/* ============================================================
   Este archivo es solo de referencia — el estilo base que copié
   dentro de cada carpeta de escena (universidad, hogar, taller).
   Está aquí para que lo edites en un solo lugar y luego repliques
   los cambios, ya que Neocities no comparte archivos entre carpetas.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Exo+2:wght@400;500&display=swap');

:root {
  --bg-void: #0a0e17;
  --cyan: #4fd8ff;
  --cyan-dim: rgba(79, 216, 255, 0.35);
  --text-cold: #e8f4fb;
  --panel-glass: rgba(28, 42, 61, 0.55);
}

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

body {
  min-height: 100vh;
  background: var(--bg-void);
  font-family: 'Exo 2', sans-serif;
  color: var(--text-cold);
}

#back-link {
  position: fixed;
  top: 20px;
  left: 24px;
  z-index: 10;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--cyan);
  text-decoration: none;
  background: var(--panel-glass);
  backdrop-filter: blur(6px);
  border: 1px solid var(--cyan-dim);
  padding: 8px 16px;
  transition: background 0.2s ease;
}
#back-link:hover { background: rgba(79, 216, 255, 0.15); }

#scene-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 100px 24px 40px;
}

.scene-title {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  text-shadow: 0 0 16px var(--cyan-dim);
  margin-bottom: 12px;
}

.scene-placeholder-note {
  font-family: 'Exo 2', sans-serif;
  font-style: italic;
  opacity: 0.55;
  max-width: 480px;
  text-align: center;
  line-height: 1.6;
}

/* ---------- contador de semillas ---------- */
.seed-counter {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 10;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  background: var(--panel-glass);
  backdrop-filter: blur(6px);
  border: 1px solid var(--cyan-dim);
  padding: 8px 16px;
  color: var(--text-cold);
}

/* ---------- tabs ---------- */
.tab-nav {
  display: flex;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
  justify-content: center;
}
.tab-btn {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--text-cold);
  background: transparent;
  border: 1px solid var(--cyan-dim);
  padding: 9px 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.65;
}
.tab-btn:hover { opacity: 1; background: rgba(79, 216, 255, 0.08); }
.tab-btn.active {
  opacity: 1;
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: 0 0 14px rgba(79, 216, 255, 0.25);
}

.panel { width: 100%; max-width: 900px; }
.panel.hidden { display: none; }

/* ---------- accesos rápidos ---------- */
.access-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}
.access-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 22px 14px;
  background: var(--panel-glass);
  backdrop-filter: blur(6px);
  border: 1px solid var(--cyan-dim);
  text-decoration: none;
  color: var(--text-cold);
  transition: all 0.2s ease;
}
.access-card:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 16px rgba(79, 216, 255, 0.2);
  transform: translateY(-2px);
}
.access-card .icon { font-size: 1.8rem; }
.access-card .label {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-align: center;
}
.access-card .pending {
  font-size: 0.7rem;
  opacity: 0.5;
  font-style: italic;
}

/* ---------- notas por ramo ---------- */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.note-block {
  background: var(--panel-glass);
  backdrop-filter: blur(6px);
  border: 1px solid var(--cyan-dim);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.note-block .subject {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cyan);
  font-size: 0.95rem;
}
.note-block textarea {
  background: rgba(5, 8, 13, 0.5);
  border: 1px solid rgba(79, 216, 255, 0.15);
  color: var(--text-cold);
  font-family: 'Exo 2', sans-serif;
  font-size: 0.9rem;
  padding: 10px;
  min-height: 110px;
  resize: vertical;
}
.note-block textarea:focus { outline: none; border-color: var(--cyan); }
.note-block .save-hint {
  font-size: 0.72rem;
  opacity: 0.4;
  text-align: right;
}

/* ---------- modo estudio ---------- */
.timer-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  background: var(--panel-glass);
  backdrop-filter: blur(6px);
  border: 1px solid var(--cyan-dim);
  padding: 48px 60px;
  margin: 0 auto;
}
.timer-mode {
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
  font-size: 0.9rem;
}
.timer-display {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  font-size: 4.5rem;
  color: var(--cyan);
  text-shadow: 0 0 20px var(--cyan-dim);
  letter-spacing: 0.05em;
}
.timer-controls { display: flex; gap: 12px; }
.timer-controls button {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--cyan-dim);
  color: var(--text-cold);
  padding: 10px 24px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.timer-controls button:hover { border-color: var(--cyan); color: var(--cyan); }

/* ---------- malla curricular ---------- */
.malla-note { margin-bottom: 24px; }
.malla-note code {
  color: var(--cyan);
  font-style: normal;
  background: rgba(79, 216, 255, 0.1);
  padding: 1px 6px;
}
.malla-grid {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 12px;
  width: 100%;
  max-width: 900px;
}
.malla-semestre {
  min-width: 150px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.malla-semestre .sem-label {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.78rem;
  opacity: 0.6;
  text-align: center;
  margin-bottom: 4px;
}
.ramo-card {
  font-family: 'Exo 2', sans-serif;
  font-size: 0.82rem;
  line-height: 1.3;
  padding: 12px 10px;
  border: 1px solid rgba(79, 216, 255, 0.15);
  background: rgba(10, 14, 23, 0.4);
  color: var(--text-cold);
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0.4;
  text-align: center;
}
.ramo-card.unlocked {
  opacity: 0.85;
  border-color: var(--cyan-dim);
}
.ramo-card.unlocked:hover {
  opacity: 1;
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(79, 216, 255, 0.2);
}
.ramo-card.completed {
  opacity: 1;
  background: rgba(79, 216, 255, 0.14);
  border-color: var(--cyan);
  color: var(--cyan);
  text-shadow: 0 0 8px var(--cyan-dim);
}
.ramo-card.locked { cursor: not-allowed; }

/* franja de color por categoría — mismo espíritu que tu malla original */
.ramo-card { border-left: 3px solid transparent; }
.ramo-card.cat-matematica { border-left-color: #4fd8ff; }
.ramo-card.cat-mecanica { border-left-color: #ffb26b; }
.ramo-card.cat-humanista { border-left-color: #b98fff; }
.ramo-card.cat-ingles { border-left-color: #8fdba0; }
.ramo-card.cat-general { border-left-color: #7a8390; }