/* Mobile-first: the default rules target a phone-sized viewport; the single breakpoint below
   widens things a bit on a desktop browser. No external fonts/CDNs (CSP: default-src 'self'). */

:root {
  color-scheme: dark light;
  --bg: #101318;
  --panel: #181c24;
  --text: #e8ebf0;
  --muted: #8a93a3;
  --accent: #4f8cff;
  --danger: #ff5c5c;
  --ok: #3ecf6f;

  /* Task 5.2a: map "kind" palette (`crate::live::scene::Kind`, see docs/formats.md) — one flat
     color per tile kind, no DDNet graphics assets (decision D-011/constraint: "kinds/entities-
     style view only" for this task). Indexed by kind byte via `KIND_COLORS` in game.js. */
  --kind-air: #0b0e13;
  --kind-solid: #6b7280;
  --kind-nohook: #8b6f47;
  --kind-death: #dc2626;
  --kind-deep-freeze: #1e3a8a;
  --kind-freeze: #38bdf8;
  --kind-deep-unfreeze: #0d9488;
  --kind-unfreeze: #86efac;
  --kind-tele-in: #a855f7;
  --kind-tele-out: #d946ef;
  --kind-tele-checkpoint: #8b5cf6;
  --kind-speedup: #f97316;
  --kind-switch: #eab308;
  --kind-tune-zone: #ec4899;
  --kind-stopper: #92400e;
  --kind-spawn: #4ade80;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100%;
}

.shell {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: env(safe-area-inset-bottom, 16px);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 4px 20px;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot-off {
  background: var(--danger);
}

.dot-on {
  background: var(--ok);
}

.view h1 {
  font-size: 1.3rem;
  margin: 0 0 16px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  background: var(--panel);
  border: 1px solid #2a3040;
  color: var(--text);
  border-radius: 8px;
  padding: 12px;
  font-size: 1rem;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

button:active {
  opacity: 0.85;
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
  margin: 0;
}

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  background: var(--panel);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}

.status-grid dt {
  color: var(--muted);
  font-size: 0.85rem;
}

.status-grid dd {
  margin: 0;
  font-weight: 600;
  text-align: right;
}

#logout-button {
  background: var(--danger);
  width: 100%;
}

@media (min-width: 640px) {
  .shell {
    padding-top: 48px;
  }
}

/* Every element below is toggled via the plain `hidden` HTML attribute from `app.js`, but also
   gets its own unconditional `display: flex` further down (needed once shown) — author styles
   always win over the UA stylesheet's `[hidden] { display: none }` regardless of selector
   specificity (a same-origin, same-specificity rule falls back to source order, and these rules
   necessarily come later), so without this override `hidden` alone would do nothing on any of
   them. Kept in one place, ahead of those rules, rather than repeating `:not([hidden])` on each. */
.tabbar[hidden],
.game-view[hidden],
.replay-bar[hidden] {
  display: none;
}

/* ---------------------------------------------------------------------------------------------
   Task 5.2a: bottom tab bar.
   --------------------------------------------------------------------------------------------- */

/* Review round 1, finding F4: this used to switch to `position: static` at >=640px, which took
   it out of its own stacking context — the still-`position: fixed`, full-viewport `.game-view`
   then painted OVER it regardless of DOM order, making "Статус" (and therefore logout)
   unreachable while on the "Игра" tab on any desktop-sized screen. Simplest robust fix: this stays
   `position: fixed` with a high `z-index` at every viewport width, full stop — a fixed element
   always paints above an unpositioned-or-equally-stacked one in the same stacking context, so
   nothing on this page can cover it again by accident the same way. */
.tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  background: var(--panel);
  border-top: 1px solid #2a3040;
  padding-bottom: env(safe-area-inset-bottom, 0);
  z-index: 20;
}

.tabbar button {
  flex: 1;
  background: transparent;
  color: var(--muted);
  border-radius: 0;
  font-weight: 600;
  padding: 12px 8px;
}

.tabbar button.active {
  color: var(--text);
  box-shadow: inset 0 2px 0 var(--accent);
}

/* ---------------------------------------------------------------------------------------------
   Task 5.2a: the live map view itself — full-viewport, outside `.shell`'s narrow max-width.
   `.canvas-area` (canvas + its overlays) and `.bottom-stack` (replay bar + player list) are the
   two top-level flex children — see index.html's own comment on why they're split out this way
   (review round 1, finding F4).
   --------------------------------------------------------------------------------------------- */

.game-view {
  position: fixed;
  inset: 0;
  background: var(--kind-air);
  display: flex;
  flex-direction: column;
  /* Room for the always-`position: fixed` `.tabbar` at every viewport width — see `.tabbar`'s own
     comment for why this is never conditionally removed the way it used to be. */
  padding-bottom: calc(56px + env(safe-area-inset-bottom, 0));
}

.canvas-area {
  position: relative;
  flex: 1;
  min-height: 0; /* allow this flex child to actually shrink instead of overflowing the column */
  overflow: hidden;
}

#game-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none; /* we handle pan/pinch ourselves */
}

.hud-top {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: calc(8px + env(safe-area-inset-top, 0)) 12px 6px;
  background: linear-gradient(to bottom, rgba(16, 19, 24, 0.85), transparent);
  font-size: 0.78rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.hud-top strong {
  color: var(--text);
}

.view-controls {
  position: absolute;
  right: 8px;
  top: calc(8px + env(safe-area-inset-top, 0));
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.view-controls button {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 20px;
  background: rgba(24, 28, 36, 0.85);
  color: var(--text);
  font-size: 1.1rem;
  line-height: 1;
}

.view-controls button.active {
  background: var(--accent);
}

.legend {
  position: absolute;
  left: 8px;
  bottom: 8px;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  max-width: 60%;
  font-size: 0.65rem;
  color: var(--muted);
  pointer-events: none;
}

/* Replay transport (task 5.2a, acceptance criterion 3: "replay controls" in the HUD) + player
   list: a bottom sheet on phone (both stacked, in that order, right above `.tabbar`), a side
   column on desktop (acceptance criterion 3) — see `@media (min-width: 900px)` below. */
.bottom-stack {
  position: relative;
  z-index: 15; /* above `.canvas-area`'s own content; still below `.tabbar`'s 20 */
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.replay-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(16, 19, 24, 0.85);
  font-size: 0.8rem;
}

.replay-bar button {
  padding: 6px 10px;
  font-size: 0.9rem;
  min-width: 40px;
}

.replay-bar input[type="range"] {
  flex: 1;
  min-width: 0;
}

.replay-bar select {
  background: var(--panel);
  color: var(--text);
  border: 1px solid #2a3040;
  border-radius: 6px;
  padding: 6px;
}

.player-sheet {
  max-height: 30vh;
  overflow-y: auto;
  background: rgba(16, 19, 24, 0.92);
  border-top: 1px solid #2a3040;
}

.player-sheet ul {
  list-style: none;
  margin: 0;
  padding: 4px 8px;
}

.player-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 4px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.player-row.selected {
  background: rgba(79, 140, 255, 0.18);
}

.player-row .swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.player-row .name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-row .frozen-mark {
  color: var(--kind-freeze);
  font-size: 0.75rem;
}

.player-row .frozen-mark.deep {
  color: var(--kind-deep-freeze);
}

@media (min-width: 900px) {
  .game-view {
    flex-direction: row;
  }

  .bottom-stack {
    width: 260px;
    height: 100%;
    /* Normal (not reversed) column: DOM order already puts the replay bar first, the player
       list second — `.player-sheet`'s own `flex: 1` below just lets it fill the rest of the
       column's height instead of collapsing to its content's natural (short) height. */
  }

  .player-sheet {
    flex: 1;
    max-height: none;
  }
}

.legend span {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.legend i {
  width: 8px;
  height: 8px;
  border-radius: 2px;
  display: inline-block;
}