/* Rankle — placeholder theme. Every color lives in the tokens below, so a
   new theme mostly means swapping these values and the fonts. */
:root {
  --bg: #f5f2ea;
  --surface: #fffdf8;
  --surface-2: #ece7db;
  --ink: #1d1b18;
  --ink-2: #5d574d;
  --line: #d8d1c2;
  --accent: #e4572e;
  --accent-ink: #ffffff;
  --good: #2f8f5b;
  --good-soft: #dcf0e3;
  --bad: #c43d3d;
  --bad-soft: #f7dede;
  --warn: #b7791f;
  --radius: 14px;
  --shadow: 0 1px 0 rgba(0,0,0,.04), 0 6px 20px -10px rgba(40,30,10,.25);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: ui-serif, Georgia, "Times New Roman", serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #15140f;
    --surface: #1f1d17;
    --surface-2: #2a2720;
    --ink: #f1ece0;
    --ink-2: #b1a996;
    --line: #3a362c;
    --accent: #f06a42;
    --good: #57c286;
    --good-soft: #1d3527;
    --bad: #ef6b6b;
    --bad-soft: #3d1f1f;
    --shadow: 0 1px 0 rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.6);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
    --bg: #15140f;
    --surface: #1f1d17;
    --surface-2: #2a2720;
    --ink: #f1ece0;
    --ink-2: #b1a996;
    --line: #3a362c;
    --accent: #f06a42;
    --good: #57c286;
    --good-soft: #1d3527;
    --bad: #ef6b6b;
    --bad-soft: #3d1f1f;
    --shadow: 0 1px 0 rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.6);
    color-scheme: dark;
  }

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 var(--font);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }
.muted { color: var(--ink-2); }
.loading { text-align: center; color: var(--ink-2); padding: 4rem 0; }

/* Top bar */
.topbar {
  max-width: 680px; margin: 0 auto; padding-block: 14px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
  display: flex; align-items: center; justify-content: space-between;
}
.logo {
  display: flex; align-items: flex-end; gap: 3px;
  background: none; border: 0; padding: 0; cursor: pointer;
}
.logo span {
  display: grid; place-items: center; width: 26px; border-radius: 5px;
  background: var(--ink); color: var(--bg);
  font: 800 15px/1 var(--font); letter-spacing: 0;
}
.logo span:nth-child(1) { height: 24px; }
.logo span:nth-child(2) { height: 27px; }
.logo span:nth-child(3) { height: 30px; }
.logo span:nth-child(4) { height: 33px; background: var(--accent); color: var(--accent-ink); }
.logo span:nth-child(5) { height: 36px; }
.logo span:nth-child(6) { height: 39px; }
.icon-btn {
  background: none; border: 1px solid var(--line); border-radius: 999px;
  padding: 6px 14px; font-size: 14px; cursor: pointer; color: var(--ink-2);
}
.icon-btn:hover { color: var(--ink); border-color: var(--ink-2); }

main { max-width: 680px; margin: 0 auto; padding-block: 8px 64px;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

/* Generic pieces */
.btn {
  appearance: none; border: 1px solid var(--line); background: var(--surface);
  border-radius: 12px; padding: 12px 18px; font-weight: 650; cursor: pointer;
  transition: transform .06s ease, background .15s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:disabled { opacity: .45; cursor: not-allowed; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; }
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px;
}
.eyebrow { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-2); font-weight: 700; }
h1, h2, h3 { line-height: 1.2; margin: 0; }
h2 { font: 700 28px/1.15 var(--font-display); }
h3 { font-size: 15px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }

/* Home */
.hero { text-align: center; padding: 18px 0 22px; }
.hero h1 { font: 700 clamp(28px, 6vw, 40px)/1.1 var(--font-display); }
.hero p { color: var(--ink-2); margin: 10px auto 0; max-width: 30em; }
.daily { display: grid; gap: 14px; }
.daily .status { color: var(--ink-2); margin: 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 16px 0 28px; }
.stat { background: var(--surface-2); border-radius: 12px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 22px; }
.stat span { font-size: 12px; color: var(--ink-2); }
.practice-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.practice-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.practice-grid button {
  border: 1px solid var(--line); background: var(--surface); border-radius: 10px;
  padding: 10px 6px; cursor: pointer; display: grid; gap: 2px; text-align: center;
}
.practice-grid button b { font-size: 15px; }
.practice-grid button span { font-size: 12px; color: var(--ink-2); }
.practice-grid button.done { background: var(--surface-2); }
.archive { margin-bottom: 28px; }
.archive-grid { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
.empty-note { margin: 0; padding: 14px 16px; border: 1px dashed var(--line); border-radius: 12px; font-size: 14px; }
.practice-grid button.live span { color: var(--accent); font-weight: 650; }
.practice-grid button:hover { border-color: var(--ink-2); }

/* Phase bar */
.phasebar { display: flex; justify-content: space-between; align-items: center; margin: 4px 0 14px; font-size: 14px; color: var(--ink-2); }
.phasebar strong { color: var(--ink); }
.dots { display: flex; gap: 5px; }
.dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.dots i.on { background: var(--accent); }
.dots i.good { background: var(--good); }
.dots i.bad { background: var(--bad); }

/* Categories */
.cats { margin-bottom: 14px; }
.cats .eyebrow { margin-bottom: 6px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 13px; background: var(--surface-2); border-radius: 999px; padding: 4px 11px; }

/* Question card */
.qcard { margin-bottom: 16px; }
.qcard .eyebrow { display: flex; justify-content: space-between; gap: 8px; }
.qtext { font: 600 clamp(20px, 4.2vw, 24px)/1.35 var(--font-display); margin: 10px 0 0; }
.hint { font-size: 13px; color: var(--ink-2); margin: 12px 0 0; }

/* Multiplier picker */
.picker { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; margin-bottom: 12px; }
.mult {
  border: 1.5px solid var(--line); background: var(--surface); border-radius: 10px;
  padding: 12px 0; font-weight: 750; cursor: pointer; font-variant-numeric: tabular-nums;
  display: grid; gap: 1px; justify-items: center;
}
.mult small { font-size: 10px; font-weight: 600; color: var(--ink-2); }
.mult:hover:not(:disabled) { border-color: var(--ink-2); }
.mult.sel { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.mult.sel small { color: var(--accent-ink); }
.mult:disabled { background: var(--surface-2); color: var(--ink-2); opacity: .55; cursor: not-allowed; text-decoration: line-through; }
.stake { text-align: center; font-size: 14px; color: var(--ink-2); min-height: 1.5em; margin: 0 0 10px; }

/* Ranking board */
.board { margin-top: 26px; }
.board h3 { margin-bottom: 8px; }
.board ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.board li {
  display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px;
  font-size: 14px;
}
.board li.empty { background: transparent; border-style: dashed; color: var(--ink-2); }
.board .tag { font-weight: 800; font-variant-numeric: tabular-nums; text-align: center; background: var(--surface-2); border-radius: 7px; padding: 3px 0; }
.board li.filled .tag { background: var(--ink); color: var(--bg); }
.board .txt { overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.board .res { font-weight: 700; font-variant-numeric: tabular-nums; }
.board .res.good { color: var(--good); }
.board .res.bad { color: var(--bad); }

/* Answer screen */
.answer-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.big-mult { font: 800 22px/1 var(--font); background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 10px; font-variant-numeric: tabular-nums; }
.answer-head .chip { background: var(--surface-2); }
.timer { position: relative; height: 8px; background: var(--surface-2); border-radius: 99px; overflow: hidden; margin: 16px 0 4px; }
.timer i { position: absolute; inset: 0 auto 0 0; background: var(--accent); border-radius: 99px; transition: width .1s linear; }
.timer.low i { background: var(--bad); }
.timer-row { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-2); font-variant-numeric: tabular-nums; }
.choices { display: grid; gap: 8px; margin-top: 18px; }
.choice {
  display: grid; grid-template-columns: 30px 1fr; align-items: center; gap: 10px; text-align: left;
  border: 1.5px solid var(--line); background: var(--surface); border-radius: 12px; padding: 12px 14px; cursor: pointer;
}
.choice:hover:not(:disabled) { border-color: var(--ink-2); }
.choice > span:last-child { min-width: 0; }
.choice .k { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--surface-2); font-weight: 750; font-size: 13px; }
.choice:disabled { cursor: default; }
.choice.correct { border-color: var(--good); background: var(--good-soft); }
.choice.correct .k { background: var(--good); color: #fff; }
.choice.wrong { border-color: var(--bad); background: var(--bad-soft); }
.choice.wrong .k { background: var(--bad); color: #fff; }
.choice.dim { opacity: .55; }
.feedback { margin-top: 16px; display: grid; gap: 12px; }
.verdict { display: flex; justify-content: space-between; align-items: baseline; font-weight: 750; font-size: 18px; }
.verdict.good { color: var(--good); }
.verdict.bad { color: var(--bad); }
.explain { margin: 0; color: var(--ink-2); }

/* Ready + results */
.center { text-align: center; }
.ready-note { margin: 10px 0 18px; color: var(--ink-2); }
.score-big { font: 800 clamp(48px, 13vw, 72px)/1 var(--font-display); margin: 10px 0 4px; font-variant-numeric: tabular-nums; }
.score-big.neg { color: var(--bad); }
.squares { font-size: 22px; letter-spacing: 2px; margin: 10px 0 0; }
.result-actions { display: grid; gap: 8px; grid-template-columns: 1fr 1fr; margin: 18px 0; }
.share-preview {
  text-align: left; margin: 0 auto 14px; max-width: 280px; padding: 14px 16px;
  background: var(--surface-2); border-radius: 12px; font: 14px/1.55 ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  white-space: pre-wrap; overflow-wrap: anywhere; user-select: all;
}
.compare { margin: 10px 0 0; font-size: 15px; min-height: 1.5em; }
.compare b { color: var(--accent); }
.crowd { margin: 6px 0 0; font-size: 13px; font-weight: 600; color: var(--ink-2); }
.crowd:empty { display: none; }
.countdown { font-size: 14px; color: var(--ink-2); text-align: center; }
.review { margin-top: 26px; display: grid; gap: 10px; }
.review-item { padding: 14px 16px; }
.review-item .top { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.review-item .q { font-weight: 650; margin: 0 0 6px; }
.review-item .a { font-size: 14px; margin: 0; }
.review-item .pts { font-weight: 800; font-variant-numeric: tabular-nums; }
.review-item .pts.good { color: var(--good); }
.review-item .pts.bad { color: var(--bad); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-size: 14px; z-index: 10; }

/* Help dialog */
dialog { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); color: var(--ink); max-width: 520px; width: calc(100% - 32px); padding: 24px; box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(20, 16, 8, .45); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.rules { padding-left: 20px; display: grid; gap: 10px; margin: 16px 0; }
.mini-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.mini-table th, .mini-table td { text-align: center; padding: 4px; border-bottom: 1px solid var(--line); }
.mini-table td.good { color: var(--good); }
.mini-table td.bad { color: var(--bad); }

@media (max-width: 420px) {
  .picker { grid-template-columns: repeat(4, 1fr); }
  .card { padding: 16px; }
  .result-actions { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
@media (pointer: coarse) { .mult small { display: none; } }