/* ============================================================================
   Configuration Engine - Glassmorphism UI Styles
   Color Palette: White, Blue (#3B82F6, #60A5FA), Grey (#6B7280, #9CA3AF, #E5E7EB)
   ============================================================================ */

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

:root {
    --color-white: #FFFFFF;
    --color-blue-primary: #3B82F6;
    --color-blue-light: #60A5FA;
    --color-blue-hover: #2563EB;
    --color-grey-dark: #6B7280;
    --color-grey-medium: #9CA3AF;
    --color-grey-light: #E5E7EB;
    --color-grey-bg: #F9FAFB;
    --color-border: rgba(255, 255, 255, 0.3);
    --color-shadow: rgba(0, 0, 0, 0.1);
    --color-shadow-hover: rgba(0, 0, 0, 0.15);
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --blur-sm: 8px;
    --blur-md: 10px;
    --blur-lg: 16px;
    
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #F0F4F8 0%, #E0E7EF 50%, #DBEAFE 100%);
    min-height: 100vh;
    color: var(--color-grey-dark);
    line-height: 1.6;
}

/* Glassmorphism Card Base */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
    padding: var(--spacing-xl);
    transition: all 0.3s ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12), 0 2px 8px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.2);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 16px rgba(59, 130, 246, 0.06);
}

.header h1 {
    color: var(--color-grey-dark);
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.header p {
    color: var(--color-grey-medium);
    font-size: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-blue-primary);
    color: var(--color-white);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
    background: var(--color-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-blue-primary);
    border: 1px solid rgba(59, 130, 246, 0.3);
    box-shadow: 0 1px 4px rgba(59, 130, 246, 0.1);
}

.btn-secondary:hover {
    background: var(--color-blue-primary);
    color: var(--color-white);
    border-color: var(--color-blue-primary);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
}

.btn-danger {
    background: #EF4444;
    color: var(--color-white);
}

.btn-danger:hover {
    background: #DC2626;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    color: var(--color-grey-dark);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(107, 114, 128, 0.2);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-grey-dark);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-blue-primary);
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1), 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Grid Layout */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-5 {
    grid-template-columns: repeat(5, 1fr);
}

/* Cards */
.card-list {
    display: grid;
    gap: var(--spacing-lg);
}

.card-item {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    box-shadow: 0 2px 16px rgba(59, 130, 246, 0.06);
    cursor: pointer;
}

.card-item:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.12);
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.2);
}

.card-title {
    color: var(--color-grey-dark);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.card-description {
    color: var(--color-grey-medium);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 2px 16px rgba(59, 130, 246, 0.06);
}

.table th {
    background: rgba(59, 130, 246, 0.08);
    color: var(--color-grey-dark);
    font-weight: 600;
    padding: var(--spacing-md);
    text-align: left;
    font-size: 0.875rem;
    border-bottom: 1px solid rgba(107, 114, 128, 0.15);
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(107, 114, 128, 0.1);
    font-size: 0.875rem;
    color: var(--color-grey-dark);
}

.table tr:hover {
    background: rgba(59, 130, 246, 0.04);
}

/* Badges */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-success {
    background: #D1FAE5;
    color: #065F46;
}

.badge-warning {
    background: #FEF3C7;
    color: #92400E;
}

.badge-error {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-info {
    background: #DBEAFE;
    color: #1E40AF;
}

/* Utilities */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.flex {
    display: flex;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Responsive */
@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5 {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: var(--spacing-md);
    }
}