/* Shared UI (core/ui.js, core/shell.js): Home, library, song sheet, settings, dialogs, toasts.
   Uses only the tokens defined in index.html, so light and dark both work. WP5 owns this file. */

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
main.wrap:focus { outline: none; }
html.ui-locked, html.ui-locked body { overflow: hidden; }

.frame-body { display: flex; flex-direction: column; gap: 18px; }
.card { background: var(--card); border: 1.5px solid var(--line); border-radius: 16px; padding: 16px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.card .row, .up-gate .row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.linkbtn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 4px;
  color: var(--accent); font-weight: 700; text-decoration: underline; text-underline-offset: 3px;
}
.linkbtn:focus-visible, .song-row:focus-visible, .mode-tile:focus-visible, .today:focus-visible,
.settings-row:focus-visible, .drillcard:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn.danger { color: var(--bad); border-color: var(--bad); background: transparent; }
.chev { font-size: 1.4rem; line-height: 1; color: var(--muted); flex: none; }

/* Placeholder screen for modes that aren't built yet */
.coming-soon { background: var(--card); border: 1.5px dashed var(--line); border-radius: 14px; padding: 18px 16px; display: flex; flex-direction: column; gap: 8px; }

/* ---------- Home: today strip ---------- */
.today {
  display: flex; align-items: center; gap: 12px; width: 100%; min-height: 48px; margin-top: 4px;
  padding: 10px 14px; border-radius: 14px; background: var(--card); border: 1.5px solid var(--line); text-align: left;
}
.today-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.today-dots { display: flex; flex-wrap: wrap; gap: 5px; padding-top: 5px; }
.today-text { font-weight: 700; font-size: 0.95rem; }
.tdot, .note-chip .nc-dot {
  position: relative; width: 10px; height: 10px; border-radius: 50%; flex: none;
  border: 1.5px dashed var(--line); background: transparent;
}
.tdot.st-known { background: var(--good); border: 1.5px solid var(--good); }
.tdot.st-learning { background: var(--learn); border: 1.5px solid var(--learn); }
.tdot.st-new { background: var(--accent-soft); border: 1.5px solid var(--accent); }
.tdot.rusty::after {
  content: ""; position: absolute; top: -5px; left: 50%; width: 4px; height: 4px; margin-left: -2px;
  border-radius: 50%; background: var(--learn);
}

/* ---------- Home: cards ---------- */
.invite { border-color: var(--accent); background: var(--accent-soft); }
.invite h2 { font-size: 1.15rem; }
.upnext h2 { font-size: 1.3rem; }
.upnext .row { margin-top: 4px; }
.up-gate { display: flex; flex-direction: column; gap: 8px; padding-top: 6px; border-top: 1.5px dashed var(--line); font-size: 0.95rem; }
.up-alts { font-size: 0.95rem; display: flex; flex-wrap: wrap; align-items: center; column-gap: 4px; }
.drillcard { text-align: left; width: 100%; border-color: var(--learn); background: var(--learn-soft); }
.drillcard .dc-title { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; }
.drillcard .dc-sub { font-weight: 700; }

/* ---------- Home: modes grid ---------- */
.modes-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mode-tile {
  min-height: 88px; min-width: 0; padding: 12px; border-radius: 14px; text-align: left;
  background: var(--card); border: 1.5px solid var(--line);
  display: flex; flex-direction: column; align-items: flex-start; gap: 4px;
}
.mode-tile.wide { grid-column: 1 / -1; }
.mode-tile .mt-icon { color: var(--accent); display: block; line-height: 0; }
.mode-tile .mt-title { font-family: var(--font-display); font-weight: 800; font-size: 1.05rem; line-height: 1.2; }
.mode-tile .mt-blurb { color: var(--muted); font-size: 0.85rem; line-height: 1.3; overflow-wrap: anywhere; }
.mode-tile .mt-chip {
  margin-top: 2px; padding: 2px 8px; border-radius: 999px; font-size: 0.78rem; font-weight: 700;
  background: var(--accent-soft); color: var(--accent);
}

/* ---------- song rows (Home "Songs for you" and the library) ---------- */
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap; margin-bottom: 10px; }
.song-rows { display: flex; flex-direction: column; gap: 10px; list-style: none; padding: 0; margin: 0; }
.song-rows .empty { background: var(--card); border: 1.5px dashed var(--line); border-radius: 14px; padding: 14px 16px; }
.song-row-wrap { display: flex; align-items: stretch; gap: 8px; min-width: 0; }
.song-row {
  flex: 1; min-width: 0; min-height: 56px; text-align: left; padding: 12px 14px; border-radius: 14px;
  background: var(--card); border: 1.5px solid var(--line); display: flex; flex-direction: column; gap: 3px;
}
.song-row-wrap .more { flex: none; align-self: center; width: 48px; height: 48px; padding: 0; font-size: 1.2rem; border-radius: 14px; }
.song-row-wrap.locked .song-row { background: transparent; border-style: dashed; }
.song-row-wrap.locked .sr-title strong { color: var(--muted); }
.sr-title { display: flex; align-items: center; gap: 6px; min-width: 0; }
.sr-title strong { font-size: 1.05rem; overflow-wrap: anywhere; }
.sr-lock { color: var(--muted); line-height: 0; flex: none; }
.sr-origin { font-size: 0.85rem; color: var(--muted); overflow-wrap: anywhere; }
.sr-line { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 10px; font-size: 0.85rem; }
.sr-why { font-size: 0.85rem; color: var(--muted); }
.mode-badge { color: var(--muted); font-size: 0.85rem; }
.mode-badge.tone-good, .mode-badge.tone-learn { color: var(--ink); }

/* comfort pill */
.pill-line { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-size: 0.85rem; }
.pill {
  display: inline-flex; align-items: center; min-height: 22px; padding: 1px 9px; border-radius: 999px;
  font-weight: 700; font-size: 0.8rem; border: 1.5px solid transparent; white-space: nowrap;
}
/* Ink text on the soft tints keeps small text above 4.5:1 in both themes; the border carries the colour. */
.pill-easy { background: var(--good-soft); color: var(--ink); border-color: var(--good); }
.pill-right { background: var(--accent-soft); color: var(--ink); border-color: var(--accent); }
.pill-stretch { background: var(--learn-soft); color: var(--ink); border-color: var(--learn); }
.pill-tough { background: var(--bad-soft); color: var(--ink); border-color: var(--bad); }
.pill-locked { background: transparent; color: var(--muted); border: 1.5px dashed var(--line); }
.pill-extra { color: var(--muted); }

/* note chips coloured by state (every state also has a mark and a hidden word) */
.note-chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; padding: 0; margin: 0; }
.note-chip {
  position: relative; display: inline-flex; align-items: center; gap: 3px; min-height: 36px; min-width: 40px;
  padding: 4px 10px; border-radius: 10px; font-weight: 700; justify-content: center;
  border: 1.5px dashed var(--line); color: var(--muted); background: transparent;
}
.note-chip .nc-mark { font-size: 0.75rem; }
.note-chip.st-known { border: 2px solid var(--good); background: var(--good-soft); color: var(--ink); }
.note-chip.st-learning { border: 2px solid var(--learn); background: var(--learn-soft); color: var(--ink); }
.note-chip.st-new { border: 2px solid var(--accent); background: var(--accent-soft); color: var(--ink); }
.note-chip.rusty::after {
  content: ""; position: absolute; top: 3px; right: 3px; width: 6px; height: 6px; border-radius: 50%; background: var(--learn);
}

/* ---------- library ---------- */
.lib-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.lib-list { display: flex; flex-direction: column; gap: 26px; }
.lib-group { display: flex; flex-direction: column; gap: 12px; }
.lib-group .level-head h2 { font-size: 1.15rem; }
.etude-row {
  display: flex; flex-direction: column; gap: 8px; padding: 12px 14px; border-radius: 14px;
  border: 1.5px dashed var(--line); background: transparent;
}
.etude-row .er-title { font-weight: 700; }
.etude-row .er-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.etude-row .er-chips .btn { min-width: 44px; min-height: 44px; }

/* ---------- song sheet and settings ---------- */
.sheet-body { display: flex; flex-direction: column; gap: 14px; }
.song-sheet { display: flex; flex-direction: column; gap: 12px; }
.ss-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.ss-actions .btn { width: 100%; }
.ss-note, .ss-why { font-size: 0.9rem; }
.ss-status:empty { display: none; }
.ss-badges { display: flex; flex-direction: column; gap: 2px; }
.settings { display: flex; flex-direction: column; gap: 16px; }
.set-row { display: flex; flex-direction: column; gap: 6px; }
.set-label { font-weight: 700; }
.set-hint { font-size: 0.9rem; }
.set-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.settings .danger { align-self: flex-start; }
.settings-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; min-height: 56px;
  padding: 12px 16px; border-radius: 14px; background: var(--card); border: 1.5px solid var(--line); text-align: left;
}
.settings-row strong { display: block; }
.settings-row .muted { font-size: 0.85rem; }

/* ---------- mic bar, mic check ---------- */
.micbar { display: flex; flex-direction: column; gap: 8px; }
.mic-check { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.mc-targets { display: flex; gap: 10px; list-style: none; padding: 0; margin: 0; }
.mc-target {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 1.3rem;
  border: 2px dashed var(--line); color: var(--muted);
}
.mc-target.heard { border: 2px solid var(--good); background: var(--good-soft); color: var(--ink); }
.mc-target.heard .nc-letter::after { content: " ✓"; font-size: 0.8rem; }

/* ---------- toast ---------- */
.ui-toast {
  position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  z-index: 30; width: max-content; max-width: calc(100vw - 32px);
  display: flex; align-items: center; gap: 12px;
  background: var(--ink); color: var(--paper); border-radius: 12px; padding: 10px 14px; font-weight: 700;
}
.ui-toast .btn { background: transparent; color: inherit; border-color: currentColor; }

/* ---------- dialogs and bottom sheet ---------- */
.ui-dialog { z-index: 20; }
.ui-sheet { place-items: end center; padding: 0; z-index: 15; }
.dialog.sheet {
  border-radius: 20px 20px 0 0; text-align: left; max-width: 560px; margin: auto auto 0;
  max-height: 88vh; overflow-y: auto; overscroll-behavior: contain;
  padding: 18px 16px calc(24px + env(safe-area-inset-bottom, 0px));
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.sheet-head h2 { font-size: 1.25rem; min-width: 0; overflow-wrap: anywhere; }

.btn.chip { min-height: 36px; padding: 6px 12px; border-radius: 999px; }

@media (prefers-reduced-motion: no-preference) {
  .ui-sheet .dialog.sheet { animation: ui-sheet-in 0.18s ease-out; }
  @keyframes ui-sheet-in { from { transform: translateY(24px); } to { transform: none; } }
}

/* Home: each mode as its own game, in a list of boxes */
.modes-grid.games { grid-template-columns: 1fr; gap: 12px; }
.mode-tile.game { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; align-items: center; gap: 12px;
  padding: 12px; border-radius: 18px; text-align: left; position: relative; overflow: hidden;
  border: 1.5px solid var(--line); background: var(--card); }
.mode-tile.game::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: linear-gradient(180deg, var(--g1), var(--g2)); }
.mode-tile.game .mt-art { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--g1), var(--g2)); box-shadow: 0 4px 12px color-mix(in srgb, var(--g1) 35%, transparent); }
.mode-tile.game .mt-art svg { width: 32px; height: 32px; }
.mode-tile.game .mt-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mode-tile.game .mt-eyebrow { font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; color: var(--muted); }
.mode-tile.game .mt-title { font-size: 1.2rem; }
.mode-tile.game .mt-chord { display: flex; flex-direction: column; align-items: center; gap: 3px; width: 76px; }
.mode-tile.game .mt-keys { width: 76px; height: auto; display: block; }
.mode-tile.game .mt-chord-name { font-size: 0.72rem; font-weight: 800; color: var(--ink); text-align: center; line-height: 1.15; }
.mode-tile.game.picked { border-color: var(--good); background: var(--good-soft); }
@media (hover: hover) { .mode-tile.game:hover { border-color: var(--g1); } }
@media (max-width: 360px) { .mode-tile.game { grid-template-columns: 52px minmax(0, 1fr) auto; } .mode-tile.game .mt-art { width: 52px; height: 52px; } }

/* Home: Up next and the quick drill as game-style boxes with a chord */
.card.gl { display: grid !important; grid-template-columns: 64px minmax(0, 1fr) auto; align-items: center; column-gap: 12px; row-gap: 2px;
  padding: 12px; border-radius: 18px; position: relative; overflow: hidden; text-align: left; cursor: pointer; }
.card.gl::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: linear-gradient(180deg, var(--g1), var(--g2)); }
.card.gl > :not(.gl-art):not(.gl-chord) { grid-column: 2; min-width: 0; }
.card.gl > .gl-art { grid-column: 1; grid-row: 1 / span 6; width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--g1), var(--g2)); }
.card.gl > .gl-chord { grid-column: 3; grid-row: 1 / span 6; display: flex; flex-direction: column; align-items: center; gap: 3px; width: 76px; }
.card.gl .mt-keys { width: 76px; height: auto; display: block; }
.card.gl h2 { font-size: 1.2rem; margin: 0; }
.card.gl .row { display: none; }
.card.gl.picked { border-color: var(--good); background: var(--good-soft); }
.card.gl { background: var(--card) !important; border: 1.5px solid var(--line) !important; color: var(--ink); }
.card.gl .dc-title { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; text-decoration: none; line-height: 1.2; }
.card.gl .dc-sub, .card.gl [data-up-sub] { font-size: 0.85rem; color: var(--muted); }
.card.gl .mt-chord-name { font-size: 0.72rem; font-weight: 800; color: var(--ink); text-align: center; line-height: 1.15; }
.card.gl.picked { border-color: var(--good) !important; background: var(--good-soft) !important; }