:root {
  color-scheme: light;
  --bg: #f7f3ef;
  --bg-strong: #efe7df;
  --ink: #1d1a17;
  --muted: #5b534a;
  --accent: #ff5e3a;
  --accent-2: #0f766e;
  --card: #ffffff;
  --line: rgba(29, 26, 23, 0.12);
  --shadow: 0 20px 50px rgba(29, 26, 23, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top left, #fff2e8 0%, transparent 55%),
    radial-gradient(circle at 20% 30%, rgba(255, 94, 58, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 90% 10%, rgba(15, 118, 110, 0.2) 0%, transparent 45%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-strong) 100%);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  position: sticky;
  top: 0;
  background: rgba(247, 243, 239, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}

.home {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 14px;
  border: 1px solid rgba(29, 26, 23, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.home:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(29, 26, 23, 0.12);
}

.brand {
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-2);
  font-size: 12px;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 20px 80px;
}

.hero {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.65));
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 10px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
}

.sub {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 12px 28px rgba(29, 26, 23, 0.08);
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.row.space {
  justify-content: space-between;
}

.row.timer-row {
  margin-top: 0;
}

.label {
  display: grid;
  gap: 8px;
  flex: 1;
  min-width: 240px;
  color: var(--muted);
  font-size: 14px;
}

.input,
.select {
  width: 100%;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--ink);
  outline: none;
  font-family: inherit;
}

.input:focus,
.select:focus {
  border-color: rgba(255, 94, 58, 0.5);
  box-shadow: 0 0 0 3px rgba(255, 94, 58, 0.15);
}

.btn {
  border: none;
  background: rgba(29, 26, 23, 0.08);
  color: var(--ink);
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 24px rgba(255, 94, 58, 0.28);
}

.btn:hover,
.ghost:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(29, 26, 23, 0.12);
}

.ghost {
  border: 1px solid rgba(29, 26, 23, 0.18);
  padding: 10px 16px;
  border-radius: 999px;
  background: transparent;
  font-weight: 600;
  cursor: pointer;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.sep {
  border: none;
  border-top: 1px solid var(--line);
  margin: 12px 0;
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 94, 58, 0.08);
  border: 1px solid rgba(255, 94, 58, 0.18);
  font-weight: 600;
}

.chip button {
  background: transparent;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.kicker {
  color: var(--accent-2);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(29, 26, 23, 0.06);
  font-weight: 600;
  color: var(--muted);
}

#turnTimer {
  color: var(--accent);
  border-color: rgba(255, 94, 58, 0.3);
  background: rgba(255, 94, 58, 0.12);
}

.box {
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(247, 243, 239, 0.7);
  display: grid;
  gap: 10px;
}

.bullets {
  margin: 0;
  padding-left: 18px;
  color: var(--ink);
}

.bullets li {
  margin: 6px 0;
}

.choices {
  display: grid;
  gap: 10px;
}

.choice {
  text-align: left;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px solid var(--line);
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.choice.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

.picked {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(15, 118, 110, 0.3);
  background: rgba(15, 118, 110, 0.1);
  font-weight: 600;
  color: var(--accent-2);
}

.grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
}

.cell {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 700;
  font-size: 18px;
  cursor: pointer;
  user-select: none;
}

.cell.empty {
  color: rgba(29, 26, 23, 0.35);
}

.cell.zero {
  border-color: rgba(29, 26, 23, 0.3);
}

.cell.one {
  border-color: rgba(29, 26, 23, 0.3);
}

.hidden {
  display: none !important;
}

.cover,
.modal {
  position: fixed;
  inset: 0;
  background: rgba(29, 26, 23, 0.35);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

.modal {
  z-index: 60;
}

.coverCard,
.modalCard {
  width: min(760px, 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: #fff;
  box-shadow: 0 24px 60px rgba(29, 26, 23, 0.2);
  padding: 24px;
  display: grid;
  gap: 12px;
}

.sub2 {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.answer {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.bit {
  min-width: 34px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(29, 26, 23, 0.04);
  text-align: center;
  font-weight: 700;
}

.bit.one {
  border-color: rgba(15, 118, 110, 0.4);
}

.bit.zero {
  border-color: rgba(15, 118, 110, 0.4);
}

.scoreboard {
  display: grid;
  gap: 10px;
  max-height: 48vh;
  overflow: auto;
  padding-right: 6px;
}

.rowScore {
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(247, 243, 239, 0.7);
}

.rowScore .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-weight: 700;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: rgba(29, 26, 23, 0.05);
}

.badge.win {
  border-color: rgba(15, 118, 110, 0.4);
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-2);
}

.mini {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.mini span {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-weight: 700;
  font-size: 12px;
}

.mini .ok {
  border-color: rgba(15, 118, 110, 0.45);
  background: rgba(15, 118, 110, 0.16);
  color: #0b5d58;
}

.mini .no {
  border-color: rgba(255, 94, 58, 0.45);
  background: rgba(255, 94, 58, 0.16);
  color: #c33a20;
}

@media (max-width: 720px) {
  .topbar {
    padding: 14px 16px;
  }

  .wrap {
    padding: 20px 16px 64px;
  }

  .hero {
    padding: 24px;
  }

  .grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .btn,
  .ghost {
    width: 100%;
    justify-content: center;
  }
}