/* ==========================================================================
   Estilos corporativos y de juego: Crossy road 3D (Cruce de carretera y río voxel)
   Fijate Tools • Three.js WebGL • Responsive • Modales accesibles
   ========================================================================== */

:root {
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Paleta voxel viva */
  --voxel-green: #22c55e;
  --voxel-green-dark: #16a34a;
  --voxel-green-glow: rgba(34, 197, 94, 0.4);
  --voxel-yellow: #facc15;
  --voxel-yellow-glow: rgba(250, 204, 21, 0.4);
  --voxel-blue: #38bdf8;
  --voxel-blue-glow: rgba(56, 189, 248, 0.4);
  --voxel-red: #ef4444;
  --voxel-orange: #f97316;

  /* Temas */
  --voxel-bg: #070a10;
  --voxel-card-bg: #0c1220;
  --voxel-border: #1a2538;
  --voxel-text-muted: #8c9eb5;
  --voxel-text-main: #f0f4f8;
}

[data-theme="light"] {
  --voxel-bg: #f8fafc;
  --voxel-card-bg: #ffffff;
  --voxel-border: #e2e8f0;
  --voxel-text-muted: #64748b;
  --voxel-text-main: #0f172a;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background-color: var(--voxel-bg);
  color: var(--voxel-text-main);
  line-height: 1.5;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
}

body {
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6, .brand-title, .section-title, .hud-status-text, .modal-voxel-title {
  font-family: var(--font-heading);
}

.text-mono, .mono, code, pre, kbd, .hud-score-number, .hud-coin-number {
  font-family: var(--font-mono);
}

button, input, select, textarea {
  font-family: inherit;
}

/* Layout canónico */
.tool-layout {
  max-width: 1200px;
  margin: 1.5rem auto 3rem;
  padding: 0 1rem;
  box-sizing: border-box;
  flex: 1 0 auto;
  width: 100%;
}

.tool-with-sidebar {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  width: 100%;
}

.tool-main-content {
  flex: 1 1 0%;
  min-width: 0;
  width: 100%;
}

/* Visor 3D inmersivo */
.game-viewport-card {
  position: relative;
  width: 100%;
  background: radial-gradient(circle at 50% 50%, #172554 0%, #070a10 75%);
  border-radius: 16px;
  border: 1px solid var(--voxel-border);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
  overflow: hidden;
  margin-bottom: 1.25rem;
  box-sizing: border-box;
}

.game-hud-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.25rem;
  background: linear-gradient(180deg, rgba(7, 10, 16, 0.88) 0%, rgba(7, 10, 16, 0.4) 70%, transparent 100%);
  z-index: 10;
  pointer-events: none;
}

.hud-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hud-score-block {
  display: flex;
  flex-direction: column;
}

.hud-score-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--voxel-green);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.hud-score-label.is-high {
  color: var(--voxel-yellow);
}

.hud-score-number {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

.hud-score-number.is-high {
  color: var(--voxel-yellow);
  text-shadow: 0 0 12px var(--voxel-yellow-glow);
}

.hud-coins-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(12, 18, 32, 0.85);
  border: 1px solid rgba(250, 204, 21, 0.35);
  padding: 0.35rem 0.85rem;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--voxel-yellow);
  box-shadow: 0 0 12px var(--voxel-yellow-glow);
}

.hud-coin-icon {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fbbf24;
  border: 2px solid #d97706;
  display: inline-block;
  box-shadow: 0 0 6px #f59e0b;
}

.hud-status-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(7, 10, 16, 0.94);
  border: 2px solid var(--voxel-yellow);
  box-shadow: 0 0 35px var(--voxel-yellow-glow);
  padding: 1.1rem 2.2rem;
  border-radius: 14px;
  z-index: 20;
  pointer-events: none;
  display: none;
  text-align: center;
}

.hud-status-text {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--voxel-yellow);
  letter-spacing: 1.2px;
  text-shadow: 0 0 16px var(--voxel-yellow-glow);
  white-space: nowrap;
}

/* Contenedor Canvas WebGL */
#crossy-canvas-container {
  width: 100%;
  height: clamp(660px, 75vh, 880px);
  min-height: 560px;
  position: relative;
  display: block;
  touch-action: none;
  cursor: grab;
}

#crossy-canvas-container:active {
  cursor: grabbing;
}

@media (min-width: 1400px) {
  #crossy-canvas-container {
    height: clamp(720px, 78vh, 920px);
  }
}

@media (max-width: 768px) {
  #crossy-canvas-container {
    height: clamp(440px, 60vh, 580px);
    min-height: 400px;
  }
}

#crossy-canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* D-Pad táctil móvil */
.touch-dpad-container {
  display: none;
  position: absolute;
  bottom: 1.2rem;
  right: 1.2rem;
  z-index: 15;
  width: 136px;
  height: 136px;
  pointer-events: auto;
}

@media (max-width: 992px) {
  .touch-dpad-container {
    display: block;
  }
}

.dpad-cross {
  position: relative;
  width: 100%;
  height: 100%;
}

.btn-dpad {
  position: absolute;
  width: 44px;
  height: 44px;
  background: rgba(12, 18, 32, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.45);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--voxel-blue);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: background 0.1s, transform 0.1s, box-shadow 0.1s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.btn-dpad:active {
  background: var(--voxel-blue);
  color: #060912;
  transform: scale(0.92);
  box-shadow: 0 0 16px var(--voxel-blue-glow);
}

.btn-dpad-up { top: 0; left: 46px; }
.btn-dpad-down { bottom: 0; left: 46px; }
.btn-dpad-left { top: 46px; left: 0; }
.btn-dpad-right { top: 46px; right: 0; }

/* Barra de controles */
.game-controls-deck {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
  justify-content: space-between;
  background: var(--voxel-card-bg);
  border: 1px solid var(--voxel-border);
  border-radius: 12px;
  padding: 0.85rem 1.25rem;
  margin-bottom: 2rem;
}

.deck-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.deck-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--voxel-text-muted);
  text-transform: uppercase;
  margin-right: 0.25rem;
}

.btn-arcade {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.86rem;
  border-radius: 8px;
  padding: 0.48rem 0.95rem;
  cursor: pointer;
  transition: all 0.18s ease;
  min-height: 40px;
  border: 1px solid transparent;
  user-select: none;
}

.btn-arcade-outline {
  background: rgba(18, 24, 38, 0.7);
  border-color: var(--voxel-border);
  color: var(--voxel-text-main);
}

.btn-arcade-outline:hover {
  border-color: var(--voxel-blue);
  color: var(--voxel-blue);
  box-shadow: 0 0 12px var(--voxel-blue-glow);
}

.btn-arcade-outline.is-active {
  background: rgba(56, 189, 248, 0.15);
  border-color: var(--voxel-blue);
  color: var(--voxel-blue);
  box-shadow: 0 0 14px var(--voxel-blue-glow);
}

.btn-arcade-primary {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  color: #ffffff;
  font-weight: 700;
  border: none;
  box-shadow: 0 4px 14px var(--voxel-green-glow);
}

.btn-arcade-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--voxel-green-glow);
}

/* Barra de atajos */
.game-shortcuts-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-top: -1.25rem;
  margin-bottom: 2rem;
  padding: 0.65rem 1rem;
  background: rgba(12, 18, 32, 0.45);
  border: 1px dashed var(--voxel-border);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--voxel-text-muted);
}

.shortcut-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.shortcut-key {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--voxel-text-main);
}

/* Modales accesibles */
.crossy-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 12, 0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.crossy-modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.crossy-modal-card {
  background: var(--voxel-card-bg);
  border: 2px solid var(--voxel-green);
  box-shadow: 0 0 40px var(--voxel-green-glow);
  border-radius: 16px;
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  text-align: center;
  transform: scale(0.92);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.crossy-modal-backdrop.is-open .crossy-modal-card {
  transform: scale(1);
}

.modal-voxel-title {
  font-size: 1.85rem;
  color: var(--voxel-yellow);
  margin-top: 0;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 16px var(--voxel-yellow-glow);
}

.modal-score-box {
  background: rgba(6, 9, 18, 0.7);
  border: 1px solid var(--voxel-border);
  border-radius: 12px;
  padding: 1.25rem;
  margin: 1.5rem 0;
}

.modal-score-label {
  font-size: 0.85rem;
  color: var(--voxel-text-muted);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.modal-score-val {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

/* Tarjetas selector de personaje */
.char-selection-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

.char-card {
  background: rgba(18, 24, 38, 0.6);
  border: 2px solid var(--voxel-border);
  border-radius: 12px;
  padding: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
}

.char-card:hover {
  border-color: var(--voxel-blue);
  transform: translateY(-2px);
  box-shadow: 0 0 16px var(--voxel-blue-glow);
}

.char-card.is-selected {
  border-color: var(--voxel-green);
  background: rgba(34, 197, 94, 0.12);
  box-shadow: 0 0 18px var(--voxel-green-glow);
}

.char-icon-box {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.char-name {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--voxel-text-main);
}

.char-status {
  font-size: 0.75rem;
  color: var(--voxel-text-muted);
}

/* Guía didáctica SEO */
.voxel-guide-section {
  background: var(--voxel-card-bg);
  border: 1px solid var(--voxel-border);
  border-radius: 14px;
  padding: 2rem;
  margin-top: 2rem;
}

.voxel-guide-section h2 {
  font-size: 1.45rem;
  color: var(--voxel-green);
  margin-top: 0;
  margin-bottom: 1rem;
}

.voxel-guide-section h3 {
  font-size: 1.15rem;
  color: var(--voxel-text-main);
  margin-top: 1.5rem;
  margin-bottom: 0.65rem;
}

.voxel-guide-section p, .voxel-guide-section li {
  color: var(--voxel-text-muted);
  line-height: 1.65;
  font-size: 0.95rem;
}

/* Biomas info grid */
.biome-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin: 1.25rem 0;
}

.biome-card {
  background: rgba(6, 9, 18, 0.6);
  border: 1px solid var(--voxel-border);
  border-radius: 10px;
  padding: 1rem;
}

.biome-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
}

.biome-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.biome-dot.is-grass { background: var(--voxel-green); }
.biome-dot.is-road { background: #64748b; }
.biome-dot.is-river { background: var(--voxel-blue); }
.biome-dot.is-rail { background: var(--voxel-red); }

/* FAQ Accordion */
.faq-accordion {
  margin-top: 1.5rem;
}

.faq-item {
  border-bottom: 1px solid var(--voxel-border);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1rem 0;
  color: var(--voxel-text-main);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding-bottom: 1rem;
  color: var(--voxel-text-muted);
  font-size: 0.94rem;
  line-height: 1.6;
}