/* SERVYN - Modern Design System */

:root {
    /* Primary Colors - Trust & Intelligence */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Accent Colors */
    --accent: #10b981;
    --accent-dark: #059669;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;
    
    /* Neutrals */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --error: #ef4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Spacing */
    --spacing-unit: 0.25rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-display: 'Inter', var(--font-sans);
}

/* Global Styles */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

/* Modern Card Styles */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
}

.card-header.bg-white {
    background: white !important;
    color: var(--gray-900);
    border-bottom: 1px solid var(--gray-200);
}

.card-body {
    padding: 1.5rem;
}

/* Modern Buttons */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
    border: none;
    text-transform: none;
    letter-spacing: 0.02em;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    transform: translateY(-1px);
    background: linear-gradient(135deg, #5568d3 0%, #6b4390 100%);
}

.btn-success {
    background: var(--accent);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-success:hover {
    background: var(--accent-dark);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--radius-md);
}

/* Modern Navbar - Dark gray background */
.navbar {
    background: #1f2937 !important;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    transition: all 0.2s ease;
}

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

/* Stats Cards */
.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

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

.stat-card.primary {
    border-left-color: #667eea;
}

.stat-card.success {
    border-left-color: var(--accent);
}

.stat-card.warning {
    border-left-color: var(--warning);
}

.stat-card .stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Modern Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Status Badges */
.badge.bg-warning {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%) !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%) !important;
}

.badge.bg-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.badge.bg-secondary {
    background: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%) !important;
}

/* Form Styles */
.form-control, .form-select {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
    font-size: 0.9375rem;
}

.form-control:focus, .form-select:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

/* Table Styles */
.table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table thead th {
    background: var(--gray-50);
    color: var(--gray-700);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border: none;
    padding: 1rem;
}

.table tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
}

.table tbody tr:hover {
    background: var(--gray-50);
}

/* Timeline Styles */
.timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    padding-bottom: 2rem;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0.875rem;
    top: 2.5rem;
    bottom: -0.5rem;
    width: 2px;
    background: var(--gray-200);
}

.timeline-item:last-child::before {
    display: none;
}

.timeline-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    font-size: 1rem;
}

.timeline-content {
    background: white;
    padding: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.timeline-content h6 {
    margin: 0 0 0.25rem 0;
    font-weight: 600;
    color: var(--gray-900);
}

.timeline-content .time {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.timeline-content p {
    margin: 0.5rem 0 0 0;
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* Asset Grid */
.asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.asset-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.asset-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: #667eea;
}

.asset-item .asset-icon {
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.asset-item h5 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
    color: var(--gray-900);
}

.asset-item .asset-meta {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: var(--gray-800);
}

.alert-danger {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: var(--gray-800);
}

.alert-info {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: var(--gray-800);
}

/* Login Page Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: rotate(-15deg);
}

.login-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
    z-index: 1;
}

.login-header {
    padding: 2.5rem 2.5rem 1.5rem;
    text-align: center;
}

.login-header .logo {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-header .tagline {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease;
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--gray-600);
    font-size: 1rem;
    margin-bottom: 2rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state .icon {
    font-size: 4rem;
    color: var(--gray-300);
    margin-bottom: 1rem;
}

.empty-state h4 {
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

/* Modal Improvements */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    background: var(--gray-50);
    border-top: 1px solid var(--gray-200);
    padding: 1rem 1.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .asset-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card .stat-number {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .modal {
        display: none !important;
    }
}