/* =====================================================================
   HUD tokens (the 3D world is styled in js/themes.js)
   ===================================================================== */
:root {
  --accent: #00f0ff;
  --accent-2: #ff2bd6;
  --text: #e2ecff;
  --muted: #8a93bd;
  --panel-bg: rgba(10, 8, 22, 0.72);
  --panel-border: rgba(0, 240, 255, 0.35);
  --panel-radius: 10px;
  --w-ui: #9ffaff;
  --b-ui: #ff9bea;
  --font-body: ui-monospace, "Cascadia Code", "SF Mono", Consolas, monospace;
  --font-display: var(--font-body);
  --title-color: #fff;
  --title-shadow: 0 0 6px #00f0ff, 0 0 18px #00f0ff;
  --title-spacing: 0.08em;
  --bg: #05040b;
  color-scheme: dark;
}

/* =====================================================================
   Base
   ===================================================================== */
* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 var(--font-body);
  -webkit-tap-highlight-color: transparent;
}

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

/* ===== Loader ===== */
.loader {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-content: center; justify-items: center; gap: 18px;
  background: var(--bg);
  color: var(--muted);
  letter-spacing: 0.2em;
  text-align: center;
  padding: 16px;
  transition: opacity 0.8s ease 0.3s, visibility 0s linear 1.1s;
}
.loader.is-done { opacity: 0; visibility: hidden; }
.loader code { color: var(--accent); letter-spacing: 0; }
.loader__ring {
  width: 54px; height: 54px; border-radius: 50%;
  border: 3px solid color-mix(in srgb, var(--accent) 25%, transparent);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== HUD layer ===== */
.hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; }
.hud > * { pointer-events: auto; }

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}
.panel__title {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-weight: 600;
}
.muted { color: var(--muted); margin: 0 0 6px; font-size: 12px; }

/* ===== Top bar ===== */
.hud-top {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  padding: max(14px, env(safe-area-inset-top)) 18px 0;
  pointer-events: none;
}
.hud-top > * { pointer-events: auto; }

.brand { text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6); }
.tag { margin: 0; font-size: 11px; letter-spacing: 0.22em; color: var(--muted); }
.title {
  margin: 2px 0 2px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 40px);
  letter-spacing: var(--title-spacing);
  color: var(--title-color);
  text-shadow: var(--title-shadow);
  line-height: 1.05;
}
.pos-info { margin: 0; font-size: 11px; letter-spacing: 0.14em; color: var(--muted); }
.pos-info span { color: var(--text); }
.pos-rank { letter-spacing: 0.3em; color: var(--accent) !important; }

.toolbar { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.tool {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  min-width: 56px; padding: 8px 8px 6px;
  font: inherit; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, transform 0.15s, box-shadow 0.15s;
}
.tool__icon { font-size: 18px; line-height: 1; }
.tool:hover:not(:disabled), .tool:focus-visible, .tool[aria-expanded="true"] {
  border-color: var(--accent); color: var(--accent); outline: none;
  box-shadow: 0 0 16px color-mix(in srgb, var(--accent) 35%, transparent);
  transform: translateY(-1px);
}
.tool:disabled { opacity: 0.4; cursor: default; }

/* ===== Settings ===== */
.settings {
  position: absolute; top: 92px; right: 18px;
  width: min(330px, calc(100vw - 32px));
  max-height: calc(100vh - 220px); overflow: auto;
  padding: 16px;
  animation: drop-in 0.25s ease-out;
}
.settings .panel__title:not(:first-child) { margin-top: 16px; }
@keyframes drop-in { from { opacity: 0; transform: translateY(-8px); } }

.row {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 7px 0; font-size: 13px; cursor: pointer;
}
.row small { color: var(--muted); }
.row b { color: var(--accent); font-weight: 600; }
select {
  font: inherit; color: var(--text); background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--panel-border); border-radius: 4px; padding: 4px 6px;
}
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }

/* ===== Move log ===== */
.log {
  position: absolute; right: 18px; bottom: 110px;
  width: 210px; max-height: 38vh;
  padding: 12px 12px 8px;
  display: flex; flex-direction: column;
}
.moves {
  margin: 0; padding: 0; list-style: none; overflow-y: auto;
  font-family: ui-monospace, Consolas, monospace; font-size: 13px;
}
.moves li { display: grid; grid-template-columns: 30px 1fr 1fr; padding: 2px 0; }
.moves li:last-child { color: var(--accent); }
.mv-n { color: var(--muted); }

/* ===== Player panels ===== */
.players {
  position: absolute; left: 50%; bottom: max(16px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex; gap: 14px;
  pointer-events: none;
}
.player {
  pointer-events: auto;
  position: relative;
  display: flex; align-items: center; gap: 10px;
  min-width: 250px; padding: 10px 14px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--panel-radius);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  opacity: 0.72;
  transition: opacity 0.3s, box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}
.player[data-color="w"] { --side: var(--w-ui); }
.player[data-color="b"] { --side: var(--b-ui); }
.player__crest {
  flex: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--side); box-shadow: 0 0 10px var(--side);
}
.player__name { font-family: var(--font-display); letter-spacing: 0.12em; color: var(--side); font-size: 15px; }
.player__status { font-size: 10px; letter-spacing: 0.2em; color: var(--muted); }
.player__caps { margin-left: auto; display: flex; flex-wrap: wrap; max-width: 120px; font-size: 16px; line-height: 1; }

.player.is-active {
  opacity: 1;
  border-color: var(--side);
  transform: translateY(-3px);
  animation: turn-glow 2s ease-in-out infinite;
}
.player.is-active .player__status { color: var(--text); }
.player.is-checked { animation: check-glow 0.6s ease-in-out infinite alternate; }
.player.is-checked .player__status { color: #ff5a4a; }
@keyframes turn-glow {
  0%, 100% { box-shadow: 0 0 12px color-mix(in srgb, var(--side) 30%, transparent); }
  50% { box-shadow: 0 0 26px color-mix(in srgb, var(--side) 60%, transparent); }
}
@keyframes check-glow {
  from { box-shadow: 0 0 10px rgba(255, 40, 30, 0.4); border-color: #ff3a2a; }
  to { box-shadow: 0 0 30px rgba(255, 40, 30, 0.9); border-color: #ff7a6a; }
}

.cap { text-shadow: 0 0 6px currentColor; }
.cap--w { color: var(--w-ui); }
.cap--b { color: var(--b-ui); }

/* ===== Banner ===== */
.banner {
  position: absolute; left: 50%; top: 40%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.8);
}
.banner.is-final { pointer-events: auto; }
.banner.is-in { animation: banner-in 0.5s cubic-bezier(0.2, 1.4, 0.4, 1) both; }
@keyframes banner-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(1.6); filter: blur(6px); }
  to { opacity: 1; transform: translate(-50%, -50%) scale(1); filter: none; }
}
.banner__kicker { margin: 0; letter-spacing: 0.4em; font-size: 12px; color: var(--accent); }
.banner__title {
  margin: 4px 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 9vw, 96px);
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--title-color);
  text-shadow: var(--title-shadow), 0 6px 30px rgba(0, 0, 0, 0.8);
}
.banner:not(.is-final) .banner__title { color: #ff4a3a; text-shadow: 0 0 24px rgba(255, 60, 40, 0.8); }
.banner__sub { margin: 0 0 16px; letter-spacing: 0.25em; font-size: 13px; }

.btn {
  font: inherit; font-size: 14px; letter-spacing: 0.2em;
  padding: 12px 22px;
  color: var(--bg); background: var(--accent);
  border: 0; border-radius: var(--panel-radius);
  cursor: pointer;
  box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 55%, transparent);
}
.btn:hover, .btn:focus-visible { filter: brightness(1.15); outline: 2px solid var(--text); outline-offset: 2px; }

/* ===== Promotion ===== */
.promo {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  padding: 16px; text-align: center;
  animation: drop-in 0.2s ease-out;
}
.promo__choices { display: flex; gap: 8px; }
.promo__btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  width: 78px; padding: 10px 6px;
  font: inherit; font-size: 10px; letter-spacing: 0.14em; color: var(--text);
  background: rgba(0, 0, 0, 0.35); border: 1px solid var(--panel-border); border-radius: 6px;
  cursor: pointer;
}
.promo__btn:hover, .promo__btn:focus-visible { border-color: var(--accent); outline: none; color: var(--accent); }
.promo__glyph { font-size: 34px; line-height: 1; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .log { display: none; }
}
@media (max-width: 640px) {
  .hud-top { flex-direction: column; align-items: stretch; padding: max(10px, env(safe-area-inset-top)) 12px 0; }
  .toolbar { justify-content: flex-start; }
  .tool { min-width: 0; flex: 1; padding: 6px 4px; }
  .tool__label { font-size: 9px; }
  .settings { top: auto; bottom: 120px; right: 12px; left: 12px; width: auto; max-height: 55vh; }
  .players { left: 12px; right: 12px; transform: none; gap: 8px; }
  .player { min-width: 0; flex: 1; padding: 8px 10px; gap: 8px; }
  .player__name { font-size: 12px; }
  .player__status { font-size: 9px; letter-spacing: 0.12em; }
  .player__caps { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .player.is-active, .player.is-checked, .banner.is-in { animation: none; }
}