:root {
  --bg: #fbf8f4;
  --card: #ffffff;
  --ink: #1d1a22;
  --muted: #726b7a;
  --line: #e7e1d9;
  --accent: #ff7a45;
  --accent-ink: #ffffff;
  --win: #3fae5b;
  --close: #e9b824;
  --near: #f08a24;
  --far: #e0483e;
  --gold: #c8920d;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16131c;
    --card: #211d29;
    --ink: #eeeaf2;
    --muted: #a49cad;
    --line: #353040;
    --accent: #ff8a5c;
    --gold: #f2c14e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  padding-top: max(10px, env(safe-area-inset-top));
}

.brand { display: flex; align-items: center; gap: 8px; }

.mark {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  font-size: 15px;
  border-radius: 7px;
  padding: 2px 6px;
}

.name { font-weight: 800; font-size: 22px; letter-spacing: -0.02em; }

.right { display: flex; gap: 4px; }

.icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  font-weight: 700;
}

main {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 18px 16px 10px;
  flex: 1;
}

.day { margin: 0; color: var(--muted); font-size: 14px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }

.question {
  font-size: clamp(24px, 6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 6px 0 18px;
}

.guess { display: flex; gap: 8px; }

.field {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 0 12px;
  min-width: 0;
}

.field:focus-within { border-color: var(--accent); }

.field input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 600 20px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  padding: 13px 0;
  outline: none;
}

.unit { color: var(--muted); font-weight: 600; margin-left: 8px; white-space: nowrap; }

#guess-btn {
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  padding: 0 20px;
}

#guess-btn:disabled { opacity: 0.5; cursor: default; }

.reading { margin: 8px 2px 0; min-height: 1.5em; color: var(--muted); font-size: 15px; }
.reading.ok { color: var(--ink); }
.reading.bad { color: var(--far); }

.words { display: flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 4px; }

.words button {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 14px;
}

.line { width: 100%; height: auto; margin: 14px 0 4px; overflow: visible; }
.line .axis { stroke: var(--line); stroke-width: 2; }
.line .tick { fill: var(--muted); font-size: 11px; text-anchor: middle; font-family: inherit; }
.line .answer-mark { stroke: var(--gold); stroke-width: 3; }
.line .answer-label { fill: var(--gold); font-size: 12px; font-weight: 700; text-anchor: middle; }

.guesses { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }

.guesses li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 12px;
  animation: pop 220ms ease-out;
}

.guesses .badge { grid-row: span 2; font-size: 22px; }
.guesses .value { font-weight: 700; }
.guesses .hint { color: var(--muted); font-size: 14px; }

@keyframes pop {
  from { transform: scale(0.96); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.left { color: var(--muted); font-size: 14px; margin: 10px 2px; }

.result {
  margin-top: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.verdict { margin: 0; font-weight: 800; font-size: 20px; }
.answer { margin: 4px 0 8px; font-size: 26px; font-weight: 800; color: var(--gold); }
.note { margin: 0 0 8px; }
.source { margin: 0 0 14px; font-size: 14px; color: var(--muted); }

.share-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

#share {
  border: 0;
  border-radius: 12px;
  background: var(--win);
  color: white;
  font-weight: 700;
  padding: 11px 26px;
}

.next { color: var(--muted); font-size: 14px; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 14px 16px calc(18px + env(safe-area-inset-bottom));
}

dialog {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  color: var(--ink);
  width: min(440px, calc(100vw - 32px));
  padding: 20px;
}

dialog::backdrop { background: rgb(0 0 0 / 0.45); }
dialog h2 { margin: 0 0 10px; }
dialog h3 { margin: 16px 0 8px; font-size: 15px; }
dialog p { margin: 0 0 10px; }
.muted { color: var(--muted); font-size: 14px; }

.legend { list-style: none; padding: 0; margin: 0 0 12px; display: grid; gap: 4px; }
.legend span { display: inline-block; width: 28px; }

code { background: var(--bg); border: 1px solid var(--line); border-radius: 5px; padding: 0 4px; font-size: 14px; }

.close {
  width: 100%;
  margin-top: 14px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  padding: 11px;
}

.numbers { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.numbers b { display: block; font-size: 28px; }
.numbers span { font-size: 12px; color: var(--muted); }

.spread { display: grid; gap: 4px; }
.spread div { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.spread i { display: block; background: var(--muted); color: white; font-style: normal; text-align: right; padding: 0 6px; border-radius: 4px; min-width: 22px; }
.spread i.today { background: var(--win); }

.days { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 6px; max-height: 50vh; overflow: auto; }
.days a {
  display: block;
  text-align: center;
  padding: 8px 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}
.days a.won { border-color: var(--win); }
.days a.lost { border-color: var(--far); }
.days small { display: block; font-size: 16px; line-height: 1; }

.toast {
  position: fixed;
  left: 50%;
  top: 70px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  z-index: 10;
}