/* ============ ShuttleUp — indoor-court theme ============
   Palette: deep court-green night, warm shuttlecock-gold accent,
   teal for live/win states. Oswald for scoreboard-style numerals
   and headings, Inter for body/UI text. */

:root {
  --bg: #0c1a16;
  --card: #16241f;
  --card2: rgba(30, 58, 48, 0.4);
  --line: #26443a;
  --text: #f4efe4;
  --muted: #9db3a8;

  --accent: #f0b429;       /* shuttlecock gold — primary action */
  --accent-dark: #c98d1d;
  --accent-ink: #241a02;   /* text on gold */
  --win: #2dd4a7;          /* court-line teal — live / win / success */
  --win-ink: #04241c;
  --danger: #f2685c;
  --warn: #fb923c;

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;

  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background:
    radial-gradient(1100px 520px at 78% -12%, rgba(240, 180, 41, 0.08), transparent),
    radial-gradient(900px 520px at -10% 108%, rgba(45, 212, 167, 0.07), transparent),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.muted { color: var(--muted); font-weight: 400; }

:focus-visible { outline: 2px solid var(--win); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
}

/* ---------- top bar ---------- */

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 11px 18px;
  background: rgba(12, 26, 22, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand {
  font-family: var(--font-display); font-weight: 600; letter-spacing: 0.3px;
  font-size: 1.2rem; display: flex; align-items: baseline; gap: 7px;
  color: var(--text); text-decoration: none;
}
.brand-sub { color: var(--muted); font-size: 0.76rem; font-family: var(--font-body); font-weight: 500; }
.tabs { display: flex; gap: 4px; margin-left: auto; }
.tab {
  border: 1px solid transparent; background: transparent; color: var(--muted);
  padding: 7px 15px; border-radius: 999px; cursor: pointer; font-size: 0.88rem; font-weight: 600;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.tab:hover:not(:disabled) { color: var(--text); background: rgba(157, 179, 168, 0.1); }
.tab.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.tab:disabled { opacity: 0.35; cursor: not-allowed; }
.top-chips { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

/* ---------- chips & buttons ---------- */

.chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.74rem; font-weight: 600; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px;
  background: var(--card);
}
.chip-on { color: var(--win); border-color: rgba(45, 212, 167, 0.45); }
.chip-skill { color: var(--accent); border-color: rgba(240, 180, 41, 0.4); background: rgba(240, 180, 41, 0.08); }

.btn {
  border: 1px solid var(--line); border-radius: var(--r-sm); cursor: pointer;
  background: var(--card); color: var(--text); font-weight: 600; font-size: 0.9rem;
  padding: 9px 16px; transition: border-color 0.12s, background 0.12s, transform 0.06s;
}
.btn:hover { border-color: #37594b; }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
  box-shadow: 0 4px 14px rgba(240, 180, 41, 0.22);
}
.btn.primary:hover { background: #f7c352; }
.btn.primary.dimmed { opacity: 0.55; box-shadow: none; }
.btn.ghost { background: transparent; }
.btn.danger { background: transparent; color: var(--danger); border-color: rgba(242, 104, 92, 0.4); }
.btn.danger:hover { background: rgba(242, 104, 92, 0.1); }
.btn.sm { padding: 5px 10px; font-size: 0.8rem; border-radius: 7px; }
.btn.big { width: 100%; margin-top: 14px; padding: 13px; font-size: 1.02rem; }

/* ---------- layout & cards ---------- */

main { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
section[hidden] { display: none; }
.card {
  position: relative;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 19px; margin-bottom: 18px;
  box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.6);
}
.card::before {
  content: ""; position: absolute; top: 0; left: 18px; right: 18px; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent 65%);
  border-radius: 0 0 2px 2px; opacity: 0.75;
}
.card h2 {
  margin: 0 0 14px; font-size: 1.1rem; font-family: var(--font-display);
  font-weight: 600; letter-spacing: 0.2px;
}
.h2-sub { color: var(--muted); font-size: 0.85rem; font-weight: 500; font-family: var(--font-body); }
.grid2 { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 18px; }
.card-foot { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* ---------- fields ---------- */

.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field label { font-size: 0.76rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.field input, .field select {
  background: #0a1512; color: var(--text); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 9px 10px; font-size: 0.92rem; width: 100%;
  font-family: var(--font-body); transition: border-color 0.12s;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--accent-dark); }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 14px; }

/* ---------- mode cards ---------- */

.mode-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 4px; }
.mode-card {
  position: relative; display: flex; flex-direction: column; gap: 4px;
  border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px; cursor: pointer;
  background: var(--card2); transition: border-color 0.15s, background 0.15s;
}
.mode-card input { position: absolute; opacity: 0; pointer-events: none; }
.mode-icon { font-size: 1.4rem; }
.mode-title { font-weight: 700; font-size: 0.92rem; font-family: var(--font-body); }
.mode-desc { font-size: 0.76rem; color: var(--muted); line-height: 1.35; }
.mode-card:hover { border-color: #37594b; }
.mode-card:has(input:checked) { border-color: var(--accent); background: rgba(240, 180, 41, 0.09); }
.mode-card:has(input:checked) .mode-title { color: var(--accent); }

/* ---------- plan ---------- */

.plan-body { margin-top: 12px; }
.plan-meta { font-size: 0.8rem; color: var(--muted); margin-bottom: 8px; }
.plan-row {
  display: flex; gap: 8px; align-items: baseline;
  padding: 5px 0; border-bottom: 1px dashed rgba(38, 68, 58, 0.7); font-size: 0.9rem;
}
.plan-row::before { content: "→"; color: var(--muted); flex: 0 0 auto; }
.plan-note { color: var(--muted); font-size: 0.85rem; line-height: 1.45; }
.plan-ok { color: var(--win); font-size: 0.92rem; margin: 10px 0 0; }
.plan-warn { color: var(--warn); font-size: 0.88rem; margin: 8px 0 0; line-height: 1.4; }
.plan-sug { color: var(--muted); font-size: 0.85rem; margin: 4px 0 0 6px; }
.plan-how { margin-top: 12px; font-size: 0.8rem; color: var(--muted); }
.plan-how summary { cursor: pointer; color: var(--muted); }
.plan-how p { line-height: 1.5; }
.plan-banner {
  border-radius: var(--r-sm); padding: 10px 14px; margin-bottom: 14px; font-size: 0.9rem; font-weight: 600;
}
.plan-banner.ok { background: rgba(45, 212, 167, 0.1); border: 1px solid rgba(45, 212, 167, 0.35); color: var(--win); }
.plan-banner.warn { background: rgba(251, 146, 60, 0.09); border: 1px solid rgba(251, 146, 60, 0.35); color: var(--warn); }

/* ---------- registration ---------- */

.reg-form { border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px; background: var(--card2); }
.reg-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.reg-foot { display: flex; align-items: center; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.entry-list { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.entry-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card2); border: 1px solid var(--line); border-radius: var(--r-sm); padding: 8px 12px;
}
.entry-row.editing { border-color: var(--accent); background: rgba(240, 180, 41, 0.07); }
.entry-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- groups ---------- */

.groups-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.group-card { background: var(--card2); border: 1px solid var(--line); border-radius: var(--r-md); padding: 12px; }
.group-card h3 {
  margin: 0 0 8px; color: var(--accent); font-size: 0.88rem; text-transform: uppercase; letter-spacing: 0.6px;
  font-family: var(--font-display); font-weight: 600;
}
.g-members { display: flex; flex-direction: column; gap: 5px; }
.g-member { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 0.9rem; }

/* ---------- schedule ---------- */

.slot { margin-bottom: 6px; }
.slot-head { display: flex; align-items: baseline; gap: 12px; margin: 14px 0 8px; }
.slot-time {
  font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; color: var(--accent);
  background: rgba(240, 180, 41, 0.1); border: 1px solid rgba(240, 180, 41, 0.35);
  padding: 2px 11px; border-radius: var(--r-sm);
}
.slot-sub { color: var(--muted); font-size: 0.8rem; }
.slot-matches { display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); gap: 8px; }
.slot-break {
  border: 1px dashed var(--line); border-radius: var(--r-sm); color: var(--muted);
  text-align: center; padding: 10px; margin: 14px 0; font-size: 0.88rem;
}

/* ---------- match cards ---------- */

.match {
  background: var(--card2); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 8px 10px; transition: border-color 0.15s;
}
.match.done { border-color: rgba(45, 212, 167, 0.5); }
.m-stage { display: flex; justify-content: space-between; align-items: center; font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); margin-bottom: 4px; }
.m-stage em { font-style: normal; color: var(--warn); }
.m-main { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; align-items: center; }
.m-name { font-weight: 600; font-size: 0.92rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.m-name.side-b { text-align: right; }
.m-name.win { color: var(--accent); }
.m-sets { display: flex; align-items: center; justify-content: center; gap: 4px; flex-wrap: wrap; }

.set-chip {
  display: inline-flex; align-items: center; gap: 2px;
  background: #0a1512; border: 1px solid var(--line); border-radius: 7px; padding: 2px 4px;
}
.set-chip.win-a { border-color: rgba(240, 180, 41, 0.55); }
.set-chip.win-b { border-color: rgba(45, 212, 167, 0.55); }
.set-chip input {
  width: 2.3em; text-align: center; border: none; background: transparent;
  color: var(--text); font-family: var(--font-display); font-weight: 600;
  font-size: 0.95rem; font-variant-numeric: tabular-nums; padding: 2px 0;
}
.set-chip input:focus { outline: none; }
.set-chip input:disabled { color: var(--muted); }
.set-chip .sep { color: var(--muted); font-size: 0.8rem; }
.set-x {
  border: none; background: transparent; color: var(--muted); cursor: pointer;
  font-size: 0.9rem; line-height: 1; padding: 2px 3px; border-radius: 4px;
}
.set-chip.empty { color: var(--muted); font-size: 0.8rem; padding: 2px 8px; }
.set-warn { color: var(--warn); font-size: 0.8rem; line-height: 1; }

/* player-roster suggestions while typing a name */
.roster-suggest { display: flex; flex-direction: column; gap: 4px; margin: 2px 0 10px; }
.roster-suggest button {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  text-align: left; padding: 7px 10px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: #0a1512; color: var(--text);
  cursor: pointer; font-size: 0.9rem; font-family: var(--font-body);
}
.roster-suggest button:hover { border-color: var(--accent); background: rgba(240, 180, 41, 0.07); }
.roster-suggest .muted { font-size: 0.78rem; }
.tab-count { color: var(--muted); font-size: 0.85em; }
.set-x:hover { color: var(--danger); }
.add-set {
  border: 1px dashed var(--line); background: transparent; color: var(--muted);
  border-radius: 7px; font-size: 0.75rem; padding: 4px 8px; cursor: pointer;
}
.add-set:hover { color: var(--accent); border-color: var(--accent-dark); }
.m-winner { margin-top: 6px; font-size: 0.8rem; color: var(--muted); }
.m-winner b { color: var(--win); }
.undo {
  border: none; background: transparent; color: var(--muted); text-decoration: underline;
  cursor: pointer; font-size: 0.75rem; margin-left: 6px; padding: 0;
}
.undo:hover { color: var(--danger); }

/* ---------- bracket ---------- */

.bracket-h { margin: 22px 0 10px; font-size: 1rem; font-family: var(--font-display); font-weight: 600; letter-spacing: 0.2px; }
.standings-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.standings { width: 100%; border-collapse: collapse; background: var(--card2); border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; font-size: 0.88rem; }
.standings th, .standings td { padding: 7px 10px; text-align: left; border-bottom: 1px solid rgba(38, 68, 58, 0.6); }
.standings th { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted); }
.standings tr:last-child td { border-bottom: none; }
.standings tr.adv td { color: var(--accent); background: rgba(240, 180, 41, 0.06); }
.adv-tag { font-size: 0.7rem; color: var(--accent); }

.ko { display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px; }
.ko-col { min-width: 250px; flex: 1; display: flex; flex-direction: column; gap: 8px; align-content: flex-start; }
.ko-col h4 { margin: 4px 0; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.7px; color: var(--muted); font-family: var(--font-display); font-weight: 600; }
.ko-col .match { flex: 0 0 auto; }

.champion-banner {
  margin-top: 20px; text-align: center; font-family: var(--font-display); font-size: 1.2rem; font-weight: 600;
  border: 2px solid var(--accent); border-radius: var(--r-lg); padding: 18px;
  background: linear-gradient(180deg, rgba(240, 180, 41, 0.12), rgba(240, 180, 41, 0.04)); color: var(--accent);
  display: none;
}
.champion-banner.show { display: block; }
.champ-name { font-size: 1.45rem; }

/* ---------- toast ---------- */

#toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #1c2f28; border: 1px solid var(--line); color: var(--text);
  padding: 10px 18px; border-radius: 999px; font-size: 0.88rem; font-weight: 600;
  opacity: 0; pointer-events: none; transition: opacity 0.2s, transform 0.2s; z-index: 50;
  max-width: 90vw; box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.6);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- screens ---------- */

.screen[hidden] { display: none; }

/* ---------- auth ---------- */

#screen-auth { display: flex; justify-content: center; align-items: flex-start; min-height: 70vh; padding-top: 4vh; }
#screen-auth[hidden] { display: none; }
.auth-card { width: 100%; max-width: 420px; text-align: left; }
.auth-brand { font-family: var(--font-display); font-weight: 600; font-size: 1.7rem; margin-bottom: 6px; letter-spacing: 0.2px; }
.auth-tabs { display: flex; gap: 4px; margin: 16px 0 14px; background: #0a1512; border-radius: 999px; padding: 4px; }
.auth-tabs .tab { flex: 1; }
#authForm .field { margin-bottom: 12px; }
.auth-err { color: var(--danger); min-height: 1em; margin-top: 10px; }

/* ---------- home ---------- */

.create-row { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.create-row .field.grow { flex: 1; min-width: 220px; }
.home-h { margin: 24px 0 10px; font-size: 0.95rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.6px; font-family: var(--font-display); font-weight: 600; }
.t-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.t-card {
  background: var(--card2); border: 1px solid var(--line); border-radius: var(--r-md);
  padding: 14px; cursor: pointer; transition: border-color 0.15s, transform 0.1s;
}
.t-card:hover { border-color: var(--accent-dark); transform: translateY(-1px); }
.t-card-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.t-card-name { font-weight: 700; font-size: 1rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.t-card-sub { color: var(--muted); font-size: 0.8rem; margin-top: 6px; }

/* ---------- tournament header ---------- */

.t-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.t-head h2 { margin: 4px 0 8px; font-family: var(--font-display); font-weight: 600; font-size: 1.35rem; }
.t-head-sub { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.back-link { color: var(--muted); font-size: 0.82rem; text-decoration: none; }
.back-link:hover { color: var(--accent); }

/* ---------- invite box ---------- */

.invite-box { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; background: var(--card2); border: 1px solid var(--line); border-radius: var(--r-md); padding: 14px; }
.qr-wrap { flex: 0 0 auto; background: #fff; border-radius: var(--r-sm); padding: 6px; }
.qr-wrap img { display: block; width: 150px; height: 150px; }
.invite-info { flex: 1; min-width: 240px; }
.invite-info label { font-size: 0.76rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; display: block; margin-bottom: 6px; }
.invite-row { display: flex; gap: 8px; }
.invite-row input {
  flex: 1; background: #0a1512; color: var(--text); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: 9px 10px; font-size: 0.85rem; font-family: var(--font-body);
}

/* ---------- player view ---------- */

.next-game { border-color: var(--accent); background: rgba(240, 180, 41, 0.06); }
.next-game h2 { color: var(--accent); }
.ng-time { font-family: var(--font-display); font-size: 1.8rem; font-weight: 600; margin: 6px 0; }
.ng-time .muted { font-size: 0.95rem; font-weight: 500; font-family: var(--font-body); }
.ng-vs { font-size: 1.05rem; font-weight: 600; }
.ng-vs-x { color: var(--muted); font-weight: 400; margin: 0 8px; }
.set-num { font-family: var(--font-display); font-size: 0.88rem; font-variant-numeric: tabular-nums; }

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .grid2 { grid-template-columns: 1fr; }
  .mode-cards { grid-template-columns: 1fr; }
  .tabs { margin-left: 0; order: 3; width: 100%; justify-content: space-between; }
  .tab { padding: 7px 10px; font-size: 0.82rem; }
}

/* ---------- print ---------- */

@media print {
  body { background: #fff; color: #111; }
  .no-print, #screen-auth, #screen-home, #tab-setup, #tab-groups, #tab-bracket, #playerView { display: none !important; }
  #screen-tournament { display: block !important; }
  #tab-schedule { display: block !important; }
  main { max-width: 100%; padding: 0; }
  .card { border: none; background: #fff; padding: 0; box-shadow: none; }
  .card::before { display: none; }
  .card h2 { color: #111; }
  .slot-time { color: #111; background: none; border: none; }
  .match, .set-chip, .slot-break, .plan-banner { border-color: #bbb; background: #fff; }
  .m-name, .m-stage, .m-winner, .slot-sub, .plan-banner { color: #333; }
  .m-name.win, .m-winner b { color: #111; }
  .add-set, .set-x, .undo { display: none; }
  .set-chip input { border: none; }
  .slot { page-break-inside: avoid; }
}