/* Custom Blue & White Theme */
:root {
    --primary-blue: #0d6efd;
    --light-blue: #e3f2fd;
    --dark-blue: #0b5ed7;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
}

body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Sidebar Styling */
#sidebar {
    background: linear-gradient(180deg, var(--primary-blue) 0%, #084298 100%);
    min-height: 100vh;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
}

#sidebar .nav-link {
    color: rgba(255,255,255,0.8);
    padding: 0.75rem 1rem;
    margin: 0.2rem 0;
    border-radius: 0.375rem;
    transition: all 0.3s;
}

#sidebar .nav-link:hover {
    color: var(--white);
    background-color: rgba(255,255,255,0.1);
}

#sidebar .nav-link.active {
    background-color: var(--white);
    color: var(--primary-blue);
    font-weight: 500;
}

#sidebar .nav-link i {
    width: 20px;
    text-align: center;
    margin-right: 10px;
}

/* Card Styling */
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.1);
}

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

/* Table Styling */
.table {
    background-color: var(--white);
}

.table thead th {
    background-color: var(--light-blue);
    border-bottom: 2px solid var(--primary-blue);
    color: var(--dark-blue);
    font-weight: 600;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.05);
}

/* Button Styling */
.btn-primary {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

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

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

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

/* Badge Styling */
.badge.bg-primary {
    background-color: var(--primary-blue) !important;
}

/* Form Styling */
.form-control:focus, .form-select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Dashboard Stats Cards */
.stat-card {
    border-left: 4px solid var(--primary-blue);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    background-color: var(--light-blue);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 1.5rem;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.breadcrumb-item a {
    text-decoration: none;
}

/* Modal Styling */
.modal-header {
    background-color: var(--light-blue);
    color: var(--dark-blue);
}

/* Progress Bars */
.progress {
    height: 8px;
    border-radius: 4px;
}

/* Custom Alert */
.alert-custom {
    background-color: var(--light-blue);
    border-color: var(--primary-blue);
    color: var(--dark-blue);
}

/* Responsive */
@media (max-width: 768px) {
    #sidebar {
        min-height: auto;
        position: static;
    }
    
    .sidebar-header {
        padding: 1rem !important;
    }
}