/* ── Reset ────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
}
body {
  background: #0d1117;
  font-family:
    -apple-system, 'Hiragino Sans', 'Noto Sans JP', 'Noto Sans KR',
    'Noto Sans SC', system-ui, sans-serif;
  color: #e6edf3;
}
button,
select,
input {
  font-family: inherit;
}

/* Prevent accidental text selection during interaction */
* {
  user-select: none;
  -webkit-user-select: none;
}
input,
textarea,
select {
  user-select: text;
  -webkit-user-select: text;
}

/* ── Design tokens ──────────────────────────────────────────────── */
:root {
  --row-pl: 14px;
  --row-pr: 14px;
  --bar-slot: 3px;
  --rot-sign: 10px;
  --bar-w: 3px;
  --cb-w: 26px;
  --cb-gap: 8px; /* gap between checkbox and adjacent content */
  --slot-gap: 8px; /* general gap between slots */
  --row-gap: 5px;
  --page-m: 12px;
  --card-border: 2px;

  --type-daily: #58a6ff;
  --type-weekly: #bc8cff;
  --type-monthly: #ff7b72;
  --type-halfmonthly: #ffa657;

  --bg-app: #0d1117;
  --bg-card: rgba(22, 27, 34, 0.85);
  --bg-surface: #161b22;
  --bg-header: rgba(22, 27, 34, 0.95);
  --bg-input: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --dim: #ccd0d5;
  --link: #58a6ff;
  --purple: #bc8cff;
  --green: #3fb950;
  --danger: #f85149;
  --warn: #e3b341;
  --checked-bg: #1a7f37;
  --checked-br: #2ea043;

  --prev-done: #2ea043;
  --prev-partial: #e3b341;
  --prev-miss: #6e3535;

  --cd-urgent: #ff7474;
  --cd-warn: #ffd600;
  --cd-ok: #ccd0d5;
}

/* ── Scrollbar ───────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 5px;
}
::-webkit-scrollbar-track {
  background: var(--bg-surface);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
}

/* ── View Transitions (must be global for ::view-transition-*) ───── */
@media (prefers-reduced-motion: no-preference) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
  }
  ::view-transition-old(game-card-move),
  ::view-transition-new(game-card-move) {
    animation-duration: 0.35s;
    animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  }
}