-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 4px;
  background: var(--border);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
}

.team-short { display: none; }

@media (max-width: 600px) {
  main { padding: 0.75rem; }
  .match {
    padding: 0.55rem 0.65rem;
    gap: 0.4rem;
    grid-template-columns: auto 1.25rem 1fr auto 1fr;
  }
  .match .team { gap: 0.35rem; font-size: 0.9rem; }
  .match .team .team-full { display: none; }
  .match .team .team-short { display: inline; font-weight: 600; }
  .match .flag { width: 20px; }
  .match-time { font-size: 0.75rem; }
  .group-badge { width: 1.25rem; height: 1.25rem; font-size: 0.7rem; }
  .score input { width: 2.2rem; padding: 0.3rem; }
}
.match .team {
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}
.match .home { justify-content: flex-end; }
.match .away { justify-content: flex-start; }
.match .team .team-full,
.match .team .team-short {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.flag {
  width: 24px;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.25);
  flex-shrink: 0;
}

.score {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.score input {
  width: 2.6rem;
  padding: 0.35rem;
  text-align: center;
  background: #0b1220;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
  -moz-appearance: textfield;
  appearance: textfield;
}
.score input::-webkit-outer-spin-button,
.score input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.score input:focus { outline: 2px solid var(--accent); }
.score .sep { color: var(--muted); }

.match.locked .score input { opacity: 0.5; pointer-events: none; }

.match.completed {
  background: rgba(74, 222, 128, 0.05);
  border-left: 3px solid rgba(74, 222, 128, 0.45);
  padding-left: calc(1rem - 3px);
}
.match.completed:hover { background: rgba(74, 222, 128, 0.1); }
.match.completed .team,
.match.completed .match-time { color: var(--muted); }
.match.completed .team .flag { opacity: 0.85; }

.outcome {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
  padding-top: 0.45rem;
  margin-top: 0.45rem;
  border-top: 1px dashed var(--border);
}
.outcome strong { color: var(--text); }
.pts-0 { color: var(--muted); }
.pts-1 { color: var(--accent); }
.pts-3 { color: var(--accent); }
.pts-4 { color: var(--ok); }
.pts-5 { color: var(--ok); }
.saved-flash { color: var(--ok); font-size: 0.75rem; margin-left: 0.4rem; }

.clear-btn {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 0.45rem;
  margin-left: 0.4rem;
  font-size: 1rem;
  line-height: 1.4;
  cursor: pointer;
  font-weight: 400;
}
.clear-btn:hover {
  color: var(--error);
  border-color: var(--error);
  background: transparent;
  filter: none;
}

.leaderboard .user-row,
.leaderboard .match-row { cursor: pointer; }
.leaderboard .user-row:hover,
.leaderboard .match-row:hover { background: rgba(56, 189, 248, 0.08); }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 100;
}
.modal-overlay[hidden] { display: none; }
.modal-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: transparent;
  color: var(--muted);
  font-size: 1.5rem;
  font-weight: 400;
  padding: 0.25rem 0.6rem;
  line-height: 1;
}
.modal-close:hover { color: var(--text); background: transparent; }
.modal-title { margin: 0 0 1rem; font-size: 1.25rem; }

.match-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}
.match-header .flag { width: 36px; }
.match-header .vs { color: var(--muted); font-size: 0.85rem; }

.result-row {
  text-align: center;
  margin: 0.75rem 0 1rem;
  padding: 0.5rem;
  background: rgba(74, 222, 128, 0.1);
  border-radius: 4px;
}

.prediction-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  margin: 0.75rem 0 1rem;
}
.prediction-stats .stat {
  background: #0b1220;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem 0.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}
.prediction-stats .stat .flag { width: 32px; }
.prediction-stats .stat-icon {
  width: 32px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 1.4rem;
  font-weight: 700;
}
.prediction-stats .stat-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.prediction-stats .stat-count {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
}

.inline-match {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
}
.inline-match .flag { width: 18px; }
.inline-match .vs { color: var(--muted); font-size: 0.8rem; margin: 0 0.15rem; }
.predictions-table td { font-size: 0.9rem; white-space: nowrap; }