/* VT323 — self-hosted (no third-party font request; nothing leaves the device).
   Global type face for the whole piece. Never IBM Plex / Montserrat / Raleway. */
@font-face {
  font-family: 'VT323';
  src: url('../assets/fonts/vt323.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

html, body {
  margin: 0;
  background: #020508;
  overflow: hidden;
  font-family: 'VT323', ui-monospace, monospace;
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* ======================================================================
   T21 — Tron-Legacy HUD chrome + farewell. Cyan-on-void, VT323.
   Palette: filament #22E5FF · glow #7BF7FF · void #020508.
   ====================================================================== */

.hidden { display: none !important; }

/* Fixed top HUD bar — transparent to pointer events except its buttons. */
.hud {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  padding: 0.6em 1em;
  pointer-events: none;
  font-family: 'VT323', ui-monospace, monospace;
  color: #7BF7FF;
  background: linear-gradient(rgba(2, 5, 8, 0.55), rgba(2, 5, 8, 0));
}

.hud-left {
  display: flex;
  align-items: center;
  gap: 0.6em;
  min-width: 0;
}

.hud-glyph {
  font-size: 1.4rem;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(34, 229, 255, 0.7));
}

.hud-hint {
  font-size: 1rem;
  letter-spacing: 0.04em;
  opacity: 0.8;
  text-shadow: 0 0 8px rgba(34, 229, 255, 0.4);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hud-right {
  display: flex;
  align-items: center;
  gap: 0.5em;
}

.hud-btn {
  pointer-events: auto;
  cursor: pointer;
  font-family: 'VT323', ui-monospace, monospace;
  font-size: 1rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #22E5FF;
  background: rgba(2, 6, 10, 0.55);
  border: 1px solid #22E5FF;
  padding: 0.2em 0.7em;
  box-shadow: 0 0 6px rgba(34, 229, 255, 0.35), inset 0 0 8px rgba(34, 229, 255, 0.08);
  text-shadow: 0 0 6px rgba(34, 229, 255, 0.6);
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.hud-btn:hover {
  background: #22E5FF;
  color: #020508;
  text-shadow: none;
  box-shadow: 0 0 14px rgba(34, 229, 255, 0.7);
}

/* Dropdown menu (finish / restart / fullscreen / mute). */
.hud-menu {
  position: fixed;
  top: 3em;
  right: 1em;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  min-width: 12ch;
  font-family: 'VT323', ui-monospace, monospace;
  background: rgba(2, 6, 10, 0.92);
  border: 1px solid #22E5FF;
  box-shadow: 0 0 18px rgba(34, 229, 255, 0.35), inset 0 0 20px rgba(34, 229, 255, 0.06);
}

.hud-menu-item {
  cursor: pointer;
  text-align: left;
  font-family: 'VT323', ui-monospace, monospace;
  font-size: 1.05rem;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  color: #7BF7FF;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(34, 229, 255, 0.2);
  padding: 0.5em 1em;
  text-shadow: 0 0 6px rgba(34, 229, 255, 0.4);
  transition: background 0.15s ease, color 0.15s ease;
}

.hud-menu-item:last-child { border-bottom: 0; }

.hud-menu-item:hover {
  background: #22E5FF;
  color: #020508;
  text-shadow: none;
}

/* Farewell screen. */
.farewell {
  position: fixed;
  inset: 0;
  z-index: 10002;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at center, rgba(2, 5, 8, 0.92) 0%, rgba(2, 5, 8, 0.99) 100%);
  opacity: 0;
  transition: opacity 1.2s ease;
  font-family: 'VT323', ui-monospace, monospace;
}

.farewell.farewell-visible { opacity: 1; }

.farewell-inner {
  text-align: center;
  padding: 2em;
}

.farewell-breath {
  margin: 0 0 2em;
  font-size: clamp(20px, 3.5vw, 34px);
  letter-spacing: 0.05em;
  color: #7BF7FF;
  text-shadow: 0 0 12px rgba(34, 229, 255, 0.6), 0 0 28px rgba(34, 229, 255, 0.3);
}

.farewell-buttons {
  display: flex;
  gap: 1em;
  justify-content: center;
  flex-wrap: wrap;
}

.farewell-btn {
  cursor: pointer;
  font-family: 'VT323', ui-monospace, monospace;
  font-size: 1.2rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: #22E5FF;
  background: transparent;
  border: 1px solid #22E5FF;
  padding: 0.55em 1.7em;
  box-shadow: 0 0 8px rgba(34, 229, 255, 0.35), inset 0 0 10px rgba(34, 229, 255, 0.06);
  text-shadow: 0 0 8px rgba(34, 229, 255, 0.6);
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.farewell-btn:hover {
  background: #22E5FF;
  color: #020508;
  text-shadow: none;
  box-shadow: 0 0 16px rgba(34, 229, 255, 0.7);
}