@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --color-primary: #6366F1;
    --color-secondary: #818CF8;
    --color-cta: #10B981;
    --color-background: #F5F3FF;
    --color-text: #1E1B4B;
    
    --success-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --info-color: #3B82F6;
    
    --sidebar-width: 260px;
    --header-height: 64px;
    
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.3);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-background);
    color: var(--color-text);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--color-text);
}

.navbar {
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    z-index: 1030;
    transition: all 200ms ease;
}

.sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: linear-gradient(180deg, #6366F1 0%, #8B5CF6 100%);
    backdrop-filter: blur(12px);
    overflow-y: auto;
    transition: all 200ms ease;
    z-index: 1020;
    box-shadow: var(--shadow-lg);
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar-nav {
    padding: var(--space-lg) 0;
    list-style: none;
    margin: 0;
}

.sidebar-nav li {
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-nav li:last-child {
    border-bottom: none;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: all 200ms ease;
    font-weight: 500;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
    background-color: rgba(255,255,255,0.12);
    color: white;
}

.sidebar-nav li a i {
    width: 24px;
    margin-right: var(--space-md);
    text-align: center;
    font-size: 1.1rem;
}

.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--header-height);
    padding: var(--space-xl);
    min-height: calc(100vh - var(--header-height));
    transition: all 200ms ease;
}

.main-content.expanded {
    margin-left: 0;
}

.page-header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    padding: var(--space-lg) var(--space-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--glass-border);
    margin-bottom: var(--space-xl);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 0;
    display: flex;
    align-items: center;
}

.page-title i {
    color: var(--color-primary);
    margin-right: var(--space-sm);
}

.dashboard-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--glass-border);
    transition: all 200ms ease;
    margin-bottom: var(--space-lg);
    cursor: pointer;
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.dashboard-card .card-icon {
    width: 64px;
    height: 64px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: var(--shadow-sm);
}

.dashboard-card.primary .card-icon {
    background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
}

.dashboard-card.success .card-icon {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
}

.dashboard-card.warning .card-icon {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
}

.dashboard-card.info .card-icon {
    background: linear-gradient(135deg, #3B82F6 0%, #60A5FA 100%);
}

.dashboard-card .text-muted {
    color: #6B7280;
    font-size: 0.875rem;
}

.dashboard-card .h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0;
}

.card {
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
}

.card-body {
    padding: var(--space-lg);
}

.table {
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background-color: var(--color-background);
    border-top: none;
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--space-md);
}

.table td {
    padding: var(--space-md);
    vertical-align: middle;
}

.table tbody tr {
    transition: all 200ms ease;
}

.table tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.05);
}

.btn {
    border-radius: 10px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all 200ms ease;
    cursor: pointer;
    border: none;
    font-size: 0.95rem;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--color-cta) 0%, #34D399 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #059669 0%, #10B981 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.input-group-text {
    background: var(--color-background);
    border: 1px solid #E2E8F0;
    color: #6B7280;
}

.form-control {
    border-radius: 10px;
    border: 1px solid #E2E8F0;
    padding: 12px 16px;
    transition: all 200ms ease;
    font-size: 1rem;
    background: white;
}

.form-control:focus {
    border-color: var(--color-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-label {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    display: block;
}

.badge {
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #34D399 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%) !important;
}

.alert {
    border: none;
    border-radius: 12px;
    padding: var(--space-md) var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(52, 211, 153, 0.1) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(248, 113, 113, 0.1) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.pagination {
    margin-bottom: 0;
}

.page-link {
    border: 1px solid #E2E8F0;
    color: var(--color-primary);
    padding: 8px 14px;
    border-radius: 8px;
    margin: 0 4px;
    transition: all 200ms ease;
}

.page-link:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
}

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

.page-item.disabled .page-link {
    color: #9CA3AF;
    cursor: not-allowed;
}

.navbar-custom {
    background: linear-gradient(135deg, var(--color-primary) 0%, #8B5CF6 100%);
    box-shadow: var(--shadow-md);
    height: var(--header-height);
    border: none;
}

.navbar-brand {
    color: white !important;
    font-weight: 700;
    font-size: 1.35rem;
    font-family: 'Poppins', sans-serif;
    letter-spacing: -0.5px;
}

.navbar-brand:hover {
    color: rgba(255, 255, 255, 0.9) !important;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: 8px;
    transition: all 200ms ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: white !important;
}

.sidebar-toggle {
    background: none;
    border: none;
    color: white;
    font-size: 1.3rem;
    padding: var(--space-sm);
    border-radius: 8px;
    transition: all 200ms ease;
    cursor: pointer;
}

.sidebar-toggle:hover {
    background-color: rgba(255, 255, 255, 0.15);
}

.sidebar-toggle:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.dropdown-menu {
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    padding: var(--space-sm);
    background: white;
    backdrop-filter: blur(12px);
}

.dropdown-item {
    padding: 10px 16px;
    border-radius: 8px;
    transition: all 200ms ease;
    color: var(--color-text);
    font-weight: 500;
    display: flex;
    align-items: center;
}

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

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

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

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: var(--space-md);
    }

    .main-content.expanded {
        margin-left: 0;
    }
    
    .dashboard-card .card-icon {
        width: 56px;
        height: 56px;
    }
    
    .page-header {
        padding: var(--space-md) var(--space-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }
    
    .main-content {
        padding: var(--space-sm);
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .table th,
    .table td {
        padding: var(--space-sm);
        font-size: 0.875rem;
    }
    
    .btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.25rem;
    }
    
    .dashboard-card .h4 {
        font-size: 1.5rem;
    }
}