/* Modern Professional Dashboard Theme Variables */
:root {
    /* Primary Color Palette */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    
    /* Neutral Colors */
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    
    /* Semantic Colors */
    --success-color: #059669;
    --success-light: #10b981;
    --warning-color: #f97316;
    --warning-light: #fb923c;
    --danger-color: #dc2626;
    --danger-light: #ef4444;
    --info-color: #6366f1;
    --info-light: #8b5cf6;
    
    /* Layout Variables */
    --sidebar-width: 280px;
    --header-height: 72px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Light Theme */
    --background-color: var(--neutral-50);
    --background-gradient: linear-gradient(135deg, var(--neutral-50) 0%, var(--neutral-100) 100%);
    --card-background: #ffffff;
    --sidebar-bg: #ffffff;
    --text-primary: var(--neutral-800);
    --text-secondary: var(--neutral-500);
    --border-color: var(--neutral-200);
}

[data-bs-theme="dark"] {
    /* Dark Theme Overrides */
    --background-color: var(--neutral-900);
    --background-gradient: linear-gradient(135deg, var(--neutral-900) 0%, var(--neutral-800) 100%);
    --card-background: var(--neutral-800);
    --sidebar-bg: var(--neutral-800);
    --text-primary: var(--neutral-50);
    --text-secondary: var(--neutral-400);
    --border-color: var(--neutral-700);
    
    /* Adjusted shadows for dark mode */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Base Layout */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: var(--background-gradient);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.dashboard-container {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    box-shadow: var(--shadow-lg);
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
    overflow-y: auto;
    overflow-x: hidden;
    transition: var(--transition-normal);
    border-right: 1px solid var(--border-color);
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: var(--background-color);
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Sidebar Header */
.sidebar-header {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    position: relative;
    background: var(--card-background);
}

.sidebar-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--info-color));
    border-radius: 1px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
}

.sidebar-brand i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    font-size: 1.25rem;
}

.brand-text {
    font-size: 1.125rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

/* Sidebar Navigation */
.sidebar-nav {
    padding: 1.5rem 0;
}

.nav-section {
    margin-bottom: 2rem;
}

.nav-section-title {
    padding: 0 1.5rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.nav-item {
    margin: 0.25rem 1rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    font-weight: 500;
    border: 1px solid transparent;
}

.nav-link:hover {
    background: var(--background-color);
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    box-shadow: var(--shadow-md);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
}

/* Main Content Area */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-xl);
    min-height: 100vh;
    max-width: calc(100vw - var(--sidebar-width));
    overflow-x: hidden;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    background: var(--card-background);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
}

.header-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.025em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Status Indicator in Sidebar */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    margin: 1rem 1rem 0;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius);
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success-color);
    animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
    0% { 
        transform: scale(0.95); 
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); 
    }
    70% { 
        transform: scale(1); 
        box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); 
    }
    100% { 
        transform: scale(0.95); 
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); 
    }
}
/* User Info in Sidebar */
.user-section {
    position: absolute;
    bottom: 60px;
    left: 0;
    right: 0;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--sidebar-bg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.user-details {
    flex: 1;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    font-size: 0.875rem;
}

.user-role {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin: 0;
}

.logout-btn {
    padding: 0.5rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logout-btn:hover {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

/* Sidebar Footer Styles */
.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: rgba(100, 116, 139, 0.03);
}

[data-bs-theme="dark"] .sidebar-footer {
    background: rgba(15, 23, 42, 0.3);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.7rem;
    opacity: 0.7;
}

.version-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.version-link:hover {
    color: var(--primary-color);
}

/* Statistics Cards - Minimal Design */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--card-background);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.stat-card:hover {
    border-color: var(--neutral-400);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.stat-icon.success {
    background: var(--neutral-100);
    color: var(--success-color);
}

.stat-icon.info {
    background: var(--neutral-100);
    color: var(--info-color);
}

.stat-icon.warning {
    background: var(--neutral-100);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: var(--neutral-100);
    color: var(--danger-color);
}

.stat-icon.secondary {
    background: var(--neutral-100);
    color: var(--neutral-500);
}

[data-bs-theme="dark"] .stat-icon.success,
[data-bs-theme="dark"] .stat-icon.info,
[data-bs-theme="dark"] .stat-icon.warning,
[data-bs-theme="dark"] .stat-icon.danger,
[data-bs-theme="dark"] .stat-icon.secondary {
    background: var(--neutral-700);
}

.stat-number {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Client Cards Grid - Minimal Design */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}

.client-card {
    background: var(--card-background);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.client-card:hover {
    border-color: var(--neutral-400);
}

.client-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.client-info h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Updated Client Card Styling for better structure */
.client-card-header {
    padding: 1.5rem 1.5rem 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.client-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
}

.client-name-section {
    flex: 1;
    min-width: 0; /* Allows text truncation */
}

.client-name-section h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
}

.client-id {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    background: var(--neutral-100);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    display: inline-block;
    word-break: break-all;
}

[data-bs-theme="dark"] .client-id {
    background: var(--neutral-700);
}

.client-status-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--border-radius);
    background: var(--neutral-100);
    border: 1px solid var(--border-color);
}

[data-bs-theme="dark"] .client-status-badge {
    background: var(--neutral-700);
}

.client-status-badge.online {
    background: rgba(5, 150, 105, 0.1);
    border-color: rgba(5, 150, 105, 0.2);
    color: var(--success-color);
}

.client-status-badge.offline {
    background: rgba(100, 116, 139, 0.1);
    border-color: rgba(100, 116, 139, 0.2);
    color: var(--neutral-500);
}

[data-bs-theme="dark"] .client-status-badge.online {
    background: rgba(5, 150, 105, 0.15);
    border-color: rgba(5, 150, 105, 0.3);
}

[data-bs-theme="dark"] .client-status-badge.offline {
    background: rgba(100, 116, 139, 0.15);
    border-color: rgba(100, 116, 139, 0.3);
}

.client-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.client-status-badge.online .client-status-indicator {
    background: var(--success-color);
}

.client-status-badge.offline .client-status-indicator {
    background: var(--neutral-500);
}

.status-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.status-label {
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.client-status-badge.online .status-label {
    color: var(--success-color);
}

.client-status-badge.offline .status-label {
    color: var(--secondary-color);
}

.status-time {
    font-size: 0.75rem;
    opacity: 0.8;
    font-weight: 500;
}

.client-card-body {
    padding: 1.5rem;
}

.client-info-grid {
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    background: var(--background-color);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

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

.info-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.info-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.client-actions-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.action-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.action-row.primary {
    justify-content: flex-start;
}

.action-row.secondary {
    justify-content: space-between;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
    margin-top: 0.25rem;
}

.action-group {
    display: flex;
    gap: 0.375rem;
    align-items: center;
    flex-wrap: wrap;
}

.action-group.danger-actions {
    margin-left: auto;
}

.action-btn {
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-background);
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-width: 32px;
    white-space: nowrap;
    text-decoration: none;
}

.action-btn:hover {
    background: var(--neutral-100);
    border-color: var(--neutral-400);
}

[data-bs-theme="dark"] .action-btn:hover {
    background: var(--neutral-700);
}

.action-btn.compact {
    min-width: 32px;
    padding: 0.25rem;
    font-size: 0.875rem;
}

.action-btn.compact span {
    display: none;
}

/* Vereinfachte Button-Farben - Nur 3 Kategorien */
/* Primary Actions (Bearbeiten) */
.action-btn.btn-edit {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.action-btn.btn-edit:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

/* Secondary Actions (Standard-Funktionen) */
.action-btn.btn-command,
.action-btn.btn-upload,
.action-btn.btn-media,
.action-btn.btn-schedule,
.action-btn.btn-script,
.action-btn.btn-port80 {
    background: var(--neutral-600);
    color: white;
    border-color: var(--neutral-600);
}

.action-btn.btn-command:hover,
.action-btn.btn-upload:hover,
.action-btn.btn-media:hover,
.action-btn.btn-schedule:hover,
.action-btn.btn-script:hover,
.action-btn.btn-port80:hover {
    background: var(--neutral-700);
    border-color: var(--neutral-700);
}

/* Danger Actions (Kritische Aktionen) */
.action-btn.btn-reboot {
    background: var(--warning-color);
    color: white;
    border-color: var(--warning-color);
}

.action-btn.btn-reboot:hover {
    background: var(--warning-light);
    border-color: var(--warning-light);
}

.action-btn.btn-delete {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

.action-btn.btn-delete:hover {
    background: var(--danger-light);
    border-color: var(--danger-light);
}

.action-btn.btn-ssh {
    background: #6c63ff;
    color: white;
    border-color: #6c63ff;
}

.action-btn.btn-ssh:hover {
    background: #5a52ff;
    border-color: #5a52ff;
}

/* Responsive Design for Cards and Layout */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .clients-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
        max-width: 100vw;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-header {
        padding: var(--spacing-md);
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .client-card-header {
        padding: var(--spacing-md);
    }
    
    .client-info {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .client-status-badge {
        align-self: center;
        min-width: auto;
    }
    
    .client-card-body {
        padding: var(--spacing-md);
    }
    
    .action-row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .action-row.secondary {
        border-top: 1px solid var(--border-color);
        padding-top: var(--spacing-sm);
        margin-top: var(--spacing-sm);
    }
    
    .action-group {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 0.25rem;
    }
    
    .action-btn {
        flex: 0 1 auto;
        min-width: 28px;
        padding: 0.25rem 0.375rem;
        font-size: 0.7rem;
    }
    
    .action-btn.compact {
        min-width: 28px;
        padding: 0.25rem;
    }
    
    .action-btn.compact span {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
}

/* Utility Classes for Better Structure */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Focus States for Accessibility */
.action-btn:focus,
button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Loading Animation */
@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--neutral-200) 25%, var(--neutral-100) 50%, var(--neutral-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--border-radius);
}

[data-bs-theme="dark"] .skeleton {
    background: linear-gradient(90deg, var(--neutral-700) 25%, var(--neutral-600) 50%, var(--neutral-700) 75%);
    background-size: 200% 100%;
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-text.large {
    height: 1.5rem;
}

.skeleton-text.small {
    height: 0.75rem;
    width: 60%;
}

/* Remove duplicate grid styles - already defined above */

/* Enhanced Dashboard Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

[data-bs-theme="dark"] .loading-overlay {
    background: rgba(15, 23, 42, 0.8);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Dashboard Enhancement Styles */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

/* Sidebar Footer Styles */
.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: rgba(100, 116, 139, 0.03);
}

[data-bs-theme="dark"] .sidebar-footer {
    background: rgba(15, 23, 42, 0.3);
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    text-align: center;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.7rem;
    opacity: 0.7;
}

.version-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    opacity: 0.7;
    margin-top: 2px;
}

.version-link:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    opacity: 1;
    text-decoration: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .clients-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .clients-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .client-actions {
        flex-direction: column;
    }
    
    .action-btn {
        min-width: auto;
    }
}

/* Loading States */
.loading-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.skeleton {
    background: linear-gradient(90deg, var(--background-color) 25%, rgba(255,255,255,0.1) 50%, var(--background-color) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

.skeleton-text {
    height: 1rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

.skeleton-text.large {
    height: 1.5rem;
}

.skeleton-text.small {
    height: 0.75rem;
    width: 60%;
}

/* Main Layout */
body {
    background: var(--background-gradient);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: 14px;
    line-height: 1.6;
}

.main-container {
    flex: 1;
    padding: 2.5rem 0;
}

/* Header Styling */
.page-header {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--card-shadow-lg);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.company-logo {
    max-width: 60px;
    height: auto;
    margin-right: 1rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-title i {
    color: var(--primary-color);
    font-size: 1.75rem;
}

/* Technische Schriftart für Vend.Client.Link */
.tech-brand {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', 'Monaco', monospace;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.tech-brand::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 1px;
}

.page-subtitle {
    color: var(--text-secondary);
    margin: 0.75rem 0 0 0;
    font-weight: 400;
    font-size: 1.1rem;
}

/* Status Indicator */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--border-radius);
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    /* backdrop-filter: blur(10px); */ /* Removed: causes blurry text */
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--success-color);
    animation: pulse-green 2s infinite;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

@keyframes pulse-green {
    0% { 
        transform: scale(0.95); 
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7), 0 0 10px rgba(16, 185, 129, 0.3); 
    }
    70% { 
        transform: scale(1); 
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0), 0 0 10px rgba(16, 185, 129, 0.3); 
    }
    100% { 
        transform: scale(0.95); 
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0), 0 0 10px rgba(16, 185, 129, 0.3); 
    }
}

/* Statistics Cards */
.stats-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: translateY(-3px);
    transition: var(--transition);
}

.stats-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--card-shadow-lg);
    border-color: var(--primary-color);
}

.stats-card:hover::before {
    transform: translateY(0);
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stats-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.stats-icon {
    color: var(--text-secondary);
    opacity: 0.6;
    font-size: 3rem !important;
    transition: var(--transition);
}

.stats-card:hover .stats-icon {
    opacity: 1;
    color: var(--primary-color);
    transform: scale(1.1);
}

/* Main Data Table */
.data-table-container {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 0;
    box-shadow: var(--card-shadow-lg);
    overflow: hidden;
    position: relative;
}

.data-table-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.table-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
    color: white;
    padding: 2rem;
    border-bottom: none;
    position: relative;
}

.table-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    /* backdrop-filter: blur(10px); */ /* Removed: causes blurry text */
}

.table-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.table-title i {
    font-size: 1.125rem;
}

/* Enhanced Table Styling */
.table {
    margin: 0;
    font-size: 0.9rem;
}

.table th {
    background: var(--background-color);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    padding: 1rem 0.75rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.table tbody tr {
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--background-color);
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.table td {
    padding: 1rem 0.75rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.status-online {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.05)) !important;
    color: #0d9488 !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.2);
}

[data-bs-theme="dark"] .status-online {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.2), rgba(52, 211, 153, 0.05)) !important;
    color: #34d399 !important;
    border: 1px solid rgba(52, 211, 153, 0.4) !important;
    box-shadow: 0 2px 4px rgba(52, 211, 153, 0.2);
}

.status-offline {
    background: linear-gradient(135deg, rgba(107, 114, 128, 0.15), rgba(107, 114, 128, 0.05)) !important;
    color: #6b7280 !important;
    border: 1px solid rgba(107, 114, 128, 0.3) !important;
    box-shadow: 0 2px 4px rgba(107, 114, 128, 0.2);
}

/* Action Dropdown */
.action-dropdown .dropdown-toggle {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.action-dropdown .dropdown-toggle:hover,
.action-dropdown .dropdown-toggle:focus {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border-color: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--card-shadow-lg);
}

.action-dropdown .dropdown-menu {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow-lg);
    padding: 0.5rem 0;
    position: absolute !important;
    z-index: 9999 !important;
    max-height: none !important;
    overflow: visible !important;
    min-width: 220px !important;
}

.action-dropdown .dropdown-item {
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    white-space: nowrap !important;
    transition: var(--transition);
    font-size: 0.875rem;
}

.action-dropdown .dropdown-item:hover {
    background: var(--background-color);
    color: var(--text-primary);
    transform: translateX(4px);
}

.action-dropdown .dropdown-item.text-warning:hover {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    color: var(--warning-color);
}

.action-dropdown .dropdown-item.text-danger:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    color: var(--danger-color);
}

.action-dropdown .dropdown-item i {
    width: 16px;
    text-align: center;
}

/* Fix für DataTable Container Overflow - spezifischer */
.dataTables_wrapper {
    overflow-x: auto;
    overflow-y: visible !important;
}

.dataTables_scrollBody {
    overflow-x: auto;
    overflow-y: visible !important;
}

#maschinen-table_wrapper .dataTables_scrollBody {
    overflow-x: auto;
    overflow-y: visible !important;
}

/* Nur die Tabelle selbst für Dropdown-Overflow anpassen */
#maschinen-table {
    overflow: visible !important;
}

/* Container behalten ihre normale Overflow-Behandlung */
.data-table-container {
    overflow-x: auto;
    overflow-y: hidden;
}

.table-responsive {
    overflow-x: auto;
    overflow-y: hidden;
}

/* Stelle sicher, dass Dropdown-Menüs über die Tabelle hinausragen */
.action-dropdown .dropdown-menu {
    z-index: 99999 !important;
    min-width: 200px !important;
    position: fixed !important;
}

/* Zusätzliche Verstärkung für alle Bootstrap Dropdown-Menüs */
.dropdown-menu {
    z-index: 99999 !important;
}

/* Sicherstellen dass der Dropdown-Toggle einen niedrigeren Z-Index hat */
.action-dropdown .dropdown-toggle {
    z-index: 1000 !important;
}

/* Editable Name */
.editable-name {
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: none;
    border-bottom: 1px dotted var(--primary-color);
    transition: var(--transition);
    font-weight: 600;
}

.editable-name:hover {
    color: var(--primary-hover);
    border-bottom-style: solid;
    background: rgba(37, 99, 235, 0.05);
    padding: 2px 4px;
    border-radius: 4px;
}

/* User Info */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    /* backdrop-filter: blur(10px); */ /* Removed: causes blurry text */
}

.user-info .btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.user-info .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--card-shadow);
}

/* Modern Button Styles */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    box-shadow: var(--card-shadow);
}

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

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

.btn-outline-primary:hover {
    background: var(--primary-color);
    transform: translateY(-1px);
    box-shadow: var(--card-shadow);
}

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

.btn-outline-warning:hover {
    background: var(--warning-color);
    transform: translateY(-1px);
    box-shadow: var(--card-shadow);
}

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

.btn-outline-secondary:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: var(--card-shadow);
}

/* DataTable Customization */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius);
    padding: 0.5rem 0.75rem;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.dataTables_wrapper .dataTables_length select:focus,
.dataTables_wrapper .dataTables_filter input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border: 1px solid var(--border-color);
    background: var(--card-background);
    color: var(--text-primary) !important;
    border-radius: var(--border-radius);
    margin: 0 2px;
    transition: var(--transition);
    box-shadow: var(--card-shadow);
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover)) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
    transform: translateY(-1px);
    box-shadow: var(--card-shadow-lg);
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover)) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

.dataTables_wrapper .dataTables_info {
    color: var(--text-secondary);
    font-weight: 500;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 1rem;
}

.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
    font-weight: 600;
    color: var(--text-primary);
}

/* Alert Styling */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    font-weight: 500;
    box-shadow: var(--card-shadow);
    border-left: 4px solid;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.05);
    /* backdrop-filter: blur(10px); */ /* Removed: causes blurry text */
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(16, 185, 129, 0.05));
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    border-left-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border-left-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(59, 130, 246, 0.05));
    border-left-color: var(--info-color);
    color: var(--info-color);
}