/* Nginx Site Manager - Custom Styles */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    --dark-color: #1e293b;
    --light-color: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition-all: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Body and Layout */
body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    min-height: 100vh;
    color: var(--text-primary);
}

/* Modern Navbar */
.modern-navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand i {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.modern-navbar .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition-all);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    position: relative;
}

.modern-navbar .nav-link:hover {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.modern-navbar .nav-link.active {
    color: var(--primary-color);
    background: rgba(99, 102, 241, 0.15);
}

/* Modern Cards */
.card {
    background: white;
    border: none;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-all);
    overflow: hidden;
}

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

.card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    padding: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Stat Cards */
.stat-card {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    border: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition-all);
}

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

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    opacity: 0.1;
    border-radius: 50%;
    transform: translate(30px, -30px);
}

.stat-card.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stat-card.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
}

.stat-card.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.stat-card.info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-icon {
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 3rem;
    opacity: 0.3;
}

/* Modern Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: var(--transition-all);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

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

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-color) 100%);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
}

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
}

/* Status Badges */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}

/* Table Improvements */
.table {
    background: white;
}

.table th {
    border-top: none;
    font-weight: 600;
    color: var(--dark-color);
    background-color: var(--light-color);
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 123, 255, 0.075);
}

/* Form Enhancements */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 0.25rem;
}

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

/* Toast Notifications */
.toast {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.toast-header {
    background-color: var(--light-color);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

/* Dashboard Layout */
.dashboard-container {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.dashboard-header {
    margin-bottom: 2rem;
    animation: fadeInDown 0.5s ease-out;
}

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

.dashboard-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.dashboard-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Quick Actions Grid */
.quick-actions {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.quick-action-btn {
    background: white;
    border: 2px solid var(--border-color);
    padding: 1rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition-all);
    text-decoration: none;
    color: var(--text-primary);
}

.quick-action-btn:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    transform: translateX(4px);
    color: var(--primary-color);
}

.quick-action-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.quick-action-icon.primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    color: var(--primary-color);
}

.quick-action-icon.success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    color: var(--success-color);
}

.quick-action-icon.info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(37, 99, 235, 0.1) 100%);
    color: var(--info-color);
}

.quick-action-icon.warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    color: var(--warning-color);
}

.quick-action-text {
    flex: 1;
}

.quick-action-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.quick-action-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Site Cards */
.site-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-all);
    position: relative;
}

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

.site-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.site-status.active {
    background: var(--success-color);
    animation: pulse-status 2s infinite;
}

.site-status.inactive {
    background: var(--text-secondary);
}

@keyframes pulse-status {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.site-name {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.site-domain {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.site-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.site-type-badge.static {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.site-type-badge.proxy {
    background: rgba(236, 72, 153, 0.1);
    color: var(--accent-color);
}

.site-type-badge.load-balancer {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* Configuration Sections */
.config-section {
    animation: fadeIn 0.3s ease;
}

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

/* Status Indicators */
.status-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-indicator.online {
    background-color: var(--success-color);
    animation: pulse 2s infinite;
}

.status-indicator.offline {
    background-color: var(--danger-color);
}

.status-indicator.warning {
    background-color: var(--warning-color);
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Smooth Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

/* Charts Container */
.chart-container {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

/* Activity Feed */
.activity-feed {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.activity-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-all);
}

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

.activity-item:hover {
    background: rgba(99, 102, 241, 0.02);
    margin: 0 -1rem;
    padding: 1rem;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.activity-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.activity-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .dashboard-container {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .stat-icon {
        font-size: 2rem;
    }
    
    .dashboard-title {
        font-size: 1.5rem;
    }
}

/* Alert Improvements */
.alert {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.1);
    color: #155724;
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.1);
    color: #721c24;
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.1);
    color: #856404;
}

.alert-info {
    background-color: rgba(23, 162, 184, 0.1);
    color: #0c5460;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 1rem;
    border: 2px dashed var(--border-color);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
}

.empty-state h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* Progress Bars */
.progress {
    height: 0.5rem;
    border-radius: 0.25rem;
    background-color: rgba(0, 0, 0, 0.1);
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* Input Groups */
.input-group-text {
    background-color: var(--light-color);
    border-color: #ced4da;
    color: #495057;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.shadow {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15) !important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.175) !important;
}

/* Configuration Section Components */
.config-section {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    animation: fadeIn 0.3s ease;
}

.config-section-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: 12px 12px 0 0;
}

.config-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
}

.config-section-body {
    padding: 1.5rem;
}

/* Site Type Cards */
.site-type-card {
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: white;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.site-type-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    transform: translateY(-2px);
}

.site-type-card input[type="radio"] {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
}

.site-type-card input[type="radio"]:checked + label {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.site-type-card input[type="radio"]:checked + label .text-primary,
.site-type-card input[type="radio"]:checked + label .text-info,
.site-type-card input[type="radio"]:checked + label .text-warning {
    color: white !important;
}

.site-type-card input[type="radio"]:checked + label .text-muted {
    color: rgba(255, 255, 255, 0.9) !important;
}

.site-type-card .form-check-label {
    cursor: pointer;
    border-radius: 10px;
    transition: all 0.3s ease;
}

/* Form Enhancements */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Enhanced Button Styles */
.btn-danger {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border: none;
    box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #c82333 0%, #bd2130 100%);
    box-shadow: 0 4px 16px rgba(220, 53, 69, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    border: none;
    box-shadow: 0 2px 8px rgba(108, 117, 125, 0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, #5a6268 0%, #545b62 100%);
    box-shadow: 0 4px 16px rgba(108, 117, 125, 0.4);
    transform: translateY(-2px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5b5ef5 0%, #7c3aed 100%);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-2px);
}

/* Content Section Background */
.content-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    padding: 2rem;
    margin-top: 1rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(226, 232, 240, 0.6);
    backdrop-filter: blur(10px);
}

/* Dynamic config sections animation */
#typeSpecificConfig .config-section {
    animation: slideInUp 0.3s ease-out;
}

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

/* Responsive Design for Content Section */
@media (max-width: 768px) {
    .content-section {
        padding: 1.5rem;
        margin-top: 0.5rem;
        border-radius: 12px;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed */
}