/**
 * Estilos Principales
 * Sistema de Gestión de Personal
 */

/* Variables CSS */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #e2e8f0;
    --gray-dark: #94a3b8;
    --white: #ffffff;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* Reset y Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
}

/* Contenedor Principal */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 1.5rem 0;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
}

header .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

header .user-name {
    font-weight: 500;
}

header .badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Navegación */
nav {
    background-color: var(--white);
    padding: 1rem 0;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--dark);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

nav a:hover,
nav a.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 0.75rem 1rem;
        border-radius: 0;
        border-bottom: 1px solid var(--gray);
    }

    header h1 {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    header .container {
        flex-direction: column;
        align-items: center;
    }

    header .user-info {
        margin-top: 1rem;
    }
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--white);
}

.btn-success:hover {
    background-color: #059669;
}

.btn-danger {
    background-color: var(--danger-color);
    color: var(--white);
}

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #475569;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Tarjetas */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 2px solid var(--gray);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-header h2 {
    font-size: 1.5rem;
    color: var(--dark);
}

.card-body {
    padding: 0;
}

/* Formularios */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group label.required::after {
    content: " *";
    color: var(--danger-color);
}

/* Submenús */
.has-submenu {
    position: relative;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    z-index: 1000;
    padding: 0.5rem 0;
    border-top: 2px solid var(--primary-color);
    display: none !important;
}

.has-submenu:hover>.submenu {
    display: block !important;
}

.submenu li {
    width: 100%;
    display: block;
}

.submenu a {
    display: block;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    border-bottom: 1px solid var(--gray);
    font-size: 0.9rem;
    white-space: nowrap;
    color: var(--dark) !important;
    background-color: transparent !important;
}

.submenu a:last-child {
    border-bottom: none;
}

.submenu a:hover {
    background-color: var(--gray) !important;
    color: var(--primary-color) !important;
}

/* Ajuste para móvil */
@media (max-width: 768px) {
    .nav-menu .has-submenu .submenu {
        position: static;
        display: none;
        /* Empezar oculto en móvil */
        box-shadow: none;
        border-top: none;
        padding-left: 1rem;
        background-color: #f1f5f9;
        width: 100%;
    }

    .nav-menu .has-submenu.active .submenu {
        display: block;
    }

    .has-submenu i {
        float: right;
    }
}

.form-control {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

/* Mensajes Flash */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border-left: 4px solid var(--info-color);
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

/* Tablas */
.table-responsive {
    overflow-x: auto;
    margin: 1rem 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
}

thead {
    background-color: var(--primary-color);
    color: var(--white);
}

th,
td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray);
}

th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background-color: #f1f5f9;
}

/* Paginación */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--gray);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.pagination a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination .active {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    font-weight: 600;
}

/* Filtros de búsqueda */
.search-filters {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

.flex-align-center {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

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

.login-box {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 100%;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

/* Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Indicadores de PDF */
.pdf-indicator {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pdf-indicator.has-pdf {
    background-color: #d1fae5;
    color: #065f46;
}

.pdf-indicator.no-pdf {
    background-color: #fee2e2;
    color: #991b1b;
}

/* Vista de impresión */
@media print {

    header,
    nav,
    .btn,
    .no-print {
        display: none !important;
    }

    body {
        background-color: white;
    }

    .card {
        box-shadow: none;
        page-break-inside: avoid;
    }
}

/* Responsive Design*/
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .filter-row {
        grid-template-columns: 1fr;
    }

    table {
        font-size: 0.875rem;
    }

    th,
    td {
        padding: 0.5rem;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .card {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.25rem;
    }
}

/* Utilidades */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

/* Loading state */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Botones de acción en tablas */
.action-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    padding: 0;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-icon:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-icon i {
    font-size: 1rem;
}

.btn-icon-info {
    background-color: #e0f2fe;
    color: #0369a1;
}

.btn-icon-info:hover {
    background-color: #0369a1;
    color: var(--white);
}

.btn-icon-secondary {
    background-color: #f1f5f9;
    color: #475569;
}

.btn-icon-secondary:hover {
    background-color: #475569;
    color: var(--white);
}

.btn-icon-success {
    background-color: #d1fae5;
    color: #065f46;
}

.btn-icon-success:hover {
    background-color: #065f46;
    color: var(--white);
}

.btn-icon-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.btn-icon-danger:hover {
    background-color: #991b1b;
    color: var(--white);
}

.btn-icon-outline:hover {
    background-color: var(--gray);
    color: var(--dark);
}

/* Badges */
.badge-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.badge-secondary {
    background-color: #f1f5f9;
    color: #475569;
    border: 1px solid #cbd5e1;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #f59e0b;
}

/* Tabs y Filtros (Pills) */
.tabs {
    display: inline-flex;
    gap: 8px;
    padding: 6px;
    background-color: #f1f5f9;
    border-radius: 50px;
}

.tab {
    padding: 8px 24px;
    text-decoration: none;
    color: #475569;
    font-weight: 600;
    border-radius: 40px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9rem;
    border: none;
    display: inline-block;
    cursor: pointer;
}

.tab:hover {
    background-color: #e2e8f0;
    color: var(--primary-color);
}

.tab.active {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

/* Modales */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: 2rem;
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.close-modal {
    position: absolute;
    right: 1.5rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-dark);
}

.close-modal:hover {
    color: var(--danger-color);
}