/* ERETHEN — typography-first daily puzzle. No photos, no logos, no ads. */
:root {
  color-scheme: light;
  --bg: #f3eee5;
  --bg-2: #fffdf8;
  --ink: #1b1712;
  --muted: #6b6258;
  --line: #e0d6c6;
  --accent: #c45c26;
  --accent-soft: #f4e0d2;
  --ok: #215c40;
  --ok-soft: #d7eee2;
  --bad: #8a332c;
  --bad-soft: #f6ddd9;
  --high: #1e4f78;
  --high-soft: #d7e6f3;
  --low: #8a5a12;
  --low-soft: #f7e7c8;
  --shadow: 0 10px 30px rgba(40, 28, 14, 0.08);
  --radius: 18px;
  --font: "Atkinson Hyperlegible", "Segoe UI", "Helvetica Neue", sans-serif;
  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --tap: 44px;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14110e;
  --bg-2: #1f1b16;
  --ink: #f4ece3;
  --muted: #b3a89b;
  --line: #3a332b;
  --accent: #e08a4f;
  --accent-soft: #3a2618;
  --ok: #8fd9b0;
  --ok-soft: #1b3a2c;
  --bad: #f0a39c;
  --bad-soft: #3a1f1c;
  --high: #8fbee8;
  --high-soft: #1a3044;
  --low: #f0c782;
  --low-soft: #3a2c14;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { background: var(--bg); }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 50% -120px, var(--accent-soft), transparent 60%),
    var(--bg);
  color: var(--ink);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button, input { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }

.app {
  width: min(42rem, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 0.5rem 0 4rem;
  min-height: 100%;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.7rem 0.15rem 0.85rem;
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(12px);
}
.brand {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.logo {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: 0.08em;
  line-height: 1;
}
.puzzle-no {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  margin-top: 0.2rem;
}
.tools { display: flex; gap: 0.3rem; }
.icon-btn {
  width: var(--tap);
  height: var(--tap);
  border: 1px solid var(--line);
  background: var(--bg-2);
  border-radius: 12px;
  display: grid;
  place-items: center;
  box-shadow: none;
}
.icon-btn:hover, .icon-btn:focus-visible { border-color: var(--accent); outline: none; }
.icon-btn svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.lede {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  line-height: 1.2;
  margin: 0.2rem 0 1.1rem;
  letter-spacing: -0.02em;
}
.lede em { font-style: italic; color: var(--accent); font-weight: 600; }

.cards {
  display: grid;
  gap: 0.8rem;
}
.event-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.05rem 1rem;
  text-align: left;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  width: 100%;
  min-height: 5.5rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}
.event-card:not(:disabled):hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--accent) 50%, var(--line)); }
.event-card:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 50%, transparent); outline-offset: 2px; }
.event-card:disabled { cursor: default; }
.event-card[data-state="picked"] { border-color: var(--accent); }
.event-card[data-state="correct"] { border-color: var(--ok); background: var(--ok-soft); }
.event-card[data-state="wrong"] { border-color: var(--bad); background: var(--bad-soft); }
.event-card .icon {
  font-size: 1.85rem;
  line-height: 1;
  width: 2.2rem;
  text-align: center;
  flex: 0 0 auto;
  filter: saturate(0.9);
}
.event-card .label {
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.step-kicker {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 700;
  margin: 0 0 0.45rem;
}

.feedback {
  margin: 0.9rem 0 0.2rem;
  font-weight: 700;
  min-height: 1.4em;
}
.feedback.ok { color: var(--ok); }
.feedback.bad { color: var(--bad); }

.gap-panel { margin-top: 1.25rem; animation: rise 0.4s ease; }
.hint {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 0.85rem;
}
.guess-row {
  display: flex;
  gap: 0.55rem;
}
.guess-row input[type="number"] {
  flex: 1;
  min-height: var(--tap);
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  padding: 0.7rem 0.9rem;
  font-size: 1.2rem;
  font-variant-numeric: tabular-nums;
}
.guess-row input:focus { outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent); border-color: var(--accent); }
.primary, .secondary {
  min-height: var(--tap);
  border-radius: 14px;
  padding: 0.7rem 1rem;
  font-weight: 700;
  border: 1px solid transparent;
}
.primary { background: var(--ink); color: var(--bg); }
[data-theme="dark"] .primary { color: #14110e; background: #f4ece3; }
.primary:hover { filter: brightness(1.08); }
.primary:disabled { opacity: 0.45; cursor: not-allowed; }
.secondary { background: var(--bg-2); border-color: var(--line); }
.secondary:hover { border-color: var(--accent); }
.share-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.9rem; }

.guess-list { list-style: none; margin: 0.9rem 0 0; padding: 0; display: grid; gap: 0.4rem; }
.guess-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.45rem 0.7rem;
  animation: pop 0.25s ease;
}
.guess-list .sym { font-size: 1.15rem; width: 1.6rem; text-align: center; }
.guess-list[data-tone="high"] li:last-child, .chip.high { background: var(--high-soft); border-color: color-mix(in srgb, var(--high) 35%, var(--line)); }
.guess-item.high { background: var(--high-soft); }
.guess-item.low { background: var(--low-soft); }
.guess-item.win { background: var(--ok-soft); }
.remain { color: var(--muted); font-size: 0.85rem; margin-top: 0.55rem; }

.reveal { margin-top: 1.3rem; animation: rise 0.45s ease; }
.reveal-dates {
  display: grid;
  gap: 0.7rem;
  margin: 0.7rem 0 1rem;
}
.reveal-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem 1rem;
}
.reveal-card .when {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0.15rem 0 0.35rem;
}
.sources { font-size: 0.85rem; color: var(--muted); }
.sources a { margin-right: 0.7rem; }
.gap-hero {
  text-align: center;
  padding: 1rem 0.5rem 0.4rem;
}
.gap-hero .num {
  font-family: var(--display);
  font-size: clamp(2.8rem, 12vw, 4.4rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}
.gap-hero .unit { color: var(--muted); font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.8rem; }
.fact {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  margin: 0.6rem 0 0.2rem;
  font-size: 1.02rem;
}
.fact strong { font-family: var(--display); }

.share-card {
  margin-top: 1rem;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1rem 1rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.share-card pre {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.15rem;
  line-height: 1.45;
  margin: 0.2rem 0 0;
  white-space: pre-wrap;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.3rem;
  transform: translateX(-50%) translateY(8px);
  background: var(--ink);
  color: var(--bg);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s ease;
  z-index: 20;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

.overlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, #000 45%, transparent);
  display: grid;
  place-items: end center;
  z-index: 15;
  padding: 0.8rem;
}
.modal {
  width: min(36rem, 100%);
  background: var(--bg-2);
  color: var(--ink);
  border-radius: 22px 22px 16px 16px;
  padding: 1.2rem 1.15rem 1.3rem;
  max-height: min(88vh, 40rem);
  overflow: auto;
  animation: rise 0.28s ease;
  box-shadow: var(--shadow);
}
.modal h2 { font-family: var(--display); margin: 0 0 0.7rem; font-size: 1.55rem; }
.modal ol, .modal ul { padding-left: 1.2rem; }
.modal li { margin: 0.35rem 0; }
.legend { display: grid; gap: 0.25rem; margin: 0.7rem 0; }
.archive-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.4rem; }
.archive-list button { width: 100%; text-align: left; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.45rem; margin: 0.6rem 0 1rem; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: 0.55rem 0.3rem; text-align: center; }
.stat b { display: block; font-family: var(--display); font-size: 1.4rem; line-height: 1; }
.stat span { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.bars { display: grid; gap: 0.25rem; }
.bar { display: grid; grid-template-columns: 1.4rem 1fr 2rem; gap: 0.4rem; align-items: center; font-variant-numeric: tabular-nums; }
.bar i { display: block; height: 0.7rem; background: var(--ok); border-radius: 99px; min-width: 0; }

.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@keyframes pop {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: none; }
}
@keyframes shake {
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}
.shake { animation: shake 0.32s ease; }

@media (min-width: 720px) {
  .overlay { place-items: center; }
  .modal { border-radius: 22px; }
  .cards { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}