:root {
  --bg: #0d0d0f;
  --surface: #17171b;
  --surface-2: #212127;
  --line: #2e2e36;
  --text: #f3f1ea;
  --muted: #9a98a3;
  --accent: #ff3b30;
  --accent-soft: rgba(255, 59, 48, 0.16);
  --win: #ffd23f;
  --ok: #3ddc84;
  --radius: 14px;
  --font-display: "Black Han Sans", "Noto Sans KR", sans-serif;
  --font-body: "Noto Sans KR", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100dvh;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(255, 59, 48, 0.12), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.app {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 16px 64px;
}

.screen { display: none; }
.screen.is-active { display: block; animation: rise 0.35s ease-out; }

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 타이포 ---------- */
.eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(56px, 14vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.01em;
}
.title span { color: var(--accent); }

.lead { color: var(--muted); font-size: 17px; margin: 20px 0 0; }
.lead strong { color: var(--text); }

/* ---------- 폼/버튼 ---------- */
.start-form {
  margin-top: 36px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.start-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row.center { justify-content: center; margin-top: 28px; }

input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 14px 16px;
  font: inherit;
  font-size: 17px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.btn {
  padding: 14px 22px;
  font: inherit;
  font-weight: 700;
  font-size: 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s, background 0.15s;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: progress; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #ff5147; }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--line); }
.btn-ghost:hover { color: var(--text); background: var(--surface-2); }

.hint { margin: 12px 0 0; font-size: 13px; color: var(--muted); }
.error { margin: 10px 0 0; color: var(--accent); font-size: 14px; min-height: 1em; }
.error:empty { display: none; }

/* ---------- 랭킹 ---------- */
.board { margin-top: 36px; }
.board-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.board-head h2 { margin: 0; font-family: var(--font-display); font-weight: 400; font-size: 26px; }
.badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.badge:empty { display: none; }

.board-list { list-style: none; margin: 0; padding: 0; counter-reset: rank; }
.board-list li {
  counter-increment: rank;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.board-list li::before {
  content: counter(rank);
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--muted);
}
.board-list li:nth-child(1)::before { color: var(--win); }
.board-list li .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-list li .time { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.board-list li .time.beat { color: var(--win); }
.board-list li.is-me { background: var(--accent-soft); border-radius: 8px; }
.board-list li.is-owner .name::after { content: " · 제작자 기록"; color: var(--muted); font-size: 12px; }
.board-list .empty { display: block; color: var(--muted); text-align: center; padding: 20px; }
.board-list .empty::before { content: none; }

/* ---------- 게임 ---------- */
.arena {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.fighter {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
}
.fighter img, .fighter video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.fighter video { transform: scaleX(-1); }
.fighter figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 24px 12px 10px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  font-weight: 700;
  font-size: 14px;
}
.placeholder {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  font-size: 72px;
}
.opponent.no-photo img { display: none; }
.opponent.no-photo .placeholder { display: grid; }

.versus {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--accent);
}

.eye-state {
  position: absolute;
  top: 10px; left: 10px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(0, 0, 0, 0.6);
  color: var(--muted);
}
.eye-state.open { color: var(--ok); }
.eye-state.warn { color: var(--accent); }

.player.is-playing { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }

.hud { margin-top: 20px; text-align: center; }
.status { color: var(--muted); min-height: 1.6em; }
.status.big { color: var(--text); font-family: var(--font-display); font-size: 28px; }

.timer {
  font-size: clamp(56px, 16vw, 104px);
  font-weight: 700;
  line-height: 1.05;
  margin: 4px 0 16px;
}
.timer.beat { color: var(--win); text-shadow: 0 0 32px rgba(255, 210, 63, 0.35); }

.progress {
  position: relative;
  height: 10px;
  margin: 0 0 30px;
  background: var(--surface-2);
  border-radius: 999px;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: inherit;
}
.progress-fill.beat { background: var(--win); }
/* 상대 기록 위치: 트랙의 80% 지점 = 1:20, 끝 = 1:40 */
.progress-mark {
  position: absolute;
  top: -4px; bottom: -4px;
  left: 80%;
  width: 2px;
  background: var(--text);
}
.progress-mark span {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-size: 11px;
  color: var(--muted);
}

.meter {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 360px;
  margin: 0 auto 20px;
  font-size: 12px;
  color: var(--muted);
}
.meter-bar { position: relative; flex: 1; height: 6px; background: var(--surface-2); border-radius: 999px; overflow: hidden; }
.meter-fill { height: 100%; width: 0; background: var(--ok); }
.meter-fill.warn { background: var(--accent); }
.meter-threshold { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--text); left: 50%; }

/* ---------- 결과 ---------- */
#screen-result { text-align: center; }
#result-eyebrow { font-family: var(--font-body); font-size: 15px; font-weight: 700; letter-spacing: 0; }
.result-title { font-size: clamp(48px, 12vw, 96px); }
.result-title.win { color: var(--win); }
.result-time { font-size: 40px; font-weight: 700; margin: 12px 0 0; }
#screen-result .board { text-align: left; }

body.flash { animation: flash 0.5s; }
@keyframes flash {
  0% { box-shadow: inset 0 0 0 100vmax rgba(255, 59, 48, 0.35); }
  100% { box-shadow: inset 0 0 0 100vmax transparent; }
}

@media (max-width: 560px) {
  .app { padding-top: 24px; }
  .arena { grid-template-columns: 1fr 1fr; }
  .versus { display: none; }
  .fighter figcaption { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .screen.is-active, body.flash { animation: none; }
}