/**
 * Estilos específicos para la página de Pacientes
 * Sistema Médico - Pacientes.html
 */

/* ==================== LAYOUT PRINCIPAL ==================== */
.patients-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* ==================== HEADER DE PACIENTES ==================== */
.patients-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.patients-title-section {
    flex: 1;
    min-width: 250px;
}

.patients-title {
    color: var(--primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.patients-subtitle {
    color: var(--text-light);
    margin: 0.5rem 0 0 0;
    font-size: 1.1rem;
    line-height: 1.5;
}

.patients-actions {
    flex-shrink: 0;
}

/* ==================== BOTÓN NUEVO PACIENTE ==================== */
.add-patient-btn {
    background: var(--secondary);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-md);
}

.add-patient-btn:hover {
    background: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.add-patient-btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
    background: var(--secondary-active);
}

.add-patient-btn i {
    font-size: 1.1rem;
}

/* ==================== BARRA DE BÚSQUEDA ==================== */
.search-container {
    position: relative;
    max-width: 500px;
    width: 100%;
    margin-bottom: 2rem;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: var(--transition-normal);
    background-color: white;
    box-shadow: var(--shadow-sm);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(53, 47, 89, 0.1);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-light);
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
    font-size: 1.1rem;
    pointer-events: none;
}

/* ==================== CONTENEDOR DE TABLA ==================== */
.patients-table-container {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    position: relative; /* permite overlay centrado */
}

/* Scroll horizontal para móviles */
.table-scroll-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ==================== TABLA DE PACIENTES ==================== */
.patients-table {
    width: 100%;
    min-width: 700px; /* Reducido de 800px */
    border-collapse: collapse;
    background-color: white;
    margin-top: 0; /* Eliminar espacio superior heredado */
}

/* HEADERS DE LA TABLA */
.patients-table thead {
    background-color: var(--neutral-light);
}

.patients-table th {
    background-color: var(--neutral-light);
    color: var(--text-color);
    font-weight: 600;
    text-align: left;
    padding: 1rem 0.75rem;
    border-bottom: 2px solid var(--border-color);
    font-size: 0.95rem;
    white-space: nowrap;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Anchos específicos para cada columna (sin Estado) - Más compactos */
.patients-table th:nth-child(1) { width: 30%; min-width: 200px; } /* Nombre */
.patients-table th:nth-child(2) { width: 12%; min-width: 80px; }  /* Edad */
.patients-table th:nth-child(3) { width: 18%; min-width: 100px; } /* RUN */
.patients-table th:nth-child(4) { width: 22%; min-width: 130px; } /* Última Visita */
.patients-table th:nth-child(5) { width: 18%; min-width: 110px; } /* Acciones */

/* FILAS DE LA TABLA */
.patients-table td {
    padding: 1rem 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    vertical-align: middle;
    font-size: 0.95rem;
}

.patients-table tbody tr {
    transition: var(--transition-fast);
}

.patients-table tbody tr:hover {
    background-color: var(--primary-10);
}

.patients-table tbody tr:last-child td {
    border-bottom: none;
}

/* ==================== CONTENIDO DE CELDAS ==================== */
.patient-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 1rem;
}

.patient-info {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* ==================== BOTONES DE ACCIÓN ==================== */
.action-btn {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-normal);
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.action-btn:hover {
    color: var(--primary-hover);
    background-color: var(--primary-10);
    text-decoration: none;
}

.action-btn:active {
    transform: scale(0.98);
}

/* ==================== ESTADO VACÍO ==================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
    background-color: white;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--border-color);
    opacity: 0.7;
}

.empty-state h3 {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.5rem;
}

.empty-state p {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 400px;
    margin: 0 auto;
}

/* ==================== RESPONSIVE DESIGN ==================== */

/* Tablets */
@media (max-width: 1024px) {
    .patients-container {
        padding: 0 1rem;
    }
    
    .patients-title {
        font-size: 2.2rem;
    }
    
    .patients-table {
        min-width: 700px;
    }
}

/* Móviles grandes */
@media (max-width: 768px) {
    .patients-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .patients-title {
        font-size: 2rem;
    }
    
    .patients-subtitle {
        font-size: 1rem;
    }
    
    .add-patient-btn {
        width: 100%;
        justify-content: center;
        padding: 1.25rem 2rem;
    }
    
    .search-container {
        max-width: 100%;
    }
    
    .patients-table-container {
        border-radius: var(--radius-md);
        margin: 0 -0.5rem 2rem -0.5rem;
    }
    
    .patients-table {
        min-width: 600px;
    }
    
    .patients-table th,
    .patients-table td {
        padding: 1rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .patients-table th:nth-child(1) { min-width: 180px; }
    .patients-table th:nth-child(2) { min-width: 80px; }
    .patients-table th:nth-child(3) { min-width: 100px; }
    .patients-table th:nth-child(4) { min-width: 120px; }
    .patients-table th:nth-child(5) { min-width: 100px; }
    
    .empty-state {
        padding: 3rem 1rem;
    }
    
    .empty-state i {
        font-size: 3rem;
    }
    
    .empty-state h3 {
        font-size: 1.3rem;
    }
    
    .empty-state p {
        font-size: 1rem;
    }
}

/* Móviles pequeños */
@media (max-width: 480px) {
    .patients-container {
        padding: 0 0.5rem;
    }
    
    .patients-title {
        font-size: 1.8rem;
    }
    
    .search-input {
        padding: 1rem 1rem 1rem 3rem;
    }
    
    .search-icon {
        left: 1rem;
    }
    
    .patients-table {
        min-width: 500px;
    }
    
    .patients-table th,
    .patients-table td {
        padding: 0.75rem 0.5rem;
        font-size: 0.85rem;
    }
    
    .add-patient-btn {
        padding: 1rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* ==================== ANIMACIONES ==================== */
@keyframes tableLoad {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.patients-table tbody tr {
    animation: tableLoad 0.3s ease forwards;
}

.patients-table tbody tr:nth-child(odd) {
    animation-delay: 0.05s;
}

.patients-table tbody tr:nth-child(even) {
    animation-delay: 0.1s;
}

/* ==================== SCROLLBAR PERSONALIZADA ==================== */
.table-scroll-wrapper::-webkit-scrollbar {
    height: 8px;
}

.table-scroll-wrapper::-webkit-scrollbar-track {
    background: var(--neutral-light);
    border-radius: var(--radius-sm);
}

.table-scroll-wrapper::-webkit-scrollbar-thumb {
    background: var(--primary-20);
    border-radius: var(--radius-sm);
}

.table-scroll-wrapper::-webkit-scrollbar-thumb:hover {
    background: var(--primary-50);
}

/* ==================== EFECTOS HOVER MEJORADOS ==================== */
.patients-table tbody tr:hover .action-btn {
    color: var(--primary-hover);
}

.patients-table tbody tr:hover .patient-name {
    color: var(--primary);
}

/* ==================== FOCUS Y ACCESIBILIDAD ==================== */
.action-btn:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.add-patient-btn:focus {
    outline: 2px solid var(--secondary-hover);
    outline-offset: 3px;
}

.search-input:focus {
    outline: none;
}

/* ==================== ESTADOS DE CARGA ==================== */
.loading-state {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--text-light);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 1rem;
}

/* Overlay de carga para la tabla */
.table-loading-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.8);
    z-index: 5;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}