/* ============================================================================
   SCAN TO SURVIVE — styles.css
   Hereda variables de ../../styles.css
============================================================================ */

/* ---- Layout de pantallas ---- */
#stsWrapper {
  position: relative;
  overflow: hidden;
  max-width: 680px;
  width: 100%;
}

.sts-screen {
  display: none;
  width: 100%;
  min-height: 400px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  box-sizing: border-box;
  animation: stsFadeIn 0.25s ease;
}

.sts-screen--active {
  display: flex;
}

/* Modal (pausa) — sobre el gameplay */
.sts-screen--modal {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 20;
  min-height: unset;
}

@keyframes stsFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- Botones ---- */
.sts-btn {
  display: inline-block;
  padding: 12px 28px;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s, opacity 0.15s;
  text-align: center;
  letter-spacing: 0.02em;
  margin: 6px;
  touch-action: manipulation;
}

.sts-btn:active { transform: scale(0.96); }

.sts-btn--primary {
  background: var(--gold, #f0c040);
  color: #111;
  box-shadow: 0 4px 16px rgba(240,192,64,0.35);
}

.sts-btn--primary:hover { opacity: 0.9; }

.sts-btn--secondary {
  background: transparent;
  color: var(--text-primary, #eee);
  border: 1.5px solid var(--text-primary, #eee);
}

.sts-btn--secondary:hover { background: rgba(255,255,255,0.08); }

.sts-btn--ghost {
  background: transparent;
  color: var(--text-secondary, #aaa);
  font-size: 0.9rem;
  padding: 8px 16px;
}

.sts-btn--capture {
  background: var(--cyan, #00e5ff);
  color: #000;
  font-size: 1.15rem;
  padding: 18px 36px;
  border-radius: 50px;
  box-shadow: 0 0 24px rgba(0,229,255,0.5);
  animation: capturePulse 2s infinite;
}

@keyframes capturePulse {
  0%, 100% { box-shadow: 0 0 24px rgba(0,229,255,0.5); }
  50%       { box-shadow: 0 0 40px rgba(0,229,255,0.9); }
}

/* ---- Menú ---- */
.sts-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.sts-menu__subtitle {
  color: var(--text-secondary, #aaa);
  font-size: 1.05rem;
  margin: 0;
}

.sts-menu__buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 280px;
}

.sts-menu__buttons .sts-btn { width: 100%; }

/* ---- Cómo Jugar ---- */
.sts-how-to {
  max-width: 480px;
  width: 100%;
  text-align: left;
}

.sts-how-to h2 { text-align: center; margin-top: 0; }

.sts-instructions {
  line-height: 1.9;
  padding-left: 22px;
  color: var(--text-secondary, #ccc);
}

.sts-instructions li { margin-bottom: 6px; }

/* ---- Selección de nivel ---- */
.sts-levels { width: 100%; max-width: 520px; text-align: center; }
.sts-levels h2 { margin-top: 0; }

.sts-levels__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.sts-level-card {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 18px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transition: background 0.2s, transform 0.15s, border-color 0.2s;
}

.sts-level-card:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--gold, #f0c040);
  transform: translateY(-3px);
}

.sts-level-card--locked {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.sts-level-card__num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--gold, #f0c040);
}

.sts-level-card__label {
  font-size: 0.85rem;
  color: var(--text-secondary, #aaa);
}

.sts-level-card__best {
  font-size: 0.8rem;
  color: var(--cyan, #00e5ff);
}

/* ---- Gameplay: canvas + overlay ---- */
.sts-canvas {
  display: block;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 16px;
  background: #000;
}

.sts-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px;
  pointer-events: none; /* Los hijos con botones sí reciben eventos */
}

/* HUD */
.sts-hud {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(6px);
  border-radius: 12px;
  padding: 8px 16px;
  pointer-events: none;
}

.sts-hud__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}

.sts-hud__item--center { flex: 1; }

.sts-hud__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.6);
}

.sts-hud__value {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.sts-hud__timer {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--gold, #f0c040);
  font-variant-numeric: tabular-nums;
}

.sts-hud__timer--warning {
  color: var(--coral, #ff6b6b);
  animation: timerBlink 0.6s step-end infinite;
}

@keyframes timerBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

/* Barra de progreso */
.sts-progress {
  height: 5px;
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
  overflow: hidden;
  margin: 4px 0;
}

.sts-progress__fill {
  height: 100%;
  background: var(--cyan, #00e5ff);
  transition: width 0.4s ease;
  border-radius: 3px;
}

/* Tarjeta de desafío */
.sts-challenge {
  display: flex;
  justify-content: center;
  pointer-events: none;
}

.sts-challenge__card {
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 14px;
  padding: 12px 20px;
  text-align: center;
  max-width: 340px;
}

.sts-challenge__badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold, #f0c040);
  background: rgba(240,192,64,0.12);
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 6px;
}

.sts-challenge__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin: 4px 0;
}

.sts-challenge__hint {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  margin: 0;
}

/* Acciones */
.sts-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  pointer-events: all;
  padding-bottom: 6px;
}

/* Anillo de detección */
.sts-detection-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 160px;
  height: 160px;
  border: 4px solid var(--cyan, #00e5ff);
  border-radius: 50%;
  box-shadow: 0 0 32px rgba(0,229,255,0.7), inset 0 0 32px rgba(0,229,255,0.2);
  animation: ringPulse 0.8s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ringPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1);   opacity: 1; }
  50%       { transform: translate(-50%, -50%) scale(1.12); opacity: 0.7; }
}

/* ---- Confirmación ---- */
.sts-confirm {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  padding: 20px;
}

.sts-confirm__icon {
  font-size: 5rem;
  line-height: 1;
  animation: confirmPop 0.4s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes confirmPop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.sts-confirm__icon--ok   { color: var(--cyan, #00e5ff); }
.sts-confirm__icon--fail { color: var(--coral, #ff6b6b); }

.sts-confirm__msg    { font-size: 1.3rem; font-weight: 600; color: #fff; margin: 0; }
.sts-confirm__points { font-size: 1rem; color: var(--gold, #f0c040); margin: 0; font-weight: 700; }

/* ---- Modal de pausa ---- */
.sts-modal {
  background: rgba(20,20,35,0.92);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 32px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 240px;
}

.sts-modal h2 { margin: 0 0 8px; font-size: 1.5rem; }

/* ---- Resultado (win / lose) ---- */
.sts-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  padding: 16px;
  max-width: 440px;
  width: 100%;
}

.sts-result h2 { margin: 0; font-size: 2rem; }
.sts-result--win  h2 { color: var(--gold, #f0c040); }
.sts-result--lose h2 { color: var(--coral, #ff6b6b); }

.sts-result__stats {
  display: flex;
  gap: 32px;
  justify-content: center;
}

.sts-result__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.sts-result__label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-secondary, #aaa); }
.sts-result__value { font-size: 1.8rem; font-weight: 700; color: #fff; }

/* ---- Util ---- */
.sts-hidden { display: none !important; }

/* ---- Responsive móvil ---- */
@media (max-width: 480px) {
  .sts-canvas { max-height: 320px; }
  .sts-btn--capture { font-size: 1rem; padding: 14px 24px; }
  .sts-hud__timer { font-size: 1.2rem; }
  .sts-challenge__title { font-size: 1rem; }
  .sts-result h2 { font-size: 1.5rem; }
  .sts-levels__grid { grid-template-columns: repeat(2, 1fr); }
}