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

:root {
  --bg:           #0f0f1a;
  --hud-bg:       rgba(10,10,24,0.92);
  --hud-border:   rgba(120,80,200,0.35);
  --accent:       #9f7aea;
  --accent2:      #68d391;
  --text:         #e2e8f0;
  --text-muted:   #a0aec0;
  --modal-bg:     #1a1a2e;
  --modal-border: rgba(159,122,234,0.4);
  --opt-bg:       #252540;
  --opt-hover:    #2d2d55;
  --opt-correct:  #276749;
  --opt-wrong:    #742a2a;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

/* ══════════════════════════════════════════
   SHELL (game area)
══════════════════════════════════════════ */
.shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  height: 100vh;
}

/* ── HUD ── */
.hud {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  background: var(--hud-bg);
  border-bottom: 1px solid var(--hud-border);
  backdrop-filter: blur(6px);
}

.hud-cell { display: flex; flex-direction: column; gap: 1px; }

.hud-label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.hud-cell strong { font-size: 13px; color: var(--text); }

.hud-hint {
  margin-left: auto;
  font-size: 11px;
  color: var(--accent);
  font-weight: 600;
  animation: pulseHint 1.4s ease-in-out infinite;
}

.hud-map-btn {
  margin-left: 8px;
  padding: 4px 10px;
  background: rgba(159,122,234,0.15);
  border: 1px solid var(--hud-border);
  border-radius: 6px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.hud-map-btn:hover { background: rgba(159,122,234,0.28); }

@keyframes pulseHint { 0%,100%{opacity:1} 50%{opacity:0.4} }

/* ── CANVAS ── */
.canvas-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #0a0a14;
}

#gameCanvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  cursor: crosshair;
}

/* ── TOUCH CONTROLS ── */
.touch-controls {
  flex-shrink: 0;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 10px 0 14px;
  background: var(--hud-bg);
  border-top: 1px solid var(--hud-border);
}

@media (pointer: coarse) { .touch-controls { display: flex; } }

.dpad { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.dpad-row { display: flex; gap: 3px; }

.dpad-btn {
  width: 44px; height: 44px;
  background: rgba(159,122,234,0.15);
  border: 1px solid rgba(159,122,234,0.35);
  border-radius: 8px;
  color: var(--text);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.1s;
}
.dpad-btn:active, .dpad-btn.pressed { background: rgba(159,122,234,0.4); }

.dpad-action {
  background: rgba(104,211,145,0.15);
  border-color: rgba(104,211,145,0.4);
  color: var(--accent2);
  font-size: 18px;
}
.dpad-action:active, .dpad-action.pressed { background: rgba(104,211,145,0.4); }

/* ══════════════════════════════════════════
   WORLD SELECT SCREEN
══════════════════════════════════════════ */
.ws-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #0a0a1e 0%, #12102a 50%, #0a1420 100%);
  overflow-y: auto;
  padding: 16px;
}

.ws-screen.hidden { display: none; }

.ws-panel {
  width: 100%;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 8px 0;
}

.ws-header { text-align: center; }

.ws-logo {
  font-size: 36px;
  line-height: 1;
  margin-bottom: 6px;
  display: block;
  filter: drop-shadow(0 0 12px rgba(159,122,234,0.8));
}

.ws-title {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, #c4b5fd, #68d391);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.ws-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

/* total progress */
.ws-total-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ws-total-bar {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}

.ws-total-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 999px;
  transition: width 0.5s ease;
  width: 0%;
}

.ws-total-label {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* world cards grid */
.ws-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.ws-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 18px 14px;
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.18s, border-color 0.18s, transform 0.15s;
  position: relative;
  overflow: hidden;
}

.ws-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--ws-card-color, rgba(159,122,234,0.06));
  opacity: 0;
  transition: opacity 0.18s;
}

.ws-card:hover { border-color: rgba(255,255,255,0.22); transform: translateY(-2px); }
.ws-card:hover::before { opacity: 1; }
.ws-card:active { transform: translateY(0); }

.ws-card-complete { border-color: rgba(104,211,145,0.4); }
.ws-card-complete::after {
  content: '✓ Completado';
  position: absolute;
  top: 10px; right: 10px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--accent2);
  background: rgba(104,211,145,0.12);
  border: 1px solid rgba(104,211,145,0.3);
  border-radius: 4px;
  padding: 2px 5px;
}

.ws-card-icon { font-size: 28px; line-height: 1; }

.ws-card-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  display: block;
}

.ws-card-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

.ws-card-bar-wrap {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
}

.ws-card-bar {
  height: 100%;
  border-radius: 999px;
  background: var(--ws-bar-color, var(--accent));
  transition: width 0.4s ease;
}

.ws-card-count {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

.ws-exit-btn {
  align-self: center;
  padding: 9px 20px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.ws-exit-btn:hover { background: rgba(255,255,255,0.06); color: var(--text); }

/* ══════════════════════════════════════════
   MODALES GENÉRICOS
══════════════════════════════════════════ */
.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(4px);
  z-index: 100;
  padding: 16px;
}
.overlay.hidden { display: none; }

.modal-card {
  background: var(--modal-bg);
  border: 1px solid var(--modal-border);
  border-radius: 16px;
  padding: 24px 20px;
  max-width: 420px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 0 40px rgba(159,122,234,0.2);
}

.modal-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--accent);
  font-weight: 700;
}

.modal-item-name { font-size: 22px; font-weight: 700; }

.modal-question {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.modal-options { display: flex; flex-direction: column; gap: 8px; }

.opt-btn {
  background: var(--opt-bg);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 11px 14px;
  color: var(--text);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  line-height: 1.3;
}
.opt-btn:hover:not(:disabled) { background: var(--opt-hover); border-color: rgba(159,122,234,0.4); }
.opt-btn.correct { background: var(--opt-correct); border-color: #38a169; color: #f0fff4; }
.opt-btn.wrong   { background: var(--opt-wrong);   border-color: #e53e3e; color: #fff5f5; }
.opt-btn:disabled { cursor: default; }

.modal-feedback {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
  padding: 8px 10px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  border-left: 3px solid var(--accent);
}
.modal-feedback.hidden { display: none; }

/* ── JUEGO COMPLETO ── */
.modal-card-complete { text-align: center; }
.modal-card-complete h2 { font-size: 22px; }
.complete-sub { font-size: 13px; color: var(--text-muted); line-height: 1.4; }

.complete-stats { display: flex; gap: 12px; justify-content: center; }

.complete-stat {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.complete-stat span { font-size: 10px; text-transform: uppercase; letter-spacing:.06em; color: var(--text-muted); }
.complete-stat strong { font-size: 18px; color: var(--accent2); }

.modal-actions { display: flex; gap: 10px; }

.btn-primary, .btn-secondary {
  flex: 1;
  padding: 11px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
}
.btn-primary  { background: var(--accent); color: #fff; }
.btn-secondary{ background: rgba(255,255,255,0.07); color: var(--text); border: 1px solid rgba(255,255,255,0.12); }
.btn-primary:hover, .btn-secondary:hover { opacity: 0.85; }

/* ── FADE OVERLAY ── */
.fade-overlay {
  position: fixed; inset: 0;
  background: #000;
  opacity: 0;
  pointer-events: none;
  z-index: 150;
  transition: opacity 0.35s ease;
}
.fade-overlay.hidden { display: none; }
.fade-overlay.fading { opacity: 1; pointer-events: all; }