/* ── Modal de perfil de alumno ───────────────────────────── */

.perfil-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
}

.perfil-panel {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: perfil-entrada 0.3s ease;
}

@keyframes perfil-entrada {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Cabecera del perfil ──────────────────────────────────── */
.perfil-header {
  background: linear-gradient(135deg, #4361ee, #3a0ca3);
  color: #fff;
  padding: 1.5rem 2rem;
  border-radius: 16px 16px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.perfil-header-info h2 {
  margin: 0 0 0.25rem;
  font-size: 1.4rem;
}

.perfil-header-info p {
  margin: 0;
  opacity: 0.85;
  font-size: 0.95rem;
}

.perfil-cerrar {
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  font-size: 1.4rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background 0.2s;
}

.perfil-cerrar:hover {
  background: rgba(255,255,255,0.35);
}

/* ── Stats rápidas ───────────────────────────────────────── */
.perfil-stats {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: #f8f9ff;
  border-bottom: 1px solid #e9ecef;
  flex-wrap: wrap;
}

.perfil-stat {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 0.75rem;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.perfil-stat-valor {
  font-size: 1.6rem;
  font-weight: 700;
  color: #4361ee;
  display: block;
}

.perfil-stat-label {
  font-size: 0.78rem;
  color: #666;
  margin-top: 0.2rem;
}

/* ── Gráfico de barras ───────────────────────────────────── */
.perfil-grafico {
  padding: 1.25rem 2rem;
  border-bottom: 1px solid #e9ecef;
}

.perfil-grafico h3 {
  font-size: 1rem;
  margin: 0 0 1rem;
  color: #333;
}

.grafico-barras {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 80px;
}

.barra-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  height: 100%;
  justify-content: flex-end;
}

.barra {
  width: 100%;
  min-height: 4px;
  border-radius: 4px 4px 0 0;
  background: #4361ee;
  transition: height 0.5s ease;
  position: relative;
}

.barra:hover::after {
  content: attr(data-pct) '%';
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  background: #333;
  color: #fff;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

.barra-fecha {
  font-size: 0.6rem;
  color: #999;
  margin-top: 4px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ── Tabla de sesiones ───────────────────────────────────── */
.perfil-sesiones {
  padding: 1.25rem 2rem 2rem;
}

.perfil-sesiones h3 {
  font-size: 1rem;
  margin: 0 0 1rem;
  color: #333;
}

.perfil-tabla {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.perfil-tabla th {
  background: #f1f3ff;
  color: #4361ee;
  font-weight: 600;
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 2px solid #dee2ff;
}

.perfil-tabla td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #f0f0f0;
  color: #444;
}

.perfil-tabla tr:last-child td {
  border-bottom: none;
}

.perfil-tabla tr:hover td {
  background: #f8f9ff;
}

.pct-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.pct-alto   { background: #d4edda; color: #155724; }
.pct-medio  { background: #fff3cd; color: #856404; }
.pct-bajo   { background: #f8d7da; color: #721c24; }

.perfil-vacio {
  text-align: center;
  color: #999;
  padding: 2rem;
  font-style: italic;
}

/* ── Métricas clínicas del perfil de alumno ──────────────── */

/* Stats en grid */
.perfil-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.perfil-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.25rem;
}

.perfil-stat-icono {
  font-size: 1.5rem;
  line-height: 1;
}

.perfil-stat-valor {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.perfil-stat-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Tendencia */
.perfil-tendencia {
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tendencia-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
}

.tendencia-mejorando  { background: #dcfce7; color: #166534; }
.tendencia-estable    { background: #f1f5f9; color: #475569; }
.tendencia-empeorando { background: #fee2e2; color: #991b1b; }

/* Última sesión */
.perfil-ultima {
  padding: 0.6rem 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.perfil-ultima strong {
  color: var(--text-primary);
}

/* Alto contraste */
body.alto-contraste .perfil-stat-valor    { color: #fff !important; -webkit-text-fill-color: #fff !important; }
body.alto-contraste .perfil-stat-label    { color: #ccc !important; -webkit-text-fill-color: #ccc !important; }
body.alto-contraste .tendencia-mejorando  { background: #004d00 !important; color: #0f0 !important; -webkit-text-fill-color: #0f0 !important; }
body.alto-contraste .tendencia-estable    { background: #333 !important;    color: #fff !important; -webkit-text-fill-color: #fff !important; }
body.alto-contraste .tendencia-empeorando { background: #4d0000 !important; color: #f00 !important; -webkit-text-fill-color: #f00 !important; }
body.alto-contraste .perfil-ultima        { color: #ccc !important; -webkit-text-fill-color: #ccc !important; border-color: #555 !important; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .perfil-header { padding: 1rem; }
  .perfil-stats  { padding: 1rem; }
  .perfil-sesiones, .perfil-grafico { padding: 1rem; }
  .perfil-stat-valor { font-size: 1.3rem; }
}