/* Engine base styles. Each game re-skins by overriding the tokens in :root
   (and adding its own mechanic styles). Keep layout mobile-first: 16px gutters. */
:root {
  --bg: #111;
  --surface: #1c1c1c;
  --ink: #f4f1ea;
  --muted: #9a958c;
  --accent: #f2c14e;
  --accent-ink: #111;
  --line: rgba(255, 255, 255, 0.12);
  --radius: 14px;
  --font-display: system-ui, sans-serif;
  --font-body: system-ui, sans-serif;
  --maxw: 520px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
}
button { font: inherit; color: inherit; cursor: pointer; }
main { max-width: var(--maxw); margin: 0 auto; padding: 12px 16px 48px; }

.dg-header {
  display: grid;
  grid-template-columns: 96px 1fr 96px;
  align-items: center;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}
.dg-home { color: var(--muted); text-decoration: none; font-size: 20px; padding: 12px; min-width: 44px; min-height: 44px; display: inline-grid; place-items: center; }
.dg-title { text-align: center; line-height: 1; }
.dg-title .dg-name { margin: 0; font-weight: 800; font-family: var(--font-display); font-size: 26px; letter-spacing: 0.02em; }
.dg-day { font-size: 12px; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.dg-actions { display: flex; gap: 4px; justify-content: flex-end; }
.dg-icon {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line); background: transparent; font-weight: 700;
}

.dg-endbar {
  width: calc(100% - 32px); max-width: calc(var(--maxw) - 32px); margin: 0 auto 24px; padding: 14px 16px;
  display: grid; grid-template-columns: auto 1fr; gap: 10px 14px; align-items: center;
}
.dg-endbar-streak { display: grid; line-height: 1.1; }
.dg-endbar-streak b { font-family: var(--font-display); font-size: 24px; }
.dg-endbar-streak span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.dg-endbar .dg-next { margin: 0; text-align: right; }
.dg-endbar .dg-share { grid-column: 1 / -1; }

/* modal sheet */
.dg-modal {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.55);
  display: grid; place-items: end center;
  opacity: 0; transition: opacity 0.2s;
}
.dg-modal.open { opacity: 1; }
.dg-modal[hidden] { display: none; }
.dg-sheet {
  position: relative; width: 100%; max-width: var(--maxw);
  max-height: 92dvh; overflow: auto;
  background: var(--surface); color: var(--ink);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 28px 20px 32px;
  transform: translateY(24px); transition: transform 0.2s;
}
.dg-modal.open .dg-sheet { transform: none; }
@media (min-width: 600px) {
  .dg-modal { place-items: center; }
  .dg-sheet { border-radius: var(--radius); }
}
.dg-close {
  position: absolute; top: 4px; right: 6px; width: 44px; height: 44px;
  border: 0; background: none; font-size: 28px; color: var(--muted);
}
.dg-sheet h2 { font-family: var(--font-display); margin: 18px 0 10px; font-size: 18px; letter-spacing: 0.04em; }
.dg-sheet h2:first-child { margin-top: 0; }

.dg-verdict { font-family: var(--font-display); font-size: 24px; margin: 0 0 12px; text-align: center; }
.dg-grid {
  font-size: 22px; line-height: 1.25; text-align: center; margin: 14px 0;
  font-family: inherit; white-space: pre-wrap;
}
.dg-share {
  display: block; width: 100%; padding: 14px; border: 0; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font-weight: 800; font-size: 17px; letter-spacing: 0.02em;
}
.dg-share:active { transform: scale(0.98); }
.dg-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; text-align: center; }
.dg-stat b { display: block; font-size: 28px; font-family: var(--font-display); }
.dg-stat span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.dg-dist { margin-top: 14px; display: grid; gap: 4px; }
.dg-bar-row { display: grid; grid-template-columns: 18px 1fr; gap: 6px; align-items: center; font-size: 13px; }
.dg-bar {
  background: var(--line); color: var(--ink); text-align: right;
  padding: 2px 6px; border-radius: 4px; font-weight: 700; min-width: 22px;
}
.dg-bar.mine { background: var(--accent); color: var(--accent-ink); }
.dg-next { text-align: center; color: var(--muted); font-variant-numeric: tabular-nums; margin-top: 18px; }
.dg-archive { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; align-items: center; font-size: 13px; }
.dg-archive span { color: var(--muted); margin-right: 4px; }
.dg-archive a {
  color: var(--ink); text-decoration: none; border: 1px solid var(--line);
  border-radius: 999px; padding: 0 12px; min-height: 44px; display: inline-flex; align-items: center;
}
.dg-archive a.done { opacity: 0.45; }

.dg-toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); z-index: 60; max-width: calc(100vw - 32px); text-align: center;
  transform: translate(-50%, 10px); opacity: 0; pointer-events: none;
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 10px; font-weight: 700; font-size: 14px;
  transition: opacity 0.2s, transform 0.2s;
}
.dg-toast.show { opacity: 1; transform: translate(-50%, 0); }

.dg-help p, .dg-help li { line-height: 1.5; color: var(--ink); }
.dg-help ul { padding-left: 18px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}