/* =============================================================
   CERO — Prologo Web Player
   Estilo Pixelrap. Aspect ratio 16:9 fijo en todo momento.
   ============================================================= */

:root {
  --bg:        #0a0a12;
  --bg-2:      #11111d;
  --bg-3:      #16162a;
  --ink:       #ececf5;
  --muted:     #9090ad;
  --cyan:      #2ce5ff;
  --magenta:   #ff3d9a;
  --yellow:    #ffd62e;
  --purple:    #7a5cff;
  --line:      #2a2a44;

  --pixel:  'Press Start 2P', monospace;
  --term:   'VT323', monospace;

  --bar-h: 44px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--term);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ─── Container y frame con aspect ratio 16:9 fijo ───────────────
   El frame se calcula como el mayor 16:9 que entra en el viewport
   (descontando la barra de controles abajo). Centrado vertical y
   horizontal con flex. En fullscreen sigue siendo 16:9 — letterbox
   automatico si el monitor no es 16:9.
*/

#game-container {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at center, rgba(122, 92, 255, 0.06) 0%, transparent 70%),
    var(--bg);
}

#game-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  /* Tomamos el menor entre: lo que entra a lo ancho, y lo que entra
     a lo alto (descontando la barra). Asi el frame siempre cabe. */
  width: min(100vw, calc((100vh - var(--bar-h)) * 16 / 9));
  height: min(calc(100vw * 9 / 16), calc(100vh - var(--bar-h)));
  background: #000;
  box-shadow:
    0 0 0 1px var(--line),
    0 0 60px rgba(44, 229, 255, 0.08),
    0 0 120px rgba(122, 92, 255, 0.05);
  overflow: hidden;
}

#unity-canvas {
  display: block;
  width: 100%;
  height: 100%;
  background: #000;
  outline: none;
}

/* ─── Loading overlay ──────────────────────────────────────────── */

#loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse at center, rgba(255, 61, 154, 0.08) 0%, transparent 60%),
    var(--bg);
  z-index: 10;
  transition: opacity 0.8s ease;
  gap: 0.6rem;
}

#loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-logo {
  font-family: var(--pixel);
  font-size: clamp(4rem, 12vw, 9rem);
  color: var(--magenta);
  text-shadow:
    0 0 12px var(--magenta),
    0 0 30px rgba(255, 61, 154, 0.5),
    0 0 50px var(--purple);
  animation: logo-pulse 2.4s ease-in-out infinite;
  line-height: 1;
  margin-bottom: 1rem;
}

@keyframes logo-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.75; transform: scale(0.97); }
}

.loading-title {
  font-family: var(--pixel);
  font-size: 1.2rem;
  letter-spacing: 0.4em;
  color: var(--ink);
  margin-bottom: 1.6rem;
  padding-left: 0.4em;  /* compensar el letter-spacing del ultimo char */
}

.loading-bar {
  width: min(380px, 70vw);
  height: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  overflow: hidden;
  position: relative;
}

.loading-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--magenta) 60%, var(--yellow));
  transition: width 0.2s ease;
  box-shadow:
    0 0 8px var(--cyan),
    inset 0 0 4px rgba(255, 255, 255, 0.4);
}

.loading-pct {
  font-family: var(--term);
  font-size: 1.4rem;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-shadow: 0 0 8px rgba(44, 229, 255, 0.5);
}

.loading-hint {
  font-family: var(--term);
  font-size: 1.1rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-top: 0.4rem;
}

/* ─── Error banner ─────────────────────────────────────────────── */

#error-banner {
  position: absolute;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.8rem 1.4rem;
  background: var(--bg-2);
  border: 1px solid var(--magenta);
  color: var(--ink);
  font-family: var(--term);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  z-index: 100;
  display: none;
  box-shadow: 0 0 20px rgba(255, 61, 154, 0.3);
  max-width: 80%;
  text-align: center;
}

#error-banner.show     { display: block; }
#error-banner.error    { border-color: var(--magenta); color: var(--magenta); }
#error-banner.warning  { border-color: var(--yellow);  color: var(--yellow); }

/* ─── Barra de controles inferior ──────────────────────────────── */

#game-controls {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  background: rgba(10, 10, 18, 0.92);
  border-top: 1px solid var(--line);
  font-family: var(--term);
  font-size: 1.1rem;
  color: var(--muted);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 20;
}

.control-btn {
  cursor: pointer;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  font-family: var(--term);
  font-size: 1.1rem;
  text-decoration: none;
  padding: 0.4rem 0.8rem;
  letter-spacing: 0.06em;
  transition: color 0.15s ease, border-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
}

.control-btn:hover,
.control-btn:focus {
  color: var(--cyan);
  border-color: var(--line);
  outline: none;
}

.control-btn .arrow { color: var(--magenta); font-size: 1.2em; }
.control-btn .fs-icon { color: var(--cyan); font-size: 1.1em; }

.control-title {
  font-family: var(--pixel);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--ink);
}

/* ─── Fullscreen: ocultar barra + frame full viewport ──────────── */

:fullscreen #game-controls,
:-webkit-full-screen #game-controls {
  display: none;
}

:fullscreen #game-frame,
:-webkit-full-screen #game-frame {
  width: min(100vw, calc(100vh * 16 / 9));
  height: min(100vh, calc(100vw * 9 / 16));
}

/* ─── Responsive (mobile / pantallas chicas) ───────────────────── */

@media (max-width: 768px) {
  :root { --bar-h: 36px; }
  .control-title { font-size: 0.55rem; letter-spacing: 0.2em; }
  .control-btn { font-size: 0.95rem; padding: 0.3rem 0.5rem; }
  .loading-title { font-size: 0.9rem; }
}

@media (max-width: 480px) {
  .control-title { display: none; }
}