/* ── Dashboard del profesor ──────────────────────────────── */

#dashboard h2 {
  margin-bottom: 1.5rem;
  color: #1a2e4a;
}

/* ── Stats rápidas ───────────────────────────────────────── */
.dash-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.dash-stat-card {
  background: #fff;
  border-radius: 14px;
  padding: 1.25rem;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  border: 1px solid #e8e8e8;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  transition: transform 0.15s;
}

.dash-stat-card:hover {
  transform: translateY(-3px);
}

.dash-stat-icono {
  font-size: 2rem;
}

.dash-stat-valor {
  font-size: 2rem;
  font-weight: 800;
  color: #4361ee;
  line-height: 1;
}

.dash-stat-label {
  font-size: 0.85rem;
  color: #666;
  font-weight: 500;
}

/* ── Grid de paneles ─────────────────────────────────────── */
.dash-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.dash-panel {
  background: #fff;
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
  border: 1px solid #e8e8e8;
}

.dash-panel h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: #1a2e4a;
}

.dash-panel-full {
  grid-column: 1 / -1;
}

/* ── Ranking ─────────────────────────────────────────────── */
.dash-ranking {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.dash-ranking-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dash-ranking-pos {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.pos-oro    { background: #ffd700; color: #5c3d00; }
.pos-plata  { background: #c0c0c0; color: #2d2d2d; }
.pos-bronce { background: #cd7f32; color: #fff; }
.pos-normal { background: #f0f0f0; color: #555; }

.dash-ranking-nombre {
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 120px;
  color: #2d2d2d;
}

.dash-barra-wrap {
  flex: 1;
  height: 10px;
  background: #f0f0f0;
  border-radius: 999px;
  overflow: hidden;
}

.dash-barra {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease;
  min-width: 4px;
}

.dash-ranking-pct {
  font-size: 0.85rem;
  font-weight: 700;
  color: #555;
  min-width: 36px;
  text-align: right;
}

/* ── Actividad reciente ───────────────────────────────────── */
.dash-actividad {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 340px;
  overflow-y: auto;
}

.dash-actividad-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.75rem;
  background: #f8f9ff;
  border-radius: 8px;
  gap: 1rem;
}

.dash-actividad-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.dash-actividad-alumno {
  font-weight: 600;
  font-size: 0.9rem;
  color: #1a2e4a;
}

.dash-actividad-juego {
  font-size: 0.8rem;
  color: #666;
}

.dash-actividad-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
}

.dash-actividad-fecha {
  font-size: 0.75rem;
  color: #999;
}

/* ── Alumnos que necesitan atención ──────────────────────── */
.dash-atencion {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.dash-atencion-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #fff8f0;
  border: 1px solid #f4a261;
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
}

.dash-atencion-nombre {
  font-weight: 600;
  font-size: 0.9rem;
  color: #1a2e4a;
}

.dash-atencion-curso {
  font-size: 0.8rem;
  color: #666;
}

/* ── Vacío ────────────────────────────────────────────────── */
.dash-vacio {
  color: #999;
  font-style: italic;
  font-size: 0.9rem;
  padding: 0.5rem 0;
}

/* ── Dashboard — tendencias globales ─────────────────────── */
.dash-tendencias {
  display: flex;
  gap: 1rem;
  justify-content: space-around;
  padding: 0.5rem 0;
}

.dash-tendencia-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  flex: 1;
  text-align: center;
}

.dash-tendencia-icono { font-size: 1.75rem; }
.dash-tendencia-num   { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.dash-tendencia-label { font-size: 0.78rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }

.tendencia-mejorando { background: #dcfce7; }
.tendencia-mejorando .dash-tendencia-num { color: #166534; }
.tendencia-mejorando .dash-tendencia-label { color: #166534; }

.tendencia-estable { background: #f1f5f9; }
.tendencia-estable .dash-tendencia-num { color: #475569; }
.tendencia-estable .dash-tendencia-label { color: #475569; }

.tendencia-atencion { background: #fee2e2; }
.tendencia-atencion .dash-tendencia-num { color: #991b1b; }
.tendencia-atencion .dash-tendencia-label { color: #991b1b; }

/* Alto contraste */
body.alto-contraste .dash-tendencia-item { background: #111 !important; border: 1px solid #555 !important; }
body.alto-contraste .dash-tendencia-num,
body.alto-contraste .dash-tendencia-label { color: #fff !important; -webkit-text-fill-color: #fff !important; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .dash-grid {
    grid-template-columns: 1fr;
  }

  .dash-panel-full {
    grid-column: 1;
  }

  .dash-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}