:root {
    --bs-primary: #0a1628;
    --bs-primary-light: #1a2d4a;
    --bs-primary-dark: #050d1a;
    --bs-primary-accent: #1e3a5f;
    --bs-secondary: #1e3a5f;
    --bs-accent: #00d4ff;
    --bs-accent-hover: #00b8e6;
    --bs-body-bg: #f8f9fa;
    --bs-body-bg-gradient: #f8f9fa;
    --bs-body-font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --card-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 10px 20px rgba(0, 0, 0, 0.3), 0 4px 6px rgba(0, 0, 0, 0.2);
    --card-shadow-hover: 0 30px 50px rgba(0, 0, 0, 0.5), 0 15px 30px rgba(0, 0, 0, 0.4), 0 6px 10px rgba(0, 0, 0, 0.3);
    --card-radius: 1rem;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bs-body-bg-gradient);
    background-attachment: fixed;
    color: #212529;
    font-family: var(--bs-body-font-family);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.navbar {
    backdrop-filter: blur(12px);
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-light) 100%) !important;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all var(--transition-normal);
    z-index: 1000;
    padding-top: 0 !important;
    padding-bottom: 80px !important;
    height: 112px !important;
    min-height: 112px !important;
    line-height: 32px !important;
}

.navbar:hover {
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4), 0 3px 15px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.025em;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #fff 0%, var(--bs-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 32px !important;
}

.nav-link {
    font-weight: 500;
    color: #94a3b8 !important;
    transition: all var(--transition-fast);
    position: relative;
    font-size: 0.95rem;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    line-height: 32px !important;
}

.nav-link:hover, .nav-link.active {
    color: #fff !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--bs-accent), #fff, var(--bs-accent));
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 80%;
}

.card {
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    background: #fff;
    transition: box-shadow var(--transition-normal);
    overflow: hidden;
}

.card:not(:has(.card-header))::before {
    content: '';
    display: block;
    background: #0a1628;
    height: 60px;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
}



.card:hover {
    box-shadow: var(--card-shadow-hover);
    border-color: rgba(0, 212, 255, 0.3);
}

.card-header {
    background: #0a1628 !important;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2) !important;
    padding: 1rem 1.5rem !important;
    position: relative !important;
    min-height: 60px !important;
    display: flex !important;
    align-items: center !important;
}



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

.card-body {
    padding: 1.5rem;
}

.card-body * {
    color: #212529;
}

.card-title {
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.025em;
    position: relative;
    padding-bottom: 0.5rem;
}

.card-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--bs-accent), #fff);
    border-radius: 2px;
}

.form-control {
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    border: 2px solid #e2e8f0;
    background-color: #fff;
    color: #212529;
    transition: all var(--transition-fast);
    font-size: 14px;
}

.form-control:focus {
    background-color: #fff;
    border-color: var(--bs-accent);
    box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.2);
    outline: none;
}

.form-control::placeholder {
    color: #64748b;
}

.input-group-text {
    background-color: #f8f9fa;
    border-color: #e2e8f0;
    color: #64748b;
    border-radius: 0.75rem 0 0 0.75rem;
}

.btn {
    padding: 0.85rem 1.75rem;
    border-radius: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.025em;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--bs-accent) 0%, #0099cc 100%);
    border-color: var(--bs-accent);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    color: #fff;
}

.btn-primary i {
    color: #fff;
}

.btn-primary:hover, .btn-primary:active, .btn-primary:focus {
    background: linear-gradient(135deg, #0099cc 0%, var(--bs-accent) 100%);
    border-color: #0099cc;
    box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
    color: #fff;
}

.btn-primary:hover i, .btn-primary:active i, .btn-primary:focus i {
    color: #fff;
}

.btn-outline-primary {
    border-color: var(--bs-primary);
    color: #fff;
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-light) 100%);
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--bs-primary-light) 0%, var(--bs-primary) 100%);
    border-color: var(--bs-primary-light);
    color: #fff;
    box-shadow: 0 4px 20px rgba(10, 22, 40, 0.4);
}

.btn-outline-info {
    border-color: rgba(0, 212, 255, 0.3);
    color: #0a1628;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(0, 153, 204, 0.3) 100%);
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-outline-info:hover {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.5) 0%, rgba(0, 153, 204, 0.5) 100%);
    border-color: rgba(0, 212, 255, 0.5);
    color: #0a1628;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border-color: #ef4444;
    color: #fff;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.btn-danger i {
    color: #fff;
}

.btn-danger:hover, .btn-danger:active, .btn-danger:focus {
    background: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    border-color: #dc2626;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
    color: #fff;
}

.btn-danger:hover i, .btn-danger:active i, .btn-danger:focus i {
    color: #fff;
}

.table {
    margin-bottom: 0;
}

.table thead th {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-light) 100%);
    border-bottom: 2px solid rgba(0, 212, 255, 0.2);
    color: #fff;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    color: #212529;
    border-bottom: 1px solid #e2e8f0;
    transition: all var(--transition-fast);
}

.table-hover tbody tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

.pagination .page-link {
    border: 1px solid #e2e8f0;
    color: #495057;
    border-radius: 0.5rem;
    margin: 0 0.125rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    background: #fff;
}

.pagination .page-link:hover {
    background-color: rgba(0, 212, 255, 0.1);
    color: var(--bs-accent);
    border-color: var(--bs-accent);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--bs-accent) 0%, #0099cc 100%);
    color: #fff;
    border-color: var(--bs-accent);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.badge {
    border-radius: 0.5rem;
    padding: 0.4rem 0.75rem;
    font-weight: 600;
    font-size: 0.75rem;
}

.badge.bg-primary {
    background: linear-gradient(135deg, var(--bs-accent) 0%, #0099cc 100%);
    color: #fff;
}

.badge.bg-info {
    background: rgba(0, 212, 255, 0.1);
    color: var(--bs-accent);
}

.badge.bg-light {
    background-color: #f8f9fa;
    color: #495057;
}

.text-muted {
    color: #64748b !important;
}

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

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

.auth-wrapper {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
    flex: 1;
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.container {
    padding-top: 120px;
    padding-bottom: 2rem;
    flex: 1;
}

.main-content {
    flex: 1;
    padding-top: 120px;
    padding-bottom: 80px;
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--bs-primary) 0%, rgba(10, 22, 40, 0.95) 100%);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 1rem 0;
    z-index: 999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

footer .container {
    padding-top: 0;
    padding-bottom: 0;
    flex: none;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(10, 22, 40, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--bs-accent) 0%, #0099cc 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #00b8e6 0%, var(--bs-accent) 100%);
}

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

.animate-fadeInUp {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
    }
    50% {
        box-shadow: 0 0 50px rgba(0, 212, 255, 0.2);
    }
}

.animate-pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

.dropdown-menu {
    background: #fff;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 0.75rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.dropdown-item {
    color: #212529;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: rgba(0, 212, 255, 0.1);
    color: var(--bs-accent);
}

.dropdown-divider {
    border-color: #e2e8f0;
}

.alert {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 0.75rem;
    color: #212529;
}

.alert-success {
    border-color: rgba(34, 197, 94, 0.3);
    background: rgba(34, 197, 94, 0.05);
}

.alert-danger {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.05);
}

.alert-info {
    border-color: rgba(0, 212, 255, 0.3);
    background: rgba(0, 212, 255, 0.05);
}

.alert-warning {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.05);
}