/* =====================================================================
   Rose Window: the nave of a cathedral at dusk. The window and its glass
   are painted on the canvas (game.js); these styles dress the HUD and the
   two cards as carved slate panels: gilt lettering in an uncial hand, a
   lead-came border, and buttons of stained glass.
   ===================================================================== */

:root {
  --nave: #221e29;
  --slate: #2f2a37;
  --slate-hi: #3d3747;
  --lead: #15121a;
  --gilt: #ecc96f;
  --gilt-deep: #a8823a;
  --vellum: #efe5cf;
  --dim: #b3a78f;
  --ruby: #c3304a;
  --ruby-deep: #7a1427;
  --sapphire: #3d6fd0;
  --sapphire-deep: #1b3478;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
  font-family: "Alegreya", Georgia, serif;
  color: var(--vellum);
  overflow: hidden;
  background: var(--nave);
}

#stage { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; }

.nav-back-games {
  position: fixed; top: 16px; left: 18px; z-index: 50;
  font-family: inherit; font-size: 15px; font-weight: 600;
  color: var(--gilt); text-decoration: none;
  background: rgba(47, 42, 55, 0.94);
  border: 2px solid var(--lead); border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.35), 0 2px 8px rgba(0, 0, 0, 0.45);
  padding: 6px 14px;
}
.nav-back-games:hover { color: #fff1c4; }

/* ---- HUD: a gilt line over the window ---------------------------------- */
.hud {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%); z-index: 20;
  display: flex; align-items: center; gap: 16px; white-space: nowrap; pointer-events: none;
  background: rgba(47, 42, 55, 0.92);
  border: 2px solid var(--lead); border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.3), 0 3px 10px rgba(0, 0, 0, 0.4);
  padding: 5px 16px;
}
.hud[hidden] { display: none; }
.hud-win { font-family: "Uncial Antiqua", serif; font-size: 15px; color: var(--gilt); }
.hud-score b { font-size: 22px; font-weight: 700; color: var(--vellum); font-variant-numeric: tabular-nums; }
.hud-beads { font-size: 16px; color: #fff3cf; letter-spacing: 3px; min-width: 14px; }

/* ---- the cards ------------------------------------------------------------ */
.panel {
  position: fixed; inset: 0; z-index: 30;
  display: flex; align-items: center; justify-content: center;
  padding: 26px 16px; overflow-y: auto;
  background: rgba(16, 12, 22, 0.45);
}
.panel[hidden] { display: none; }
/* centred while it fits; a card taller than the screen starts at the top and
   the panel scrolls (centring alone would put its heading out of reach) */
.panel > .card { margin: auto; }

.card {
  width: min(440px, 100%);
  background: linear-gradient(175deg, var(--slate-hi), var(--slate) 40%, #28232f);
  border: 3px solid var(--lead); border-radius: 18px;
  box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.4), inset 0 0 0 6px rgba(21, 18, 26, 0.5),
    0 16px 46px rgba(0, 0, 0, 0.55);
  padding: 24px 24px 20px;
}
.card h1, .card h2 { font-family: "Uncial Antiqua", serif; font-weight: 400; color: var(--gilt); letter-spacing: 0.5px;
  text-shadow: 0 1px 0 #000, 0 0 14px rgba(236, 201, 111, 0.25); }
.card h1 { font-size: 36px; }
.card h2 { font-size: 26px; }
.card .tag { color: var(--dim); font-style: italic; font-size: 17px; margin: 2px 0 10px; }
.card .how { font-size: 16px; line-height: 1.45; margin-bottom: 14px; }
.card .how b { color: var(--gilt); }

.seg { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.seg button {
  font-family: inherit; font-size: 17px; text-align: left; cursor: pointer;
  color: var(--vellum); background: rgba(21, 18, 26, 0.45);
  border: 2px solid var(--lead); border-radius: 10px; padding: 8px 14px;
  box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.18);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.seg button b { font-weight: 700; }
.seg button small { font-size: 14px; color: var(--dim); font-style: italic; }
/* the mode picked: a pane of sapphire glass, lit from behind */
.seg button.on {
  background: linear-gradient(170deg, #5d8ae0, var(--sapphire) 55%, var(--sapphire-deep));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35), 0 0 14px rgba(93, 138, 224, 0.45);
}
.seg button.on b { color: #fff8e2; }
.seg button.on small { color: #dfe7fb; }

/* the window to start from: the one picked, its picture and name, and every
   window under it, eight to a row, each a little pane of its own glass in
   lead (the picked one ringed in gilt; one not yet reached is slate) */
.winpick { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 8px; }
.winpick canvas { width: 45px; height: 60px; flex: none; }
.win-text { min-width: 0; }
.win-text b { display: block; font-size: 17px; color: var(--vellum); }
.win-text small { display: block; font-size: 13.5px; color: var(--dim); font-style: italic; }
.wingrid { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-bottom: 12px; }
.wingrid .wt {
  font-family: inherit; font-size: 14px; font-weight: 700; cursor: pointer; min-width: 0; height: 32px; padding: 0;
  color: #fff8e2; text-shadow: 0 1px 1px rgba(0, 0, 0, 0.6);
  background: linear-gradient(170deg, var(--lt), var(--body) 55%, var(--deep));
  border: 2px solid var(--lead); border-radius: 8px 8px 4px 4px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25);
}
.wingrid .wt:hover { filter: brightness(1.12); }
.wingrid .wt.on { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4), 0 0 0 2px var(--gilt), 0 0 12px rgba(236, 201, 111, 0.55); }
.wingrid .wt.locked {
  color: var(--dim); text-shadow: none; cursor: not-allowed; filter: none;
  background: rgba(21, 18, 26, 0.55); box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.12); opacity: 0.6;
}

kbd {
  font-family: "Alegreya", Georgia, serif; font-size: 12px; font-weight: 700;
  color: var(--gilt); background: var(--lead);
  border: 1px solid rgba(236, 201, 111, 0.45); border-radius: 5px; padding: 0 6px 1px;
}

/* the main buttons: panes of ruby glass in lead, gilt letters */
.playbtn, .card .row button:first-child {
  font-family: inherit; font-weight: 700; cursor: pointer;
  color: #fff3d0; background: linear-gradient(170deg, #e0566c, var(--ruby) 55%, var(--ruby-deep));
  border: 3px solid var(--lead); border-radius: 12px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3), 0 0 16px rgba(195, 48, 74, 0.35);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.45);
}
.playbtn { width: 100%; font-size: 21px; padding: 11px 12px; }
.playbtn:hover, .card .row button:hover { filter: brightness(1.08); }
.playbtn:active, .card .row button:active { transform: translateY(1px); }

.bests { margin-top: 12px; font-size: 15px; color: var(--dim); min-height: 19px; text-align: center; font-style: italic; }

/* ---- the end card --------------------------------------------------------- */
#over .card { text-align: center; }
.card .big { font-size: 46px; font-weight: 700; color: var(--vellum); margin: 4px 0 0; font-variant-numeric: tabular-nums; }
.card .stats { display: flex; flex-direction: column; align-items: center; gap: 8px; margin: 6px 0 18px; font-size: 16px; color: var(--dim); }
.stats .best {
  font-weight: 700; color: var(--gilt); font-style: normal;
  border: 2px solid var(--lead); border-radius: 999px; padding: 2px 14px;
  background: rgba(21, 18, 26, 0.5); box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.35);
}
.stats .best.record { color: #2a1a05; background: linear-gradient(170deg, #f7dd8f, var(--gilt) 60%, #c79a3e); }
.card .row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.card .row button {
  font-family: inherit; font-size: 17px; font-weight: 700; cursor: pointer;
  color: var(--vellum); background: rgba(21, 18, 26, 0.5);
  border: 2px solid var(--lead); border-radius: 12px; padding: 8px 18px;
  box-shadow: inset 0 0 0 1px rgba(236, 201, 111, 0.25);
}
.card .row button:first-child { padding: 8px 18px; }

@media (max-width: 640px) {
  .hud { top: auto; bottom: 12px; gap: 12px; padding: 4px 12px; }
  .hud-win { font-size: 13px; }
  .hud-score b { font-size: 19px; }
  .panel { padding-top: 62px; }      /* (a card starts below the corner buttons) */
  .card { padding: 20px 18px 18px; }
  .card h1 { font-size: 30px; }
  .card .how { font-size: 15px; }
  .winpick { gap: 9px; }
  .wingrid { gap: 4px; }
  .wingrid .wt { font-size: 12.5px; height: 30px; border-radius: 7px 7px 3px 3px; }
  .win-text b { font-size: 15.5px; }
  .win-text small { font-size: 12.5px; }
}

/* a short laptop window or a phone: the menu card closes up its spacing, with
   everything still on it (the rules, both modes, all sixteen windows, the
   button, the bests), so it shows whole where it can */
@media (max-height: 700px), (max-width: 640px) {
  .card { padding: 16px 18px 14px; }
  .card h1 { font-size: 29px; }
  .card .tag { margin: 0 0 6px; }
  .card .how { line-height: 1.38; margin-bottom: 10px; }
  .seg { gap: 6px; margin-bottom: 8px; }
  .seg button { padding: 5px 13px; }
  .winpick { margin-bottom: 6px; }
  .winpick canvas { width: 36px; height: 48px; }
  .wingrid { margin-bottom: 10px; }
  .playbtn { padding: 8px 12px; }
  .bests { margin-top: 8px; }
}
@media (max-width: 400px) {
  .card .how { font-size: 14px; }
}

/* the shared pause card's backdrop (game-shell.js), the nave's dusk */
.gs-pause { background: rgba(16, 12, 22, 0.5); }