/* Sistema de Asistencia - Estilos Principales */

/* Variables CSS */
:root {
    --primary-color: #1f4788;
    --secondary-color: #5a6c7d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Página de login */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header i {
    font-size: 60px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.login-header h1 {
    font-size: 28px;
    color: #333;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.login-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 15px;
    transition: var(--transition);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 71, 136, 0.1);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-check input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.login-footer {
    text-align: center;
    margin-top: 20px;
    color: #777;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: var(--box-shadow);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}

.navbar-brand i {
    font-size: 28px;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 5px;
}

.navbar-menu a {
    padding: 10px 20px;
    text-decoration: none;
    color: #555;
    border-radius: 5px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-menu a:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.navbar-menu a.active {
    background: var(--primary-color);
    color: white;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

.navbar-user span {
    color: #555;
}

/* Contenido principal */
.main-content {
    padding: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Page header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #eee;
}

.page-header h1 {
    font-size: 32px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-header p {
    color: #666;
    margin-top: 5px;
}

/* Botones */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    font-weight: 500;
}

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

.btn-primary:hover {
    background: #163a6d;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(31, 71, 136, 0.3);
}

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

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

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

.btn-warning {
    background: var(--warning-color);
    color: #333;
}

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

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-lg {
    padding: 15px 30px;
    font-size: 18px;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 13px;
}

.btn-logout {
    background: var(--danger-color);
    color: white;
    padding: 8px 15px;
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

.btn-logout:hover {
    background: #c82333;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--info-color);
}

.alert-close {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    opacity: 0.5;
}

.alert-close:hover {
    opacity: 1;
}

/* Dashboard */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
}

.stat-primary .stat-icon {
    background: var(--primary-color);
}

.stat-success .stat-icon {
    background: var(--success-color);
}

.stat-info .stat-icon {
    background: var(--info-color);
}

.stat-warning .stat-icon {
    background: var(--warning-color);
}

.stat-content h3 {
    font-size: 36px;
    margin-bottom: 5px;
}

.stat-content p {
    color: #666;
    font-size: 14px;
}

/* Quick actions */
.quick-actions {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.quick-actions h2 {
    margin-bottom: 25px;
    color: #333;
    display: flex;
    align-items: center;
    gap: 10px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.action-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.action-card i {
    font-size: 48px;
    margin-bottom: 15px;
}

.action-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.action-card p {
    font-size: 14px;
    opacity: 0.9;
}

/* Tables */
.table-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
    overflow-x: auto;
}

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

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

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.data-table tbody tr:hover {
    background: #f5f5f5;
}

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

/* Badges */
.badge {
    padding: 5px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

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

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

.badge-warning {
    background: var(--warning-color);
    color: #333;
}

.badge-info {
    background: var(--info-color);
    color: white;
}

/* Camera */
.camera-container {
    background: #000;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
    max-width: 640px;
    margin: 0 auto 20px;
}

.camera-container video,
.camera-container img {
    width: 100%;
    display: block;
}

.camera-controls {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 20px 0;
}

/* Forms */
.form-container {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(31, 71, 136, 0.1);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .navbar-menu a {
        justify-content: center;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .actions-grid {
        grid-template-columns: 1fr;
    }
}