/* ====== CONTENEDOR GENERAL ====== */
.malla-curricular {
  background: transparent;
}

/* Card contenedor principal */
.malla-shell {
  background: #ffffff;
  border: 1px solid #eaeaea;
  border-radius: 14px;
  padding: 14px 14px 10px 14px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}

/* ====== HEADER ====== */
.malla-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.malla-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.malla-hint {
  font-size: 11.5px;
  opacity: 0.65;
}

/* ====== BARRA DE SEMESTRES (PÍLDORAS NEGRAS) ====== */
.malla-semester-bar {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(140px, 1fr);
  gap: 10px;
  margin-bottom: 14px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.malla-sem-pill {
  border: 0;
  background: #232527;
  color: #fff;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1px;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04);
  transition: transform 0.08s ease, background 0.12s ease, opacity 0.12s ease;
}

.malla-sem-pill:hover {
  transform: translateY(-1px);
  background: #111;
}

/* ====== BOARD ====== */
.malla-board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(160px, 1fr);
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
}

/* Columna (semestre) */
.malla-col {
  background: #f5f5f5;
  border: 1px solid #ececec;
  border-radius: 10px;
  padding: 8px;
  min-height: 200px;
}

/* Cuerpo interno de cards */
.malla-col-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ====== CARD DE CURSO ====== */
.malla-course-card {
  background: #ffffff;
  border: 1px solid #e6e6e6;
  border-radius: 6px;
  padding: 12px 10px;
  cursor: default;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  transition: transform 0.08s ease, border-color 0.12s ease, background 0.12s ease, box-shadow 0.12s ease;
}

.malla-course-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.10);
}

/* Nombre */
.malla-course-name {
  font-size: 12.5px;
  font-weight: 700;
  color: #111;
  line-height: 1.2;
  text-align: center;
}

/* Si luego quieres código chico abajo */
.malla-course-code {
  font-size: 10px;
  opacity: 0.55;
  margin-top: 4px;
  text-align: center;
}

/* ====== ESTADOS DE HOVER (RELACIONES) ====== */

/* Curso foco */
.malla-course-card.is-hover {
  border-color: #111;
  background: #f2f2f2;
}

/* Prerequisitos hacia atrás */
.malla-course-card.is-prereq-back {
  border-color: #16a34a;
  background: #ecfdf3;
}

/* Dependientes hacia adelante */
.malla-course-card.is-dependent-forward {
  border-color: #2563eb;
  background: #eff6ff;
}

/* Intersección rara */
.malla-course-card.is-prereq-back.is-dependent-forward {
  border-color: #7c3aed;
  background: #f5f3ff;
}

/* ====== ERROR ====== */
.malla-error {
  padding: 10px;
  border: 1px solid #f3b3b3;
  background: #fff5f5;
  border-radius: 8px;
  color: #7a1f1f;
  font-size: 12px;
}