:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --success-color: #10b981;
    --success-hover: #059669;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

[data-bs-theme="dark"] {
    --bs-body-bg: #0f172a;
    --bs-body-color: #e2e8f0;
    --card-bg: #1e293b;
    --card-border: #334155;
    --card-header-bg: #334155;
    --input-bg: #1e293b;
    --input-border: #475569;
    --navbar-bg: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --footer-bg: #1e293b;
    --table-stripe: rgba(255, 255, 255, 0.02);
    --hover-bg: rgba(99, 102, 241, 0.1);
}

[data-bs-theme="light"] {
    --bs-body-bg: #f8fafc;
    --bs-body-color: #1e293b;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-header-bg: #f1f5f9;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --navbar-bg: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    --footer-bg: #f1f5f9;
    --table-stripe: rgba(0, 0, 0, 0.02);
    --hover-bg: rgba(99, 102, 241, 0.05);
}

* {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bs-body-bg);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

main {
    flex: 1;
}

.navbar {
    background: var(--navbar-bg) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.navbar-brand img {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

.card-header {
    background: var(--card-header-bg);
    border-bottom: 1px solid var(--card-border);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-header.bg-primary,
.card-header.bg-success,
.card-header.bg-info,
.card-header.bg-warning,
.card-header.bg-danger,
.card-header.bg-secondary {
    border-bottom: none;
}

.card-header.bg-primary {
    background: var(--accent-gradient) !important;
}

.card-header.bg-success {
    background: var(--success-gradient) !important;
}

.card-header.bg-info {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%) !important;
}

.card-header.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
}

.card-header.bg-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.card-header.bg-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%) !important;
}

.card-body {
    padding: 1.5rem;
}

.btn {
    font-weight: 600;
    border-radius: 0.75rem;
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--accent-gradient);
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.btn-success {
    background: var(--success-gradient);
    box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(16, 185, 129, 0.5);
}

.btn-info {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.4);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(6, 182, 212, 0.5);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.4);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(245, 158, 11, 0.5);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(239, 68, 68, 0.5);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

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

.btn-outline-success:hover {
    background: var(--success-color);
    transform: translateY(-2px);
}

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

.btn-outline-info:hover {
    background: var(--info-color);
    color: white;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.form-control, .form-select {
    background: var(--input-bg);
    border: 2px solid var(--input-border);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15);
    background: var(--input-bg);
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--bs-body-color);
}

.input-group-text {
    background: var(--card-header-bg);
    border: 2px solid var(--input-border);
    border-right: none;
    border-radius: 0.75rem 0 0 0.75rem;
}

.input-group .form-control {
    border-radius: 0 0.75rem 0.75rem 0;
}

.table {
    margin-bottom: 0;
}

.table th {
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: #94a3b8;
    border-bottom: 2px solid var(--card-border);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--card-border);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: var(--table-stripe);
}

.table-hover tbody tr:hover {
    background-color: var(--hover-bg);
}

.table-dark {
    background: var(--card-header-bg);
}

[data-bs-theme="dark"] .table-dark th {
    background: #334155;
    border-bottom: 2px solid #475569;
}

.badge {
    font-weight: 600;
    padding: 0.5rem 0.875rem;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.025em;
}

.badge.bg-success {
    background: var(--success-gradient) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: white !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%) !important;
}

.badge.bg-primary {
    background: var(--accent-gradient) !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%) !important;
}

.badge.bg-dark {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%) !important;
}

.alert {
    border: none;
    border-radius: 1rem;
    padding: 1rem 1.25rem;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-bs-theme="dark"] .alert-info {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15) 0%, rgba(8, 145, 178, 0.15) 100%);
    border-left: 4px solid var(--info-color);
    color: #67e8f9;
}

[data-bs-theme="dark"] .alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
    border-left: 4px solid var(--success-color);
    color: #6ee7b7;
}

[data-bs-theme="dark"] .alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.15) 100%);
    border-left: 4px solid var(--warning-color);
    color: #fcd34d;
}

[data-bs-theme="dark"] .alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(220, 38, 38, 0.15) 100%);
    border-left: 4px solid var(--danger-color);
    color: #fca5a5;
}

[data-bs-theme="light"] .alert-info {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(8, 145, 178, 0.1) 100%);
    border-left: 4px solid var(--info-color);
    color: #0e7490;
}

[data-bs-theme="light"] .alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-left: 4px solid var(--success-color);
    color: #047857;
}

[data-bs-theme="light"] .alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    border-left: 4px solid var(--warning-color);
    color: #92400e;
}

[data-bs-theme="light"] .alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    border-left: 4px solid var(--danger-color);
    color: #b91c1c;
}

.list-group-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
}

.list-group-item:last-child {
    border-bottom: none;
}

.display-6 {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.display-4 {
    font-weight: 300;
}

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

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

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

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

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

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

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

.border-info {
    border-color: var(--info-color) !important;
}

.border-warning {
    border-color: var(--warning-color) !important;
}

.border-danger {
    border-color: var(--danger-color) !important;
}

footer {
    background: var(--footer-bg);
    border-top: 1px solid var(--card-border);
    margin-top: auto;
}

.dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: 0.5rem;
    padding: 0.625rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background: var(--hover-bg);
}

[data-bs-theme="dark"] .dropdown-item {
    color: #e2e8f0;
}

[data-bs-theme="dark"] .dropdown-item:hover {
    color: white;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: #94a3b8;
}

.stat-card {
    text-align: center;
}

.stat-card .display-4 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-success {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.glow-danger {
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.3);
}

.glow-warning {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
}

.glow-info {
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
}

.icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.icon-circle.bg-primary {
    background: var(--accent-gradient) !important;
}

.icon-circle.bg-success {
    background: var(--success-gradient) !important;
}

.progress {
    height: 0.75rem;
    border-radius: 1rem;
    background: var(--card-header-bg);
    overflow: hidden;
}

.progress-bar {
    background: var(--accent-gradient);
    border-radius: 1rem;
}

.shadow-glow {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.15);
}

@media (max-width: 768px) {
    .display-6 {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th, .table td {
        padding: 0.75rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        border-radius: 0.75rem;
    }
    
    .display-6 {
        font-size: 1.25rem;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--card-bg) 25%, var(--card-header-bg) 50%, var(--card-bg) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 0.5rem;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.fade-up {
    animation: fadeUp 0.5s ease forwards;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
}

.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

[data-bs-theme="dark"] .bg-light {
    background: var(--card-bg) !important;
}

[data-bs-theme="dark"] .text-muted {
    color: #94a3b8 !important;
}

[data-bs-theme="dark"] .table-light {
    background: var(--card-header-bg);
}

[data-bs-theme="dark"] .table-light th {
    background: var(--card-header-bg);
    color: #e2e8f0;
}

.login-card {
    max-width: 420px;
    margin: 0 auto;
}

.login-card .card {
    border: none;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.login-logo {
    width: 120px;
    margin-bottom: 1.5rem;
}

[data-bs-theme="dark"] .card.border-success {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.15);
}

[data-bs-theme="dark"] .card.border-danger {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.15);
}

[data-bs-theme="dark"] .card.border-warning {
    border-color: var(--warning-color) !important;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
}

[data-bs-theme="dark"] .card.border-info {
    border-color: var(--info-color) !important;
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.15);
}

[data-bs-theme="dark"] .card.border-primary {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
}