/* ---------- tokens ---------- */
:root {
  --bg: #07070d;
  --panel: rgba(255, 255, 255, .045);
  --panel-2: rgba(255, 255, 255, .075);
  --stroke: rgba(255, 255, 255, .1);
  --stroke-2: rgba(255, 255, 255, .18);
  --txt: #f2f3f8;
  --txt-dim: #a2a6bb;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --ok: #22c55e;
  --bad: #f43f5e;
  --r: 18px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body { height: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--txt);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* aurora de fundo */
body::before {
  content: "";
  position: fixed;
  inset: -30%;
  z-index: -2;
  background:
    radial-gradient(46% 40% at 18% 12%, rgba(124, 92, 255, .34), transparent 60%),
    radial-gradient(40% 38% at 84% 20%, rgba(34, 211, 238, .22), transparent 62%),
    radial-gradient(48% 44% at 60% 96%, rgba(244, 63, 94, .16), transparent 60%);
  filter: blur(30px);
  animation: drift 22s ease-in-out infinite alternate;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 20%, transparent 78%);
}
@keyframes drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(3%, 2%, 0) scale(1.08); }
}

/* ---------- estrutura ---------- */
.wrap {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: clamp(16px, 3vw, 32px);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.center { justify-content: center; align-items: center; }

.screen { display: none; animation: rise .38s cubic-bezier(.2, .8, .3, 1); width: 100%; }
.screen.on { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--r);
  padding: clamp(18px, 2.6vw, 30px);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.brand { display: flex; align-items: center; gap: 12px; justify-content: center; }
.brand .dot {
  width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center;
  font-size: 20px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 26px rgba(124, 92, 255, .5);
}
.brand h1 { font-size: clamp(19px, 2.4vw, 26px); font-weight: 800; letter-spacing: -.02em; }
.brand small { display: block; font-weight: 500; color: var(--txt-dim); font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; }

h2 { font-size: clamp(20px, 2.6vw, 28px); font-weight: 800; letter-spacing: -.02em; }
.muted { color: var(--txt-dim); font-size: 14.5px; line-height: 1.55; }

/* ---------- form ---------- */
label { display: block; font-size: 12.5px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--txt-dim); margin-bottom: 8px; }

input {
  width: 100%;
  background: rgba(0, 0, 0, .3);
  border: 1.5px solid var(--stroke-2);
  border-radius: 14px;
  color: var(--txt);
  font: inherit;
  font-size: 16px;
  padding: 15px 16px;
  transition: border-color .18s, box-shadow .18s;
}
input:focus { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(124, 92, 255, .2); }
input.code-input { text-transform: uppercase; letter-spacing: .5em; text-align: center; font-weight: 800; font-size: 26px; padding-left: .5em; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  width: 100%;
  border: 0; border-radius: 14px;
  font: inherit; font-size: 16px; font-weight: 700;
  padding: 15px 20px;
  color: #fff; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #5b8cff);
  box-shadow: 0 10px 28px rgba(124, 92, 255, .38);
  transition: transform .14s, filter .18s, box-shadow .18s;
}
.btn:hover { filter: brightness(1.09); transform: translateY(-1px); }
.btn:active { transform: translateY(1px) scale(.99); }
.btn[disabled] { opacity: .45; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.ghost { background: var(--panel-2); border: 1px solid var(--stroke-2); box-shadow: none; }
.btn.slim { width: auto; padding: 11px 18px; font-size: 14px; }

.err { color: #ffb4c0; background: rgba(244, 63, 94, .12); border: 1px solid rgba(244, 63, 94, .35); padding: 11px 14px; border-radius: 12px; font-size: 14px; }
.err:empty { display: none; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.stack { display: grid; gap: 14px; }

/* ---------- chips / equipes ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel-2); border: 1px solid var(--stroke);
  border-radius: 999px; padding: 8px 14px; font-size: 14px; font-weight: 600;
}

.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.team {
  --c: var(--accent);
  position: relative; overflow: hidden; cursor: pointer; text-align: left;
  background: var(--panel); border: 1.5px solid var(--stroke); border-radius: 16px;
  padding: 15px; color: var(--txt); font: inherit;
  transition: transform .16s, border-color .16s, background .16s;
}
.team::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--c); }
.team:hover { transform: translateY(-2px); border-color: var(--c); }
.team.mine { border-color: var(--c); background: color-mix(in srgb, var(--c) 14%, transparent); }
.team .t-name { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 16px; }
.team .t-meta { color: var(--txt-dim); font-size: 12.5px; margin-top: 6px; }
.team .t-score { font-size: 22px; font-weight: 800; color: var(--c); }

/* ---------- alternativas ---------- */
.opts { display: grid; gap: 12px; }
.opts.duo { grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .opts.duo { grid-template-columns: 1fr; } }

.opt {
  --c: #7c5cff;
  display: flex; align-items: center; gap: 14px; text-align: left;
  border: 0; border-radius: 16px; cursor: pointer;
  font: inherit; font-size: clamp(15px, 1.5vw, 18px); font-weight: 650; color: #fff;
  padding: clamp(16px, 2vw, 22px);
  background: linear-gradient(140deg, var(--c), color-mix(in srgb, var(--c) 62%, #000));
  box-shadow: 0 10px 26px color-mix(in srgb, var(--c) 32%, transparent);
  transition: transform .14s, filter .16s, opacity .22s;
  min-height: 74px;
}
.opt:hover:not(:disabled) { transform: translateY(-2px) scale(1.01); filter: brightness(1.08); }
.opt:disabled { cursor: default; }
.opt .glyph { flex: 0 0 34px; height: 34px; display: grid; place-items: center; background: rgba(0, 0, 0, .22); border-radius: 10px; font-size: 15px; }
.opt.dim { opacity: .3; filter: grayscale(.6); }
.opt.right { outline: 3px solid #fff; outline-offset: 3px; animation: pop .45s cubic-bezier(.2, 1.4, .4, 1); }
.opt.chosen { outline: 3px dashed rgba(255, 255, 255, .85); outline-offset: 3px; }
@keyframes pop { 0% { transform: scale(1); } 45% { transform: scale(1.045); } 100% { transform: scale(1); } }

/* ---------- timer ---------- */
.timer-bar { height: 10px; border-radius: 99px; background: rgba(255, 255, 255, .09); overflow: hidden; }
.timer-bar > i { display: block; height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent-2), var(--accent)); transition: width .25s linear; }
.timer-bar.warn > i { background: linear-gradient(90deg, #fbbf24, var(--bad)); }

.qtag { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--txt-dim); }

.qtext { font-size: clamp(19px, 3.1vw, 38px); font-weight: 800; line-height: 1.28; letter-spacing: -.02em; }

/* ---------- ranking ---------- */
.rank { display: grid; gap: 8px; }
.rank-row {
  display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 12px;
  background: var(--panel); border: 1px solid var(--stroke); border-radius: 13px; padding: 11px 14px;
  animation: rise .3s both;
}
.rank-row .pos { font-weight: 800; color: var(--txt-dim); text-align: center; }
.rank-row.top1 { border-color: rgba(251, 191, 36, .5); background: rgba(251, 191, 36, .1); }
.rank-row.top1 .pos { color: #fbbf24; }
.rank-row .val { font-weight: 800; font-variant-numeric: tabular-nums; }
.rank-row .who { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-row .sub { color: var(--txt-dim); font-size: 12px; font-weight: 500; }

.bar { height: 8px; background: rgba(255, 255, 255, .09); border-radius: 99px; overflow: hidden; margin-top: 7px; }
.bar > i { display: block; height: 100%; background: var(--c, var(--accent)); transition: width .5s cubic-bezier(.2, .8, .3, 1); }

.big-num { font-size: clamp(30px, 5vw, 56px); font-weight: 900; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }

.pill-ok { color: var(--ok); }
.pill-bad { color: var(--bad); }

.explain {
  border-left: 3px solid var(--accent-2);
  background: rgba(34, 211, 238, .08);
  border-radius: 0 12px 12px 0;
  padding: 13px 16px;
  font-size: 15px; line-height: 1.6;
}

.grid-2 { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; align-items: start; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

.hidden { display: none !important; }