/* css/style.css */
:root {
    --primary-color: #1a5276;
    --primary-dark: #154360;
    --secondary-color: #2874a6;
    --accent-color: #28b463;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --success-color: #27ae60;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --gray-color: #7f8c8d;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

* {
    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: #f8f9fa;
}

.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem 0;
    box-shadow: var(--box-shadow);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
}

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

.user-info small {
    opacity: 0.8;
    font-size: 0.8rem;
}

/* Navegación Principal */
.main-nav {
    background: white;
    border-bottom: 1px solid #e0e0e0;
    padding: 0 1rem;
    display: flex;
    gap: 2rem;
}

.nav-link {
    padding: 1rem 0;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Contenido Principal */
.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    width: 100%;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h2 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--gray-color);
}

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

.card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
}

.card h3 {
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card .number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.card.alert .number {
    color: var(--danger-color);
}

.card.warning .number {
    color: var(--warning-color);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Botones */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

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

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

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

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

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--dark-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    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(26, 82, 118, 0.1);
}

/* Tablas */
.table-responsive {
    overflow-x: auto;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

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

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

.data-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: var(--dark-color);
}

.data-table tr:hover {
    background: #f8f9fa;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.badge-primary {
    background: #d1ecf1;
    color: #0c5460;
}

/* Alertas */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Grid para formularios */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

/* Utilidades */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.hidden { display: none; }

/* Navegación móvil (oculta en desktop) */
.mobile-nav {
    display: none;
}

/* Header actions */
.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Report actions */
.report-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

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