:root {
    --primary-color: #1e40af;
    --secondary-color: #059669;
    --light-bg: #f8f9fa;
    --dark-text: #212529;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--light-bg);
}

/* Override Bootstrap primary color */
.bg-primary {
    background-color: var(--primary-color) !important;
}

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

.btn-primary:hover {
    background-color: #1e3a8a;
    border-color: #1e3a8a;
}

.bg-success {
    background-color: var(--secondary-color) !important;
}

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

.btn-success:hover {
    background-color: #047857;
    border-color: #047857;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-success {
    color: var(--secondary-color) !important;
}

/* Cards */
.card {
    border: none;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
}

.card-header {
    background-color: white;
    border-bottom: 2px solid var(--primary-color);
    font-weight: 600;
}

/* Stats Cards */
.stat-card {
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2.5rem;
    opacity: 0.8;
}

/* Map Container */
#map {
    height: 400px;
    width: 100%;
    border-radius: 8px;
    margin-bottom: 1rem;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1rem;
    }

    .stat-card {
        margin-bottom: 1rem;
    }

    #map {
        height: 300px;
    }

    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3b82f6 100%);
}

.login-card {
    max-width: 400px;
    width: 100%;
}

/* Badge Styles */
.badge-pendiente {
    background-color: #fbbf24;
    color: #000;
}

.badge-aprobado {
    background-color: var(--secondary-color);
}

.badge-rechazado {
    background-color: #dc2626;
}

/* Loading Spinner */
.spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner-overlay.active {
    display: flex;
}

/* Notification Badge */
.notification-item {
    border-left: 3px solid var(--primary-color);
    transition: background-color 0.2s;
}

.notification-item:hover {
    background-color: #f3f4f6;
}

.notification-item.unread {
    background-color: #eff6ff;
    font-weight: 600;
}

/* Button Group */
.btn-group-sm .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

/* Table Actions */
.table-actions {
    white-space: nowrap;
}

/* Form Validation */
.is-invalid {
    border-color: #dc2626;
}

.invalid-feedback {
    color: #dc2626;
}

/* Success Message */
.alert-success {
    background-color: #d1fae5;
    border-color: var(--secondary-color);
    color: #065f46;
}

/* Error Message */
.alert-danger {
    background-color: #fee2e2;
    border-color: #dc2626;
    color: #991b1b;
}

/* Leaflet Map Customization */
.leaflet-popup-content-wrapper {
    border-radius: 8px;
}

.leaflet-popup-content {
    margin: 10px;
}

/* Check-in/Check-out Buttons */
.btn-checkin {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
    font-size: 1.1rem;
    padding: 0.75rem 1.5rem;
}

.btn-checkin:hover {
    background-color: #047857;
    border-color: #047857;
    color: white;
}

.btn-checkout {
    background-color: #dc2626;
    border-color: #dc2626;
    color: white;
    font-size: 1.1rem;
    padding: 0.75rem 1.5rem;
}

.btn-checkout:hover {
    background-color: #b91c1c;
    border-color: #b91c1c;
    color: white;
}

/* Activity Timeline */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 1.5rem;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -24px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary-color);
    border: 2px solid white;
}