:root {
  color-scheme: dark;
  --bg: #060606;
  --fg: #f7f7f7;
  --muted: #8d8d8d;
  --accent-yellow: #ffcc33;
  --accent-white: #f5f5f5;
  --accent-border: #ff4d4f;
  --card-radius: 18px;
  font-family: 'Spoqa Han Sans Neo', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #1c1c1c 0%, #040404 70%);
  color: var(--fg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  padding-bottom: calc(env(safe-area-inset-bottom, 0) + 1.5rem);
  transition: background 0.2s ease;
}

h1 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  letter-spacing: 0.1em;
  text-align: center;
}

.scoreboard {
  width: min(640px, 100%);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: start;
}

.player-card {
  position: relative;
  border-radius: var(--card-radius);
  padding: 0.8rem;
  display: grid;
  gap: 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.player-card.active {
  border-color: var(--accent-yellow);
  background: linear-gradient(180deg, rgba(255, 204, 51, 0.2), rgba(255, 204, 51, 0.05));
  box-shadow: 0 18px 45px rgba(255, 204, 51, 0.2);
  transform: translateY(-6px);
}

.player-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: clamp(1.1rem, 3vw, 1.3rem);
  font-weight: 600;
}

.player-meta span {
  color: var(--muted);
  font-weight: 500;
  font-size: clamp(0.8rem, 2vw, 0.95rem);
}

.score-display {
  border-radius: 14px;
  padding: 1rem;
  text-align: center;
  background: #fefefe;
  color: #0f0f0f;
  border: 3px solid rgba(0, 0, 0, 0.9);
  box-shadow: inset 0 2px 12px rgba(0, 0, 0, 0.4);
}

.player-card[data-player="left"] .score-display {
  background: var(--accent-yellow);
  color: #050505;
  border-color: rgba(0, 0, 0, 0.75);
}

.player-card[data-player="right"] .score-display {
  background: #fefefe;
  color: #0f0f0f;
}

.score-value {
  display: block;
  font-size: clamp(3rem, 12vw, 4.6rem);
  font-weight: 700;
  line-height: 1.1;
}

.target {
  font-size: clamp(0.9rem, 3vw, 1rem);
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  font-size: clamp(0.75rem, 2.3vw, 0.85rem);
}

.stat {
  padding: 0.65rem 0.45rem;
  text-align: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.stat .label {
  display: block;
  font-size: 0.7em;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  align-items: stretch;
}

.controls button {
  border: none;
  border-radius: 14px;
  padding: clamp(0.6rem, 3vw, 0.8rem);
  font-size: clamp(1rem, 3.5vw, 1.1rem);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.controls button:active {
  transform: scale(0.97);
}

.controls .btn-plus {
  background: linear-gradient(180deg, #1bd96a, #13a94d);
  color: #041404;
  box-shadow: 0 10px 22px rgba(27, 217, 106, 0.35);
}

.controls .btn-minus {
  background: linear-gradient(180deg, #ff6767, #d93c3c);
  color: #fff;
  box-shadow: 0 10px 22px rgba(255, 103, 103, 0.35);
}

.controls .btn-reset {
  background: linear-gradient(180deg, #4f7cff, #2f5ae9);
  color: #fff;
  box-shadow: 0 10px 22px rgba(79, 124, 255, 0.35);
}

.game-actions {
  display: grid;
  gap: 0.8rem;
}

.scoreboard > .game-actions {
  justify-self: center;
  width: 100%;
  max-width: 360px;
  grid-template-columns: 1fr 2fr;
}

.secondary-actions {
  width: min(640px, 100%);
  margin: 0.6rem auto 0;
  grid-template-columns: 1fr;
}

.game-actions button {
  border-radius: 16px;
  border: none;
  padding: clamp(0.8rem, 3.5vw, 1rem);
  font-size: clamp(1.05rem, 3.5vw, 1.2rem);
  font-weight: 600;
  cursor: pointer;
  color: #050505;
  background: var(--accent-yellow);
  box-shadow: 0 12px 28px rgba(255, 204, 51, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.game-actions button.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: var(--fg);
  box-shadow: none;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.game-actions button:active {
  transform: scale(0.97);
}

.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;
}

.run-display {
  border-radius: 14px;
  padding: clamp(0.6rem, 3vw, 0.8rem);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.run-display .label {
  font-size: 0.7em;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.run-display .value {
  font-size: clamp(1.1rem, 3.2vw, 1.4rem);
  font-weight: 600;
}

.scoreboard-meta {
  width: min(640px, 100%);
  margin: 0 auto 0.6rem;
  border-radius: var(--card-radius);
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.meta-block {
  text-align: center;
  padding: 0.6rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.meta-block span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-block strong {
  display: block;
  margin-top: 0.3rem;
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  font-weight: 700;
  color: #f6f6f6;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
}

dialog {
  width: min(420px, 92vw);
  border: none;
  border-radius: 20px;
  padding: 1.4rem;
  background: #111318;
  color: var(--fg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

dialog form {
  display: grid;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

input,
select {
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  color: var(--fg);
  font-size: 1rem;
}

input:focus,
select:focus {
  outline: 2px solid rgba(255, 204, 51, 0.6);
  outline-offset: 2px;
}

dialog button[type="submit"] {
  margin-top: 0.4rem;
  border: none;
  border-radius: 14px;
  padding: 0.85rem;
  font-size: 1rem;
  font-weight: 600;
  background: var(--accent-yellow);
  color: #111;
  cursor: pointer;
}

.hidden {
  display: none !important;
}

footer {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 540px) {
  body {
    gap: 0.8rem;
  }

  .scoreboard {
    gap: 0.8rem;
  }

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

  .player-card {
    padding: 0.7rem;
  }

  .controls {
    grid-template-columns: repeat(3, 1fr);
  }

  .controls .run-display {
    grid-column: auto;
  }

  .game-actions {
    grid-template-columns: 1fr 2fr;
  }

  .scoreboard > .game-actions {
    max-width: 100%;
  }

  .scoreboard-meta {
    padding: 0.5rem;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    align-items: center;
  }

  .meta-block {
    padding: 0.45rem;
  }

  .meta-block span {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
  }

  .meta-block strong {
    margin-top: 0.15rem;
    font-size: clamp(1.05rem, 4vw, 1.2rem);
  }

  .score-display {
    padding: 0.7rem;
  }

  .score-value {
    font-size: clamp(2.6rem, 11vw, 3.6rem);
  }

  .controls button {
    padding: 0.55rem;
    font-size: clamp(0.95rem, 3.2vw, 1.05rem);
  }

  .run-display {
    padding: 0.5rem;
  }

  .game-actions button {
    padding: 0.7rem;
    font-size: clamp(0.95rem, 3.2vw, 1.05rem);
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  body {
    padding: 0.7rem;
    gap: 0.6rem;
  }

  .scoreboard {
    width: min(720px, 100%);
    grid-template-columns: minmax(0, 1fr) minmax(160px, 0.6fr) minmax(0, 1fr);
    gap: 0.8rem;
  }

  .scoreboard-meta {
    width: min(720px, 100%);
    margin-bottom: 0.4rem;
    gap: 0.6rem;
  }

  .player-card {
    padding: 0.6rem;
  }
}

@media (min-width: 720px) {
  .scoreboard {
    grid-template-columns: minmax(0, 1fr) minmax(200px, 0.5fr) minmax(0, 1fr);
    gap: 1.2rem;
  }

  .scoreboard-meta {
    width: min(720px, 100%);
    margin-bottom: 0.8rem;
    gap: 0.8rem;
  }
}