/* ============ tokens ============ */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --hairline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --good: #0ca30c;
  --good-text: #006300;
  --bad: #d03b3b;
  --key-bg: #ffffff;
  --key-press: #eceae4;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --hairline: #2c2c2a;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --good: #0ca30c;
    --good-text: #0ca30c;
    --bad: #e66767;
    --key-bg: #232322;
    --key-press: #333331;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  overscroll-behavior: none;
}

main {
  max-width: 480px;
  margin: 0 auto;
  padding: 12px 16px calc(24px + env(safe-area-inset-bottom));
}

/* ============ topbar ============ */
.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
  padding: calc(8px + env(safe-area-inset-top)) 12px 4px;
}
.topbar h1 { font-size: 18px; margin: 0; flex: 1; font-weight: 650; }
.topnav { display: flex; gap: 4px; }
.icon-btn {
  border: none; background: none; color: var(--ink);
  font-size: 20px; padding: 8px 10px; border-radius: 10px; cursor: pointer;
}
.icon-btn:active { background: var(--key-press); }

.view { display: flex; flex-direction: column; gap: 14px; }

/* ============ accueil ============ */
.deck-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
}
.deck-head { display: flex; align-items: center; gap: 12px; }
.deck-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent); color: var(--accent-ink);
  display: grid; place-items: center;
  font-size: 18px; font-weight: 700;
}
.deck-head h2 { margin: 0; font-size: 17px; }
.deck-sub { margin: 2px 0 0; font-size: 13px; color: var(--ink-2); }
.deck-counts { display: flex; gap: 14px; font-size: 14px; color: var(--ink-2); }
.count b { color: var(--ink); font-variant-numeric: tabular-nums; }
.deck-actions { display: flex; gap: 10px; }

.seg {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.seg button {
  flex: 1;
  padding: 9px 4px;
  border: none;
  background: var(--surface);
  color: var(--ink-2);
  font-size: 13px; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button.active { background: var(--accent); color: var(--accent-ink); }

.btn {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 15px; font-weight: 600;
  background: var(--surface); color: var(--ink);
  cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); flex: 1; }
.btn.ghost { color: var(--ink-2); }
.btn.danger { color: var(--bad); }
.btn.big { padding: 14px; font-size: 16px; }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn:not(:disabled):active { filter: brightness(0.92); }

.home-footer { text-align: center; color: var(--muted); font-size: 13px; margin: 4px 0 0; }

/* ============ session ============ */
.progress {
  height: 5px; border-radius: 3px; background: var(--hairline); overflow: hidden;
}
#progress-bar { height: 100%; width: 0; background: var(--accent); border-radius: 3px; transition: width 0.25s; }
.drill-meta {
  display: flex; justify-content: space-between;
  font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums;
}

.question-zone {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  min-height: 170px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 16px;
}
.question { font-size: 44px; font-weight: 700; letter-spacing: 1px; }
.question .q-hint { font-size: 20px; font-weight: 500; color: var(--ink-2); display: block; text-align: center; margin-bottom: 6px; }
.question.word { font-size: 32px; letter-spacing: 2px; text-align: center; }
.question.word .q-hint { font-size: 15px; letter-spacing: 0; }
.answer-display {
  min-height: 46px; font-size: 38px; font-weight: 700;
  color: var(--accent); font-variant-numeric: tabular-nums;
  border-bottom: 3px solid var(--hairline); min-width: 90px; text-align: center;
}
.answer-display.empty::after { content: "…"; color: var(--muted); font-weight: 400; }

.feedback {
  position: absolute; inset: 0;
  border-radius: 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  font-size: 30px; font-weight: 700;
  background: var(--surface);
}
.feedback.ok { color: var(--good-text); }
.feedback.ko { color: var(--bad); }
.feedback .fb-sub { font-size: 17px; font-weight: 500; color: var(--ink-2); }

/* ============ clavier intégré ============ */
.keypad { display: flex; flex-direction: column; gap: 8px; user-select: none; }
.keypad-row { display: flex; gap: 8px; justify-content: center; }
.key {
  flex: 1;
  max-width: 110px;
  padding: 0;
  height: 58px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--key-bg);
  color: var(--ink);
  font-size: 24px; font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}
.key:active { background: var(--key-press); }
.key.action { color: var(--ink-2); font-size: 20px; }
.key.validate { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.key.letter { max-width: none; height: 52px; font-size: 20px; }
.keypad.letters { gap: 6px; }
.keypad.letters .keypad-row { gap: 5px; }

/* ============ résumé / tuiles ============ */
.summary-title { text-align: center; margin: 24px 0 4px; }
.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
}
.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}
.tile .tile-value { font-size: 24px; font-weight: 700; }
.tile .tile-label { font-size: 12px; color: var(--ink-2); margin-top: 2px; }

/* ============ stats ============ */
.tabs { display: flex; gap: 8px; }
.tab {
  flex: 1; padding: 10px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--ink-2); font-weight: 600; font-size: 14px; cursor: pointer;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }

.section-title { margin: 6px 0 0; font-size: 14px; color: var(--ink-2); font-weight: 600; }

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.activity-chart {
  display: flex; align-items: flex-end; gap: 3px;
  height: 110px;
}
.activity-col { flex: 1; display: flex; flex-direction: column-reverse; gap: 2px; align-items: stretch; height: 100%; justify-content: flex-start; }
.activity-col .seg { border-radius: 3px 3px 0 0; min-height: 0; }
.activity-col .seg.good { background: var(--good); }
.activity-col .seg.bad { background: var(--bad); border-radius: 3px 3px 0 0; }
.activity-col .seg.good + .seg.bad { margin-bottom: 0; }
.activity-labels { display: flex; gap: 3px; margin-top: 6px; }
.activity-labels span { flex: 1; text-align: center; font-size: 9px; color: var(--muted); font-variant-numeric: tabular-nums; }

.legend { display: flex; gap: 16px; margin-top: 10px; font-size: 12px; color: var(--ink-2); flex-wrap: wrap; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.swatch.good { background: var(--good); }
.swatch.bad { background: var(--bad); }

/* heatmap 12×12 */
.mult-map { display: grid; grid-template-columns: auto repeat(12, 1fr); gap: 2px; }
.mult-map .hd { font-size: 10px; color: var(--muted); display: grid; place-items: center; font-variant-numeric: tabular-nums; min-width: 16px; }
.mult-map .cell {
  aspect-ratio: 1; border-radius: 4px; border: none; padding: 0; cursor: pointer;
  background: var(--hairline);
}
.letters-map { display: flex; flex-wrap: wrap; gap: 5px; }
.letters-map .cell {
  border: none; border-radius: 8px; padding: 8px 0; width: calc(20% - 4px);
  font-size: 13px; font-weight: 600; color: var(--ink);
  background: var(--hairline); cursor: pointer; font-family: inherit;
}
.cell.unseen { background: var(--hairline); }
.cesar-map .cell { width: calc(33.33% - 4px); font-size: 11px; padding: 7px 0; }
.letters-map .cell.deep, .letters-map .cell.mid { color: #fff; }

.card-detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 14px;
}
.card-detail h4 { margin: 0 0 6px; font-size: 16px; }
.card-detail dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; }
.card-detail dt { color: var(--ink-2); }
.card-detail dd { margin: 0; font-variant-numeric: tabular-nums; }

/* ============ réglages ============ */
.setting-group {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 6px 14px;
}
.setting-group label {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; font-size: 14px;
  border-bottom: 1px solid var(--hairline);
}
.setting-group label:last-child { border-bottom: none; }
.setting-group input {
  width: 76px; padding: 8px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--page); color: var(--ink);
  font-size: 15px; text-align: center; font-family: inherit;
}
.setting-actions { display: flex; gap: 10px; flex-wrap: wrap; }
#btn-import-label { display: inline-flex; align-items: center; }
.settings-note { font-size: 12px; color: var(--muted); }

/* ============ entraînement (voie.js) ============ */
.unlock { display: flex; gap: 10px; margin-top: 10px; }
.unlock input {
  flex: 1; min-width: 0; padding: 12px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--page); color: var(--ink);
  font-size: 15px; font-family: inherit;
}

.ex-row {
  display: flex; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 10px 8px 10px 14px; margin-bottom: 8px;
}
.ex-row.done { opacity: 0.55; }
.ex-row-main { flex: 1; min-width: 0; }
.ex-row-title { font-size: 15px; font-weight: 600; }
.ex-row-meta { display: block; font-size: 12px; color: var(--ink-2); margin-top: 2px; }

.pick-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 14px; margin-bottom: 6px;
}
.pick-row input { width: 20px; height: 20px; accent-color: var(--accent); flex: none; }
.pick-main { flex: 1; min-width: 0; }
.pick-title { font-size: 15px; font-weight: 600; }

.paliers { display: flex; flex-wrap: wrap; gap: 8px; }
.palier {
  border: 1px solid var(--border); background: var(--surface); color: var(--ink-2);
  border-radius: 999px; padding: 8px 14px;
  font-size: 13px; font-weight: 600; font-family: inherit; cursor: pointer;
}
.palier.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.palier-title { margin: 14px 0 0; font-size: 16px; }
.palier-off { font-size: 12px; font-weight: 400; color: var(--muted); }

.ex-detail {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 10px 14px; margin-bottom: 8px;
}
.ex-detail.off { opacity: 0.5; }
.ex-detail summary { cursor: pointer; list-style: none; }
.ex-detail summary::-webkit-details-marker { display: none; }
.ex-detail summary::after { content: " ▾"; color: var(--muted); }
.ex-detail[open] summary::after { content: " ▴"; }
.ex-objectif { font-size: 14px; color: var(--ink-2); font-style: italic; }
.ex-steps p { font-size: 14px; line-height: 1.55; color: var(--ink); }

.week-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.week-nav span { font-size: 14px; font-weight: 600; color: var(--ink-2); }

.day-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 10px 12px; margin-bottom: 8px;
}
.day-card.today { border-color: var(--accent); }
.day-head { display: flex; align-items: baseline; gap: 8px; }
.day-head b { font-size: 15px; text-transform: capitalize; }
.day-head .ex-row-meta { display: inline; margin: 0; }
.slot { margin-top: 8px; }
.slot-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px;
}
.slot-load { font-weight: 400; font-variant-numeric: tabular-nums; }
.slot-load.over { color: var(--bad); }
.day-card .ex-row { padding: 8px 4px 8px 10px; margin-bottom: 4px; }
.ex-row .icon-btn { font-size: 17px; padding: 6px 8px; flex: none; }
.ex-row .icon-btn.danger { color: var(--bad); }

.mover {
  background: var(--page); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px; margin: 0 0 8px;
  display: flex; flex-direction: column; gap: 8px;
}
.mover-days { display: flex; gap: 5px; }
.day-chip {
  flex: 1; padding: 9px 0; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface); color: var(--ink-2);
  font-size: 13px; font-weight: 600; font-family: inherit; cursor: pointer;
}
.day-chip.active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.mover-slots button { font-size: 12px; }

.pref-seg { margin-bottom: 10px; }
.pref-seg button { font-size: 12px; padding: 9px 2px; }
.pref-seg button:disabled { opacity: 0.45; cursor: default; }
.duree-label {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--ink-2); gap: 12px; margin-bottom: 10px;
}
.duree-label input {
  width: 76px; padding: 8px; border-radius: 8px; flex: none;
  border: 1px solid var(--border); background: var(--page); color: var(--ink);
  font-size: 15px; text-align: center; font-family: inherit;
}

.quota-sub { font-size: 11px; color: var(--muted); margin-top: 3px; }
.quota + .quota { margin-top: 12px; }
.quota-head { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; }
.quota-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.quota-count { color: var(--ink-2); font-variant-numeric: tabular-nums; flex: none; }
.quota-bar { height: 6px; border-radius: 3px; background: var(--hairline); overflow: hidden; margin-top: 5px; }
.quota-bar div { height: 100%; background: var(--accent); border-radius: 3px; }

.timer-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
}
.timer-title { margin: 0; font-size: 18px; }
.timer-sub { margin: 0; font-size: 13px; color: var(--ink-2); }
.timer-clock {
  font-size: 60px; font-weight: 700; font-variant-numeric: tabular-nums;
  letter-spacing: 2px; margin: 8px 0;
}
.timer-clock.over { color: var(--good-text); }
.timer-card .deck-actions { width: 100%; }

.note-label { display: block; font-size: 13px; color: var(--ink-2); margin: 10px 0; }
.note-label textarea {
  display: block; width: 100%; margin-top: 6px; padding: 10px;
  border-radius: 10px; border: 1px solid var(--border);
  background: var(--page); color: var(--ink);
  font-size: 15px; font-family: inherit; resize: vertical;
}

.tooltip {
  position: fixed; z-index: 10;
  background: var(--ink); color: var(--page);
  font-size: 12px; padding: 6px 9px; border-radius: 8px;
  pointer-events: none; max-width: 220px;
  font-variant-numeric: tabular-nums;
}