:root {
  --bg: #ffffff;
  --bg2: #f4f5f7;
  --fg: #14161a;
  --dim: #656c76;
  --line: #e2e5e9;
  --accent: #2c66f6;
  --ok: #1a7f45;
  --bad: #c0362c;
  --warn: #a9670a;
  --radius: 14px;
  --tabh: 58px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117;
    --bg2: #161b22;
    --fg: #e6edf3;
    --dim: #8d959f;
    --line: #262d36;
    --accent: #4f83ff;
    --ok: #3fb950;
    --bad: #f85149;
    --warn: #d29922;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  overscroll-behavior-y: contain;
}

/* ── top bar ───────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: max(10px, env(safe-area-inset-top)) 18px 10px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  border-bottom: 1px solid var(--line);
}
.topbar h1 { margin: 0; font-size: 19px; font-weight: 650; letter-spacing: -0.01em; }
.today { text-align: right; line-height: 1.15; }
.today span { font-variant-numeric: tabular-nums; font-weight: 650; font-size: 17px; }
.today small { display: block; font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }

/* ── layout ────────────────────────────────── */
main { padding: 16px 18px calc(var(--tabh) + env(safe-area-inset-bottom) + 24px); max-width: 620px; margin: 0 auto; }
.view { display: none; }
.view.active { display: block; animation: in .18s ease-out; }
@keyframes in { from { opacity: 0; transform: translateY(4px); } }

.lead { color: var(--dim); font-size: 14px; margin: 0 0 16px; }
.note { color: var(--dim); font-size: 12.5px; margin: 10px 0 0; }
.secTitle { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--dim); margin: 26px 0 10px; font-weight: 600; }
code { background: var(--bg2); padding: 1px 5px; border-radius: 5px; font-size: 12px; }

/* ── deck chips ────────────────────────────── */
.decks { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 4px; margin-bottom: 10px; scrollbar-width: none; }
.decks::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto; padding: 7px 13px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--bg2); color: var(--dim);
  font-size: 13px; font-weight: 500; cursor: pointer;
}
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.deckHint { font-size: 12.5px; color: var(--dim); margin: 0 0 14px; }

/* ── card ──────────────────────────────────── */
.card {
  background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; min-height: 190px; display: flex; flex-direction: column;
}
.cardMeta { display: flex; justify-content: space-between; font-size: 11px; color: var(--dim); font-variant-numeric: tabular-nums; margin-bottom: 12px; }
.phrase { font-size: 23px; line-height: 1.32; font-weight: 550; margin: 0 0 8px; letter-spacing: -0.01em; }
.phraseId { font-size: 13px; color: var(--dim); margin: 0; }

.result { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--line); }
.scoreRow { display: flex; align-items: baseline; gap: 9px; margin-bottom: 9px; }
.score { font-size: 27px; font-weight: 700; font-variant-numeric: tabular-nums; }
.scoreLabel { font-size: 13px; font-weight: 600; }
.diff { margin: 0 0 7px; font-size: 16px; line-height: 1.7; }
.diff .w { padding: 1px 4px; border-radius: 5px; }
.diff .w.ok { color: var(--ok); }
.diff .w.no { background: color-mix(in srgb, var(--bad) 17%, transparent); color: var(--bad); font-weight: 600; }
.heard { font-size: 12.5px; color: var(--dim); margin: 0; }
.heard em { color: var(--fg); font-style: normal; }

.good { color: var(--ok); } .mid { color: var(--warn); } .poor { color: var(--bad); }

/* ── buttons ───────────────────────────────── */
.controls { display: flex; gap: 9px; margin-top: 16px; }
.btn {
  flex: 1; padding: 14px 12px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg2); color: var(--fg);
  font: inherit; font-size: 15px; font-weight: 550; cursor: pointer;
  user-select: none; -webkit-user-select: none;
  transition: transform .06s, opacity .15s;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .4; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.big { flex: 1.5; font-size: 16px; font-weight: 650; }
.btn.rec { background: var(--bad); border-color: var(--bad); color: #fff; animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .62; } }
.btn.danger { color: var(--bad); }
.btn.mic { flex: 0 0 auto; padding: 10px 16px; font-size: 14px; }

/* ── rate slider ───────────────────────────── */
.rateRow { display: flex; align-items: center; gap: 11px; margin-top: 20px; font-size: 12.5px; color: var(--dim); }
.rateRow input { flex: 1; accent-color: var(--accent); }
.rateRow output { font-variant-numeric: tabular-nums; min-width: 40px; }

/* ── fallback ──────────────────────────────── */
.fallback { margin-top: 14px; padding: 14px; border: 1px dashed var(--warn); border-radius: 12px; font-size: 13px; }
.fallback label { display: block; color: var(--dim); margin-bottom: 9px; line-height: 1.45; }
.fallback .btn { margin-top: 9px; }

textarea {
  width: 100%; padding: 11px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg); color: var(--fg); font: inherit; font-size: 15px; resize: vertical;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ── standup slots ─────────────────────────── */
.slot { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 12px; }
.slotHead { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 9px; flex-wrap: wrap; }
.slot h2 { margin: 0; font-size: 15px; font-weight: 650; }
.starter { font-size: 12px; color: var(--dim); }
.slot textarea { margin-bottom: 9px; }

/* ── stats ─────────────────────────────────── */
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.tile { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; padding: 15px; }
.tile b { display: block; font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.tile small { color: var(--dim); font-size: 11.5px; }

.chart { display: flex; align-items: flex-end; gap: 4px; height: 120px; padding: 10px; background: var(--bg2); border: 1px solid var(--line); border-radius: 12px; }
.bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; gap: 4px; }
.bar i { display: block; width: 100%; background: var(--accent); border-radius: 3px 3px 0 0; min-height: 2px; opacity: .85; }
.bar i.zero { background: var(--line); }
.bar u { font-size: 9px; color: var(--dim); text-decoration: none; }

/* ── words ─────────────────────────────────── */
.words { list-style: none; padding: 0; margin: 0; }
.words li { background: var(--bg2); border: 1px solid var(--line); border-radius: 11px; padding: 12px 14px; margin-bottom: 8px; }
.words b { font-size: 16px; }
.words .cnt { float: right; font-size: 11px; color: var(--bad); font-weight: 600; }
.words small { display: block; color: var(--dim); font-size: 12px; margin-top: 3px; }
.empty { color: var(--dim); font-size: 13.5px; padding: 22px 0; text-align: center; }

/* ── tab bar ───────────────────────────────── */
.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 6;
  display: flex;
  padding-bottom: env(safe-area-inset-bottom);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(1.6) blur(12px);
  border-top: 1px solid var(--line);
}
.tabs button {
  flex: 1; height: var(--tabh); border: 0; background: none; color: var(--dim);
  font: inherit; font-size: 12px; font-weight: 550; cursor: pointer;
}
.tabs button.active { color: var(--accent); }

/* ── toast ─────────────────────────────────── */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--tabh) + env(safe-area-inset-bottom) + 16px); z-index: 20;
  background: var(--fg); color: var(--bg);
  padding: 10px 17px; border-radius: 999px; font-size: 13.5px; font-weight: 550;
  max-width: 88vw; text-align: center;
}

/* ═══════════ mode segmented control ═══════════ */
.seg {
  display: flex; gap: 3px; padding: 3px; margin-bottom: 12px;
  background: var(--bg2); border: 1px solid var(--line); border-radius: 11px;
}
.seg button {
  flex: 1; padding: 9px 4px; border: 0; border-radius: 8px;
  background: none; color: var(--dim);
  font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}
.seg button.on { background: var(--accent); color: #fff; }
.modeHint { font-size: 12.5px; color: var(--dim); margin: 0 0 14px; line-height: 1.45; }

/* A class rule with `display` beats the UA stylesheet's [hidden] rule, so
   `.pane { display: block }` would keep hidden panes on screen. Declare the
   override explicitly instead of relying on specificity luck. */
[hidden] { display: none !important; }

/* ═══════════ produce ═══════════ */
.cats { display: flex; gap: 6px; overflow-x: auto; margin-bottom: 12px; scrollbar-width: none; }
.cats::-webkit-scrollbar { display: none; }

.sitLabel {
  font-size: 10px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--dim); margin: 0 0 7px; font-weight: 650;
}
.situation { font-size: 18px; line-height: 1.48; margin: 0 0 14px; font-weight: 500; }
.prodTip {
  font-size: 12.5px; color: var(--dim); line-height: 1.5;
  margin: 12px 0 0; padding: 11px 13px;
  background: var(--bg2); border-left: 3px solid var(--accent); border-radius: 0 9px 9px 0;
}
.pane .prodTip { margin-top: 14px; }

.keys { font-size: 13px; line-height: 2; margin: 10px 0 0; }
.keys .k { padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.keys .k.hit  { background: color-mix(in srgb, var(--ok) 17%, transparent); color: var(--ok); }
.keys .k.miss { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }

.models { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); }
.models h4 {
  font-size: 10px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--dim); margin: 0 0 8px; font-weight: 650;
}
.models p {
  font-size: 15px; line-height: 1.55; margin: 0 0 9px; padding-left: 11px;
  border-left: 2px solid var(--line);
}
.models .say {
  border: 0; background: none; color: var(--accent);
  font: inherit; font-size: 12.5px; font-weight: 600; cursor: pointer; padding: 0;
}

/* ═══════════ listen ═══════════ */
.hidden-text {
  filter: blur(9px); user-select: none; -webkit-user-select: none;
  transition: filter .25s; letter-spacing: .1em;
}
.hidden-text.show { filter: none; letter-spacing: normal; }
.lisState { font-size: 13px; color: var(--dim); margin: 0 0 12px; }

/* ═══════════ shadow ═══════════ */
.shdBar { height: 5px; background: var(--line); border-radius: 3px; overflow: hidden; margin: 16px 0 8px; }
.shdBar i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .3s; }
.shdTimer {
  font-size: 33px; font-weight: 700; font-variant-numeric: tabular-nums;
  margin: 10px 0 0; letter-spacing: -0.02em;
}

/* ═══════════ mastery bars (stats) ═══════════ */
.mrow {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 13px;
}
.mrow:last-child { border-bottom: 0; }
.mrow span:first-child { flex: 0 0 118px; color: var(--dim); }
.mrow .track { flex: 1; height: 7px; background: var(--line); border-radius: 4px; overflow: hidden; }
.mrow .track i { display: block; height: 100%; background: var(--ok); }
.mrow .pct { flex: 0 0 42px; text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; }