:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f1c40f;
    --light-bg: #ecf0f1;
    --dark-bg: #34495e;
}

/* General Styles */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--light-bg);
}

/* Header Styles */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    padding: 1rem;
    border-bottom: 3px solid var(--warning-color);
    position: relative;
}

.navbar::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    position: relative;
    padding-right: 1.5rem;
}

.navbar-brand::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 24px;
    width: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.nav-item {
    position: relative;
    margin: 0 0.25rem;
}

.nav-link {
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
    border-radius: 5px;
}

.nav-link:hover {
    color: var(--warning-color) !important;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--warning-color) !important;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--warning-color);
    transform: scaleX(1);
    transition: transform 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--warning-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    margin-top: 0.5rem;
}

.dropdown-item {
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background-color: rgba(52, 152, 219, 0.1);
}

.dropdown-item i {
    width: 20px;
    text-align: center;
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        background: var(--primary-color);
        padding: 1rem;
        border-radius: 8px;
        margin-top: 1rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .nav-item {
        margin: 0.25rem 0;
    }
    
    .navbar-brand::after {
        display: none;
    }
}

/* Main Content Styles */
main {
    flex: 1;
    padding: 2rem;
}

.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

/* Dashboard Stats */
.stats-card {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: white;
    padding: 1.5rem;
    border-radius: 10px;
}

/* Map Styles */
#map-container {
    height: calc(100vh - 200px);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Form Styles */
.form-control, .btn {
    border-radius: 5px;
}

.form-control:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

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

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

/* Table Styles */
.table {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
}

.table thead th {
    background-color: var(--primary-color);
    color: white;
    border-bottom: none;
}

/* Footer Styles */
.footer {
    background: linear-gradient(135deg, var(--dark-bg), var(--primary-color)) !important;
    padding: 2rem 0;
}

.footer a:hover {
    color: var(--warning-color) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    main {
        padding: 1rem;
    }
    
    .stats-card {
        margin-bottom: 1rem;
    }
    
    #map-container {
        height: calc(100vh - 300px);
    }
}

/* Loading Animation */
.loader {
    width: 50px;
    height: 50px;
    border: 5px solid var(--light-bg);
    border-top: 5px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}