/* --- Globales y Reseteo --- */
:root {
    --primary-color: #005c97;
    --secondary-color: #363795;
    --accent-color: #00b4d8;
    
    --primary-hover: #00426a;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --info-color: #17a2b8;
    
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --border-color: #dee2e6;
    --dark-gray: #2c3e50;
    --text-color: #34495e;
    --text-muted: #7f8c8d;
    
    --font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 10px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
    
    --transition-base: all 0.3s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 16px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    text-decoration: none;
    color: var(--primary-hover);
}

/* --- Pre-cargador --- */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #fff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--medium-gray);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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


/* --- Contenedor de Login --- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    overflow: hidden;
}

.login-box {
    background: #fff;
    padding: 2.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
    width: 100%;
    max-width: 420px;
    border-top: 5px solid var(--accent-color);
    animation: fadeIn 0.5s ease-out forwards;
}

.login-logo {
    max-width: 120px;
    margin-bottom: 1.5rem;
    border-radius: 50%;
    padding: 10px;
    background: var(--light-gray);
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease;
}

.login-logo:hover {
    transform: scale(1.1);
}

.login-box h2 {
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.login-box p {
    margin-bottom: 2rem;
    color: var(--text-muted);
}


/* --- Layout Principal (Header, Main) --- */
.main-header {
    background-color: #fff;
    color: var(--dark-gray);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1020;
    border-bottom: 1px solid var(--border-color);
}

.main-header h1 {
    font-size: 1.75rem;
    color: var(--primary-color);
    font-weight: 700;
}

.main-header nav a {
    color: var(--dark-gray);
    margin-left: 1rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-base);
    font-weight: 500;
    position: relative;
}

.main-header nav a:hover, .nav-dropdown-toggle:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
    text-decoration: none;
}

.main-header nav a.active {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* Menú hamburguesa (inicialmente oculto en escritorio) */
.nav-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--dark-gray);
}

main.container {
    padding: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    animation: fadeIn 0.5s ease-out forwards;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

.page-header h2 {
    font-weight: 600;
}

.content-section {
    margin-bottom: 2rem;
    background-color: #fff;
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition-base);
}

.content-section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* --- Dashboard Cards --- */
.dashboard-actions {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.dashboard-actions li a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    color: var(--text-color);
    background-color: #fff;
}

.dashboard-actions li a:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
    color: var(--primary-color);
}

/* --- Formularios Estilizados --- */
.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #495057;
}

.input-group input[type="text"],
.input-group input[type="password"],
.input-group input[type="datetime-local"],
.input-group input[type="number"],
.input-group input[type="file"],
.input-group input[type="email"],
.input-group input[type="search"],
.input-group input[type="date"],
.input-group input[type="month"],
.input-group select,
.input-group textarea,
.input-group input[list] {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    background-color: #fff;
    transition: var(--transition-base);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 92, 151, 0.25);
    background-color: #fff;
}

.styled-form .form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.styled-form .form-actions {
    margin-top: 2rem;
    text-align: right;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* --- Botones --- */
.btn, button {
    display: inline-block;
    padding: 0.85rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: var(--shadow-sm);
    color: #fff;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
}

.btn:hover, button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary { background: linear-gradient(45deg, #6c757d, #343a40); }
.btn-info { background: linear-gradient(45deg, #17a2b8, #106c7a); }
.btn-danger { background: linear-gradient(45deg, #dc3545, #a71d2a); }

button:disabled { 
    background: #ccc;
    cursor: not-allowed; 
    transform: none; 
    box-shadow: none; 
}


/* --- Tablas --- */
.table-container {
    overflow-x: auto;
    background-color: #fff;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th, table td {
    padding: 1.25rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

table th {
    background-color: var(--light-gray);
    font-weight: 600;
    white-space: nowrap;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--accent-color);
}

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

table tbody tr:hover {
    background-color: #f1f8ff; /* Light blue hover */
}

/* --- Componentes Específicos (Badges de Estado) --- */
[class^="status-"] {
    display: inline-block;
    padding: 0.35em 0.75em;
    font-size: 0.85em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 50px;
}
.status-activo, .status-aprobado, .status-completada { background-color: var(--success-color); }
.status-en-validacion, .status-en-progreso { background-color: var(--warning-color); color: var(--dark-gray); }
/* SOLUCIÓN: Se elimina el background-color para que el texto sea visible */
.status-rechazado, .status-vencido, .status-retrasada { background-color: transparent; color: var(--danger-color); }
.status-pendiente, .status-archivado, .status-cancelado { background-color: #7f8c8d; }


/* --- Motor de Trazabilidad --- */
.traceability-flow {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 1.5rem 1rem;
    gap: 1.5rem;
    border-radius: var(--border-radius-md);
    background-color: var(--light-gray);
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-color);
}
.stage {
    flex: 0 0 280px;
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    background-color: #fff;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
    border-top: 5px solid;
}
.stage:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.stage-name { font-weight: 600; font-size: 1.1em; margin-bottom: 10px; color: var(--dark-gray); }
.stage-status { font-style: normal; margin-bottom: 15px; padding: 5px; text-align: center; border-radius: 50px; color: #fff; text-transform: uppercase; font-size: 0.8em; font-weight: 700;}
.stage-meta { font-size: 0.85em; color: var(--text-muted); flex-grow: 1; }
.meta-item { display: block; margin-top: 5px; }
.meta-item.delay { color: var(--danger-color); font-weight: bold; }

/* Colores de Estado de Etapa */
.status-pendiente { border-top-color: #7f8c8d; }
.status-en-progreso { border-top-color: var(--warning-color); }
.status-completada { border-top-color: var(--success-color); }
.status-retrasada { border-top-color: var(--danger-color); }

.status-pendiente .stage-status { background-color: #7f8c8d; }
.status-en-progreso .stage-status { background-color: var(--warning-color); color: var(--dark-gray); }
.status-completada .stage-status { background-color: var(--success-color); color: var(--dark-gray); } /* CORRECCIÓN DE CONTRASTE */
.status-retrasada .stage-status { background-color: var(--danger-color); }


/* --- Mensajes de Feedback --- */
.feedback-message, .error-message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    font-weight: 500;
    animation: fadeIn 0.3s ease-out;
}
.error-message, .feedback-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border-color: #f5c6cb;
}
.feedback-message.success {
    background-color: #d4edda;
    color: #155724;
    border-color: #c3e6cb;
}


/* ==========================================================================
   DISEÑO RESPONSIVO MÓVIL
   ========================================================================== */
@media (max-width: 992px) {
    /* --- Layout para Tablets --- */
    .main-header {
        padding: 1rem;
    }
    main.container {
        padding: 1rem;
    }
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    /* --- Navegación Móvil --- */
    .nav-toggle {
        display: block; /* Mostrar botón hamburguesa */
    }
    .main-header nav {
        display: none; /* Ocultar menú por defecto */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--border-color);
    }
    .main-header nav.active {
        display: flex; /* Mostrar menú al hacer clic */
    }
    .main-header nav a, .nav-dropdown {
        margin: 0.5rem 0;
        width: 100%;
        text-align: center;
    }
    .nav-dropdown-menu {
        position: static;
        display: block;
        box-shadow: none;
        border: none;
    }
}

@media (max-width: 768px) {
    /* --- Layout para Móviles Pequeños --- */
    body {
        font-size: 15px;
    }
    .content-section {
        padding: 1.5rem;
    }
    
    /* --- Formularios a una columna --- */
    .styled-form .form-row {
        grid-template-columns: 1fr; /* Forzar una sola columna */
    }
    
    /* --- Tabla Responsiva (Patrón de Tarjetas) --- */
    .table-container thead {
        border: none;
        clip: rect(0 0 0 0);
        height: 1px;
        margin: -1px;
        overflow: hidden;
        padding: 0;
        position: absolute;
        width: 1px;
    }
    .table-container tr {
        display: block;
        margin-bottom: 1.5rem;
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-md);
        box-shadow: var(--shadow-sm);
        padding: 1rem;
    }
    .table-container td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--medium-gray);
    }
     .table-container td:last-child {
        border-bottom: none;
    }
    .table-container td::before {
        content: attr(data-label);
        text-align: left;
        font-weight: bold;
        color: var(--text-color);
        margin-right: 1rem;
        text-transform: uppercase;
    }
}

/* --- ESTILOS PARA FILTROS DESPLEGABLES --- */
.collapsible-filters {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: 2rem;
    background-color: #fff;
    overflow: hidden;
}
.collapsible-filters summary {
    font-weight: 600;
    padding: 1rem 1.5rem;
    cursor: pointer;
    outline: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--light-gray);
}
.collapsible-filters[open] summary {
    border-bottom: 1px solid var(--border-color);
}
.collapsible-filters summary::-webkit-details-marker {
    display: none;
}
.collapsible-filters summary::after {
    content: '▼';
    font-size: 0.8em;
    transition: transform 0.2s ease-in-out;
}
.collapsible-filters[open] summary::after {
    transform: rotate(180deg);
}
.collapsible-filters .filters-container {
    margin-bottom: 0;
    box-shadow: none;
    border: none;
}

/* --- ESTILOS PARA SECCIONES COLAPSABLES --- */
.collapsible-section {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}
.collapsible-section[open] {
    box-shadow: var(--shadow-lg);
}
.collapsible-section summary {
    padding: 1rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none; /* Ocultar marcador por defecto */
}
.collapsible-section summary::-webkit-details-marker { display: none; }
.collapsible-section summary .toggle-icon {
    font-size: 1em;
    transition: transform 0.3s ease;
    transform-origin: center;
}
.collapsible-section[open] > summary .toggle-icon {
    transform: rotate(90deg);
}

.collapsible-section .content-section, .collapsible-section .table-container {
    border-top: 1px solid var(--border-color);
}
.collapsible-section.provider-group {
    margin-left: 1rem;
    margin-bottom: 1rem;
}

/* --- NUEVOS ESTILOS PARA cases.php --- */
.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    align-items: end;
}
.filters-grid .input-group {
    margin-bottom: 0;
}
.filters-grid .form-actions {
    grid-column: 1 / -1; /* Ocupa todo el ancho en la última fila */
    justify-content: flex-start;
    margin-top: 1rem;
}
.table-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.5rem;
}
.modal {
    display: none; 
    position: fixed; 
    z-index: 1050; 
    left: 0; 
    top: 0; 
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.5);
}
.modal-content {
    background-color: #fefefe;
    margin: 15vh auto;
    padding: 2rem;
    border: 1px solid #888;
    width: 90%;
    max-width: 600px;
    border-radius: var(--border-radius-md);
    animation: fadeIn 0.3s;
}
.modal-checklist {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}
.modal-checklist label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.modal-actions {
    margin-top: 2rem;
    justify-content: flex-end;
}

/* --- ESTILOS PARA MENÚ DE CONFIGURACIÓN --- */
.nav-dropdown {
    position: relative;
    display: inline-block;
}
.nav-dropdown-toggle { cursor: pointer; }
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background-color: #fff;
    min-width: 200px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    z-index: 1030;
    padding: 1rem;
}
.nav-dropdown-menu a, .nav-dropdown-menu label {
    display: block;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    color: var(--dark-gray);
    text-decoration: none;
    white-space: nowrap;
}
.nav-dropdown-menu a:hover, .nav-dropdown-menu label:hover {
    background-color: var(--light-gray);
    color: var(--primary-color);
}
.nav-dropdown:hover .nav-dropdown-menu {
    display: block;
}

/* --- ESTILOS PARA MEJORA VISUAL DE GRUPOS DE MESES --- */
.month-group-wrapper {
    margin-bottom: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-base);
}
.month-group-wrapper:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}
.month-group-wrapper .month-group-header {
    margin-top: 0;
    border-radius: 0;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: #fff; /* Asegura que el texto sea blanco */
}
.month-group-wrapper .table-container {
    border-radius: 0;
    border: none;
    box-shadow: none;
}
/* --- ESTILOS PARA ALERTAS EN LA VISTA DE CASOS --- */
.provider-group summary h4 {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.alert-indicator-container {
    position: relative;
    display: inline-block;
}

.alert-icon {
    font-size: 1.2rem;
    cursor: pointer;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.alert-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    width: 350px;
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--text-color);
}

.alert-indicator-container:hover .alert-dropdown {
    display: block;
}

.alert-group {
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: var(--border-radius-sm);
    border-left-width: 5px;
    border-left-style: solid;
}
.alert-group:last-child {
    margin-bottom: 0;
}
.alert-group strong {
    display: block;
    margin-bottom: 0.5rem;
}
.alert-group ul {
    list-style-position: inside;
    padding-left: 5px;
}
.alert-group li {
    margin-bottom: 0.25rem;
}

.alert-danger {
    border-left-color: var(--danger-color);
    background-color: #f8d7da;
}
.alert-warning {
    border-left-color: var(--warning-color);
    background-color: #fff3cd;
}
.alert-info {
    border-left-color: var(--info-color);
    background-color: #d1ecf1;
}
/* --- ESTILOS PARA ALERTAS GLOBALES EN DASHBOARD Y REPORTES --- */
.dashboard-alert-link {
    display: block;
    padding: 1rem;
    margin: 1rem 0;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: var(--border-radius-md);
    text-align: center;
    font-weight: bold;
    text-decoration: none;
    transition: var(--transition-base);
}
.dashboard-alert-link:hover {
    background-color: #f1c5c9;
}

.alert-report-section {
    border-left-width: 5px;
    border-left-style: solid;
    margin-bottom: 2rem;
}
.alert-report-section.alert-danger {
    border-left-color: var(--danger-color);
}
.alert-report-section.alert-warning {
    border-left-color: var(--warning-color);
}
.alert-report-section.alert-info {
    border-left-color: var(--info-color);
}
/* ... estilos existentes ... */
/* --- ESTILOS PARA ALERTAS EN LA VISTA DE CASOS --- */
.case-details-header {
    margin-bottom: 2rem;
}
.case-alerts-summary {
    margin: 1rem 0;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: #fff;
}
.alert-summary-item {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius-sm);
}
.alert-summary-item:last-child {
    margin-bottom: 0;
}
.alert-summary-item.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
}
.alert-summary-item.alert-warning {
    background-color: #fff3cd;
    color: #856404;
}
.alert-summary-item.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
}
.alert-summary-item a {
    font-weight: bold;
    text-decoration: underline;
    color: inherit;
}
/* ... estilos existentes ... */
.dashboard-alert-link.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border-color: #bee5eb;
}
.dashboard-alert-link.info:hover {
    background-color: #bce8f1;
}