/* Main Styles */
:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --success: #4cc9f0;
    --info: #4895ef;
    --warning: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: #333;
    line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--dark);
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.3s;
}

a:hover {
    color: var(--secondary);
}

/* Navigation */
.navbar {
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.nav-link {
    font-weight: 500;
    padding: 8px 15px !important;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(67, 97, 238, 0.1);
    color: var(--primary) !important;
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    margin-bottom: 20px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.card-header {
    background-color: white;
    border-bottom: 1px solid #eee;
    padding: 20px;
    border-radius: 15px 15px 0 0 !important;
}

.card-body {
    padding: 20px;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 1.125rem;
}

/* Forms */
.form-control, .form-select {
    border-radius: 10px;
    border: 1px solid #dee2e6;
    padding: 12px 15px;
    transition: all 0.3s;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(67, 97, 238, 0.25);
}

.form-label {
    font-weight: 600;
    margin-bottom: 8px;
    color: #555;
}

.input-group-text {
    border-radius: 10px 0 0 10px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
}

/* Alerts */
.alert {
    border-radius: 10px;
    border: none;
    padding: 15px 20px;
}

.alert-success {
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    color: #664d03;
}

.alert-info {
    background-color: #cff4fc;
    color: #055160;
}

/* Progress bars */
.progress {
    border-radius: 10px;
    background-color: #e9ecef;
    height: 10px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary) 0%, var(--info) 100%);
    border-radius: 10px;
}

/* Badges */
.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.875rem;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%) !important;
}

/* Tables */
.table {
    border-radius: 10px;
    /* overflow: hidden; */
}

.table thead th {
    background-color: var(--primary);
    color: white;
    border: none;
    font-weight: 600;
    padding: 15px;
}

.table tbody tr {
    transition: background-color 0.3s;
}

.table tbody tr:hover {
    background-color: rgba(67, 97, 238, 0.05);
}

.table td, .table th {
    padding: 15px;
    vertical-align: middle;
}

/* Breadcrumb */
.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 20px;
}

.breadcrumb-item.active {
    color: var(--primary);
    font-weight: 500;
}

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

.timeline-item {
    position: relative;
    margin-bottom: 20px;
}

.timeline-marker {
    position: absolute;
    left: -30px;
    top: 5px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--primary);
}

.timeline-content {
    padding: 15px;
    background-color: var(--light);
    border-radius: 10px;
}

/* Modals */
.modal-content {
    border-radius: 15px;
    border: none;
}

.modal-header {
    border-bottom: 1px solid #eee;
    border-radius: 15px 15px 0 0;
    padding: 20px;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid #eee;
    padding: 20px;
}

/* Pagination */
.pagination {
    gap: 5px;
}

.page-link {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    color: var(--primary);
    transition: all 0.3s;
}

.page-link:hover {
    background-color: rgba(67, 97, 238, 0.1);
    border-color: var(--primary);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-color: var(--primary);
    color: white;
}

/* Footer */
footer {
    margin-top: 50px;
}

/* Loading spinner */
.spinner-border {
    width: 1.5rem;
    height: 1.5rem;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2.5rem;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .btn {
        padding: 8px 16px;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Print styles */
@media print {
    .navbar, .btn, .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}