/* Table styling for server logs */
#server-logs-section .table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

#server-logs-section .table th,
#server-logs-section .table td {
    padding: 6px 8px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

#server-logs-section .table thead th {
    position: sticky;
    top: 0;
    background: #f9fafb;
    z-index: 1;
}

#server-logs-section .table-wrapper {
    max-height: 500px;
    overflow: auto;
}

/* Basic text colors for status labels */
.text-green-600 { color: #16a34a; } /* tailwind green-600 */
.text-red-600 { color: #dc2626; }   /* tailwind red-600 */
/* Table styling for server logs */
#server-logs-section .table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

#server-logs-section .table th,
#server-logs-section .table td {
    padding: 6px 8px;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

#server-logs-section .table thead th {
    position: sticky;
    top: 0;
    background: #f9fafb;
    z-index: 1;
}

#server-logs-section .table-wrapper {
    max-height: 500px;
    overflow: auto;
}
/* ============================================
   CSS Variables & Theme System
   ============================================ */
:root {
    /* Color Palette - Primary */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-primary-gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);

    /* Color Palette - Secondary */
    --color-secondary: #1e40af;
    --color-secondary-dark: #1e3a8a;
    --color-secondary-light: #3b82f6;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-success-light: #4ade80;
    --color-success-dark: #16a34a;
    --color-error: #dc2626;
    --color-error-light: #f87171;
    --color-error-dark: #b91c1c;
    --color-warning: #f59e0b;
    --color-warning-light: #fbbf24;
    --color-warning-dark: #d97706;
    --color-info: #0ea5e9;
    --color-info-light: #38bdf8;
    --color-info-dark: #0284c7;

    /* Neutral Colors */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #1f2937;
    --bg-darker: #111827;

    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-tertiary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;

    /* Border Colors */
    --border-light: #e5e7eb;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;

    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-colored: 0 10px 25px -5px rgba(59, 130, 246, 0.3);

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Typography */
    --font-family-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-family-mono: 'Courier New', 'Monaco', 'Menlo', monospace;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 300ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Layout */
    --container-max-width: 1600px;
    --header-height: 64px;
    --header-total-height: 40px;
    --sidebar-width: 280px;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1f2937;
        --bg-secondary: #111827;
        --bg-tertiary: #0f172a;
        --text-primary: #f9fafb;
        --text-secondary: #d1d5db;
        --text-tertiary: #9ca3af;
        --border-light: #374151;
        --border-medium: #4b5563;
    }
}

/* ============================================
   Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    overflow: hidden;
}

/* Layout */
.app-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--color-primary-gradient);
    color: var(--text-inverse);
    padding: 0.125rem 0;
    box-shadow: var(--shadow-lg);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: var(--z-fixed);
    backdrop-filter: blur(10px);
    background-blend-mode: overlay;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.app-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    position: relative;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.branding {
    display: flex;
    flex-direction: column;
    gap: 0.0625rem;
    flex-shrink: 0;
}

.branding h1 {
    font-size: var(--font-size-base);
    margin-bottom: 0;
    color: var(--text-inverse);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.branding__subtitle {
    font-size: var(--font-size-xs);
    opacity: 0.9;
    font-weight: var(--font-weight-normal);
    line-height: 1.1;
}

.nav-toggle {
    background: transparent;
    border: none;
    color: var(--text-inverse);
    display: none;
    flex-direction: column;
    gap: 0.35rem;
    padding: var(--spacing-xs);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
    position: relative;
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

.nav-toggle:active {
    transform: translateY(0);
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-inverse);
    display: block;
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    border-radius: var(--radius-full);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.primary-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.primary-nav ul {
    list-style: none;
    display: flex;
    gap: calc(var(--spacing-sm) - 2px);
    align-items: center;
}

.primary-nav a {
    color: var(--text-inverse);
    text-decoration: none;
    padding: 0.125rem calc(var(--spacing-xs) - 1.5px);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-smooth);
    font-weight: var(--font-weight-medium);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.primary-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.15);
    opacity: 0;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
    border-radius: var(--radius-full);
    transform: scale(0.8);
}

.primary-nav a:hover::before {
    opacity: 1;
    transform: scale(1);
}

.primary-nav a:hover,
.primary-nav a.active {
    background-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.primary-nav a:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.primary-nav a.active {
    background-color: rgba(255, 255, 255, 0.25);
    font-weight: var(--font-weight-semibold);
}

/* Submenu styles */
.primary-nav li.has-submenu {
    position: relative;
}

.primary-nav .submenu-arrow {
    font-size: 0.6rem;
    margin-left: 0.25rem;
    transition: transform var(--transition-smooth);
}

.primary-nav li.has-submenu:hover .submenu-arrow {
    transform: rotate(180deg);
}

.primary-nav .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
    z-index: var(--z-dropdown);
    list-style: none;
    padding: 0.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.primary-nav li.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-nav .submenu li {
    margin: 0;
}

.primary-nav .submenu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    border-radius: 0;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}

.primary-nav .submenu a::before {
    display: none;
}

.primary-nav .submenu a:hover {
    background-color: var(--bg-secondary);
    transform: none;
    box-shadow: none;
}

.primary-nav .submenu a.active {
    background-color: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-shrink: 0;
}

.user-chip {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.user-chip:hover {
    background: rgba(0, 0, 0, 0.3);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    background: #34495e;
    color: white;
}

.nav-link.active {
    background: rgba(52, 152, 219, 0.3);
    color: white;
    box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
}

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

.logout-btn {
    color: var(--text-inverse);
    text-decoration: none;
    padding: 0.125rem var(--spacing-xs);
    border-radius: var(--radius-full);
    transition: all var(--transition-smooth);
    font-weight: var(--font-weight-medium);
    position: relative;
    overflow: hidden;
    font-size: var(--font-size-xs);
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.15);
    opacity: 0;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
    border-radius: var(--radius-full);
    transform: scale(0.8);
}

.logout-btn:hover::before {
    opacity: 1;
    transform: scale(1);
}

.logout-btn:hover {
    background: rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.main-content {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    width: 100%;
    padding-top: calc(var(--header-height) + var(--header-total-height) + 60px + 2rem - 3px); /* Account for header and second-header height */
    overflow-y: auto;
    max-height: calc(100vh - var(--header-height) - var(--header-total-height) - 24px - 22px); /* Account for header, second-header, and footer */
}

.main-content::-webkit-scrollbar {
    width: 12px;
}

.main-content::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.main-content::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--radius-md);
    border: 2px solid var(--bg-secondary);
    transition: background var(--transition-fast);
}

.main-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Content sections scrollbar */
.logs-content::-webkit-scrollbar,
.server-content::-webkit-scrollbar,
.dashboard-content::-webkit-scrollbar,
.device-content::-webkit-scrollbar,
.devices-content::-webkit-scrollbar,
.settings-content::-webkit-scrollbar,
.users-content::-webkit-scrollbar,
.settings-section::-webkit-scrollbar,
.capability-content::-webkit-scrollbar,
.device-detail-section::-webkit-scrollbar,
.rpc-methods-list::-webkit-scrollbar,
.rpc-requests-list::-webkit-scrollbar {
    width: 12px;
}

.logs-content::-webkit-scrollbar-track,
.server-content::-webkit-scrollbar-track,
.dashboard-content::-webkit-scrollbar-track,
.device-content::-webkit-scrollbar-track,
.devices-content::-webkit-scrollbar-track,
.settings-content::-webkit-scrollbar-track,
.users-content::-webkit-scrollbar-track,
.settings-section::-webkit-scrollbar-track,
.capability-content::-webkit-scrollbar-track,
.device-detail-section::-webkit-scrollbar-track,
.rpc-methods-list::-webkit-scrollbar-track,
.rpc-requests-list::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.logs-content::-webkit-scrollbar-thumb,
.server-content::-webkit-scrollbar-thumb,
.dashboard-content::-webkit-scrollbar-thumb,
.device-content::-webkit-scrollbar-thumb,
.devices-content::-webkit-scrollbar-thumb,
.settings-content::-webkit-scrollbar-thumb,
.users-content::-webkit-scrollbar-thumb,
.settings-section::-webkit-scrollbar-thumb,
.capability-content::-webkit-scrollbar-thumb,
.device-detail-section::-webkit-scrollbar-thumb,
.rpc-methods-list::-webkit-scrollbar-thumb,
.rpc-requests-list::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--radius-md);
    border: 2px solid var(--bg-secondary);
    transition: background var(--transition-fast);
}

.logs-content::-webkit-scrollbar-thumb:hover,
.server-content::-webkit-scrollbar-thumb:hover,
.dashboard-content::-webkit-scrollbar-thumb:hover,
.device-content::-webkit-scrollbar-thumb:hover,
.devices-content::-webkit-scrollbar-thumb:hover,
.settings-content::-webkit-scrollbar-thumb:hover,
.users-content::-webkit-scrollbar-thumb:hover,
.settings-section::-webkit-scrollbar-thumb:hover,
.capability-content::-webkit-scrollbar-thumb:hover,
.device-detail-section::-webkit-scrollbar-thumb:hover,
.rpc-methods-list::-webkit-scrollbar-thumb:hover,
.rpc-requests-list::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

.app-footer {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-darker) 100%);
    color: var(--text-inverse);
    text-align: center;
    padding: 0;
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: var(--z-fixed);
    font-size: var(--font-size-xs);
    min-height: calc(var(--font-size-xs) + 5px);
    line-height: 1;
}

.app-footer .container {
    padding: 2.5px 0;
}

.app-footer p {
    margin: 0;
    padding: 0;
}

/* Page content */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.page-description {
    color: #666;
    font-size: 1.1rem;
}

/* Cards and content blocks */
.card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* Status Indicators for Server Status */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    border-radius: var(--radius-md);
    padding: 0.25rem 0.5rem;
}

.status-indicator:hover {
    background: rgba(0, 0, 0, 0.05);
    transform: translateY(-1px);
}

.status-indicator.online {
    color: #10b981; /* green-500 */
    font-weight: 600;
}

.status-indicator.offline {
    color: #ef4444; /* red-500 */
    font-weight: 600;
}

.status-indicator.neznámy {
    color: #6b7280; /* gray-500 */
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.status-indicator.online .status-dot {
    background: #10b981; /* green-500 */
    box-shadow: 0 0 6px rgba(16, 185, 129, 0.4);
}

.status-indicator.offline .status-dot {
    background: #ef4444; /* red-500 */
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
}

.status-indicator.neznámy .status-dot {
    background: #6b7280; /* gray-500 */
    box-shadow: 0 0 6px rgba(107, 114, 128, 0.3);
}

/* Dashboard statistics layout */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

/* Dashboard statistics cards */
.stat-card {
    background: var(--color-primary-gradient);
    color: var(--text-inverse);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    cursor: pointer;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

.stat-card:hover::before {
    opacity: 1;
}

/* Special hover effect for clickable status cards */
.stat-card[onclick]:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stat-card[onclick]:hover h3 {
    color: white;
}

.stat-card[onclick]:hover .status-indicator {
    color: white;
}

.stat-card[onclick]:hover .status-dot {
    background: white;
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
}

.stat-card h3 {
    font-size: var(--font-size-sm);
    opacity: 0.95;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    margin-top: var(--spacing-sm);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    animation: countUp 0.8s ease-out;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

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

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-200);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.card-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin: 0;
}

.card-content {
    padding: 1.5rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #667eea;
}

table tr:hover {
    background-color: #f9f9f9;
}

/* ============================================
   Devices Table (Special Compact Layout)
   ============================================ */
/* Kompaktná tabuľka pre zariadenia - všetko na jeden riadok */
#devices-table th,
#devices-table td {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    line-height: 1.3;
    white-space: nowrap;
    vertical-align: middle;
}

#devices-table th {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
}

#devices-table tbody tr {
    height: auto;
    min-height: 32px;
}

#devices-table .col-select {
    width: 40px;
    padding: var(--spacing-xs);
    text-align: center;
}

#devices-table .col-select input[type="checkbox"] {
    margin: 0;
    width: 16px;
    height: 16px;
}

#devices-table .actions-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: nowrap;
}

#devices-table .actions-header .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-base);
    line-height: 1.2;
    white-space: nowrap;
}

/* Kompaktné tlačidlá v tabuľke zariadení */
#devices-table .table-actions,
#devices-table .device-inline-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: nowrap;
    align-items: center;
}

#devices-table .table-actions .btn,
#devices-table .device-inline-actions .btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    line-height: 1.2;
    min-height: 24px;
}

#devices-table .table-actions .btn-tiny,
#devices-table .device-inline-actions .btn-tiny {
    padding: 2px var(--spacing-xs);
    font-size: 11px;
    min-height: 24px;
}

/* Zmenšiť text v bunke, ak je príliš dlhý */
#devices-table td {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

#devices-table td:first-child {
    max-width: 180px;
}

#devices-table td:nth-child(2) {
    max-width: 120px;
}

#devices-table td:nth-child(3) {
    max-width: 150px;
}

#devices-table td:nth-child(4) {
    max-width: 120px;
}

#devices-table td:nth-child(5) {
    max-width: 140px;
}

#devices-table td:nth-child(6) {
    max-width: 100px;
}

#devices-table td:last-child {
    max-width: none;
    min-width: 120px;
}

/* Parameter List Styles */
.parameter-list-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.parameter-list-controls input[type="text"] {
    flex: 1;
    min-width: 250px;
    padding: 0.625rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: border-color 0.3s ease;
}

.parameter-list-controls input[type="text"]:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ============================================
   Page Header Cards (Fixed under main header)
   ============================================ */
.second-header,
.server-header,
.dashboard-header,
.device-header,
.devices-header,
.settings-header,
.capability-header,
.device-detail-header,
.rpc-panel-header,
.rpc-requests-header,
.users-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.125rem var(--spacing-sm);
    border-radius: 0;
    margin-bottom: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: calc(var(--header-total-height) - 3px);
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1039;
    font-size: 0.625rem;
    min-height: 20px;
    display: flex;
    align-items: center;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.server-header,
.users-header {
    justify-content: flex-start;
    gap: 1rem;
}

.server-header-actions {
    display: flex;
    gap: 0.5rem;
}

.server-header-actions .btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    transition: all 0.2s ease;
}

.server-header-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.server-header-actions .btn.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.users-header-actions {
    display: flex;
    gap: 0.5rem;
}

.users-header-actions .btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    transition: all 0.2s ease;
}

.users-header-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.settings-header {
    justify-content: flex-start;
    gap: 1rem;
}

.settings-header-actions {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.settings-header-actions .btn {
    padding: 0.25rem 0.75rem;
    font-size: var(--font-size-xs);
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--text-inverse);
    transition: all var(--transition-fast);
}

.settings-header-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.settings-header-actions .btn.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.second-header,
.settings-header,
.device-detail-header,
.capability-header {
    justify-content: flex-start;
    gap: 1rem;
}

.second-header-actions,
.settings-header-actions,
.device-detail-header-actions,
.capability-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.second-header-actions .btn,
.settings-header-actions .btn,
.device-detail-header-actions .btn,
.capability-header-actions .btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    transition: all 0.2s ease;
}

.second-header-actions .btn:hover,
.settings-header-actions .btn:hover,
.device-detail-header-actions .btn:hover,
.capability-header-actions .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.second-header-actions .btn.active,
.settings-header-actions .btn.active,
.device-detail-header-actions .btn.active,
.capability-header-actions .btn.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.second-header-actions .btn.btn-secondary {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.3);
}

.second-header-actions .btn.btn-secondary:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.5);
}

/* Tlačidlá v second-header (pre typy logov) - štýl konzistentný s tlačidlami v second-header-actions */
.second-header .btn {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    transition: all 0.2s ease;
}

.second-header .btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.second-header .btn.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.second-header .btn.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.second-header .btn.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.second-header .btn.btn-secondary.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.6);
    font-weight: 600;
}

.second-header h2,
.server-header h2,
.dashboard-header h2,
.device-header h2,
.devices-header h2,
.settings-header h2,
.capability-header h2,
.device-detail-header h2,
.rpc-panel-header h2,
.rpc-requests-header h2,
.users-header h2 {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Content positioning for pages with fixed page headers */
.logs-content,
.server-content,
.dashboard-content,
.device-content,
.devices-content,
.settings-content,
.users-content,
.settings-section,
.capability-content,
.device-detail-section,
.rpc-methods-list,
.rpc-requests-list {
    position: absolute;
    top: calc(var(--header-total-height) + 17px);
    bottom: 22px;
    left: 0;
    right: 0;
    padding: var(--spacing-sm) var(--spacing-md) 0;
    background: var(--bg-primary);
    border-radius: 0;
    box-shadow: none;
    overflow-y: auto;
}

.settings-section:first-of-type,
.users-content:first-of-type,
.device-detail-section:first-of-type {
    margin-top: calc(var(--header-height) + var(--header-total-height) + var(--spacing-lg) - 3px);
}

.settings-section:not(:first-of-type),
.users-content:not(:first-of-type),
.device-detail-section:not(:first-of-type) {
    margin-top: var(--spacing-sm);
}

.logs-container,
.server-container,
.dashboard-container,
.device-container,
.devices-container,
.settings-container,
.capability-container,
.device-detail-container,
.rpc-panel-container,
.rpc-requests-container {
    padding-top: 0;
    margin-top: 0;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #2c3e50;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-primary-gradient);
    color: var(--text-inverse);
    text-decoration: none;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

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

.btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: var(--shadow-md);
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
}

.btn-tiny {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-base);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn:disabled:hover {
    transform: none;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: var(--color-primary-gradient);
    color: var(--text-inverse);
}

.btn-secondary {
    background: var(--color-gray-600);
}

.btn-secondary:hover {
    background: #5a6268;
}

.btn-danger {
    background: #dc2626;
    color: var(--text-inverse);
}

.btn-danger:hover:not(:disabled) {
    background: #b91c1c;
}

.btn-info {
    background: #0ea5e9;
    color: white;
}

.btn-info:hover {
    background: #0284c7;
}

.btn-warning {
    background: #f59e0b;
    color: white;
}

.btn-warning:hover {
    background: #d97706;
}

/* Status indicators */
.status-online {
    color: #27ae60;
}

.status-offline {
    color: #e74c3c;
}

.status-warning {
    color: #f39c12;
}

/* ============================================
   Enhanced Page Header with Tabs & Actions
   ============================================ */

/* Main navigation tabs - positioned under header */
.main-tabs {
    background: var(--bg-primary);
    border-bottom: 2px solid var(--border-light);
    padding: 1rem var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    position: relative;
    z-index: 10;
}

.main-tabs::-webkit-scrollbar {
    height: 4px;
}

.main-tabs::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

/* Page header with actions */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

/* Enhanced Tabs System */
.tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-light);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) transparent;
}

.tabs::-webkit-scrollbar {
    height: 4px;
}

.tabs::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    transition: all var(--transition-base);
    margin-bottom: -2px;
    font-weight: var(--font-weight-medium);
    white-space: nowrap;
    position: relative;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.tab-btn:hover {
    color: var(--color-primary);
    background: var(--bg-secondary);
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    background: var(--bg-primary);
}

.tab-btn.active::after {
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeInTab 0.3s ease-out;
}

.tab-content.active {
    display: block;
}

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

.page-header-content {
    flex: 1;
}

.page-title {
    font-size: 2rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.page-description {
    color: #666;
    font-size: 1.1rem;
}

.page-header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
}

.page-header-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Content sections */
.content-section {
    display: none;
}

.content-section.active {
    display: block;
}

/* Utility classes */
.text-center {
    text-align: center;
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }

.hidden {
    display: none;
}

.flex {
    display: flex;
}

.flex-between {
    justify-content: space-between;
}

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

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }


@media (max-width: 1024px) {
    .header-content {
        padding: 0 var(--spacing-md);
    }

    .main-content {
        padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 0.9rem;
        --spacing-md: 0.875rem;
        --spacing-lg: 1.25rem;
    }

    .app-header__inner {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-sm) 0;
    }

    .main-nav {
        order: 3;
        width: 100%;
    }

    .header-right {
        order: 2;
        width: 100%;
        justify-content: center;
    }

    .branding {
        order: 1;
        text-align: center;
    }

    .page-header {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .page-title {
        font-size: 1.5rem;
    }

    .page-header-actions {
        flex-direction: column;
        width: 100%;
    }

    .page-header-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .card-content {
        padding: var(--spacing-md);
    }

    .table-container {
        overflow-x: auto;
    }

    .table {
        min-width: 600px;
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 var(--spacing-sm);
    }

    .main-content {
        padding: calc(80px + var(--spacing-md)) var(--spacing-sm) var(--spacing-lg);
    }

    .page-title {
        font-size: 1.25rem;
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }

    .form-input,
    .form-select,
    .form-textarea {
        padding: var(--spacing-sm);
    }
}


@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1f2937;
        --bg-secondary: #111827;
        --bg-tertiary: #0f172a;
        --text-primary: #f9fafb;
        --text-secondary: #e2e8f0;
        --text-muted: #9ca3af;
        --color-gray-200: #374151;
        --color-gray-300: #4b5563;
    }

    .card {
        background: var(--bg-primary);
        border-color: var(--color-gray-200);
    }

    .table thead {
        background: var(--bg-tertiary);
    }

    .form-input,
    .form-select,
    .form-textarea {
        background: var(--bg-secondary);
        border-color: var(--color-gray-300);
        color: var(--text-primary);
    }
}


/* Smooth page transitions */
* {
    scroll-behavior: smooth;
}

/* ============================================
   Enhanced Scrollbar Styling
   ============================================ */
/* Global scrollbar - hidden for body */
body {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

body::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

/* Main content scrollbar */
.app-main::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.app-main::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

.app-main::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--radius-full);
    border: 1px solid var(--bg-secondary);
    transition: background var(--transition-fast);
}

.app-main::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

.app-main::-webkit-scrollbar-corner {
    background: var(--bg-secondary);
}

/* Firefox scrollbar for main content */
.app-main {
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-400) var(--bg-secondary);
}

/* Global scrollbar for other elements */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-400);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-secondary);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

::-webkit-scrollbar-corner {
    background: var(--bg-secondary);
}

/* Focus indicators */
*:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
}

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

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

.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glass morphism effect */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, #3498db, #2980b9, #1f4e79);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Subtle animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-4px); }
    60% { transform: translateY(-2px); }
}

.bounce:hover {
    animation: bounce 0.6s ease;
}

/* Status badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-badge.success {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-badge.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-badge.info {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ============================================
   Skeleton Loading States
   ============================================ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-secondary) 0%,
        var(--bg-tertiary) 50%,
        var(--bg-secondary) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
    min-height: 1em;
}

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

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

.skeleton-text:last-child {
    width: 60%;
}

.skeleton-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-card {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

/* ============================================
   Notification Styles
   ============================================ */
.notification {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--color-primary);
    z-index: var(--z-modal);
    animation: slideInRight 0.3s ease-out;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.notification--success {
    border-left-color: var(--color-success);
}

.notification--error {
    border-left-color: var(--color-error);
}

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

.notification--info {
    border-left-color: var(--color-info);
}

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

/* ============================================
   Micro-interactions
   ============================================ */
.clickable {
    cursor: pointer;
    user-select: none;
    transition: transform var(--transition-fast);
}

.clickable:active {
    transform: scale(0.98);
}

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.4);
}

/* ============================================
   Enhanced Form Controls
   ============================================ */
input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    appearance: none;
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    transition: all var(--transition-base);
    position: relative;
    flex-shrink: 0;
}

input[type="radio"] {
    border-radius: 50%;
}

input[type="checkbox"]:hover,
input[type="radio"]:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
    background: var(--color-primary-gradient);
    border-color: var(--color-primary);
}

input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-inverse);
    font-size: 12px;
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: var(--text-inverse);
    border-radius: 50%;
}

input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

input[type="checkbox"]:disabled,
input[type="radio"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Loading Spinners
   ============================================ */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    border-top-color: var(--color-primary);
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner-lg {
    width: 32px;
    height: 32px;
    border-width: 4px;
}

.spinner-white {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: var(--text-inverse);
}

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

/* ============================================
   Empty States
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    color: var(--text-tertiary);
}

.empty-state-icon {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
    display: block;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    font-size: var(--font-size-base);
    color: var(--text-tertiary);
    max-width: 400px;
    margin: 0 auto;
}

/* ============================================
   Progress Bars
   ============================================ */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: var(--color-primary-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progress-shimmer 2s infinite;
}

@keyframes progress-shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-bar-sm {
    height: 4px;
}

.progress-bar-lg {
    height: 12px;
}

/* ============================================
   Modal Styles
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-group .form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group .form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible {
    outline-offset: 3px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --border-light: #000000;
        --border-medium: #000000;
        --text-primary: #000000;
        --bg-primary: #ffffff;
    }

    .btn {
        border: 2px solid currentColor;
    }

    .card {
        border: 2px solid var(--border-medium);
    }
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .app-header__inner {
        flex-wrap: wrap;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
    }

    .app-main {
        padding: var(--spacing-md) 0 var(--spacing-lg);
        padding-top: calc(var(--header-height) + var(--header-total-height) + var(--spacing-sm) - 3px);
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    section {
        padding: var(--spacing-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .nav-toggle {
        display: flex;
        margin-left: auto;
    }

    .primary-nav {
        width: 100%;
        order: 3;
    }

    .primary-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
        margin-top: var(--spacing-md);
        display: none;
        width: 100%;
    }

    .primary-nav[data-open="true"] ul {
        display: flex;
    }

    .primary-nav .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        margin-top: 0.25rem;
        margin-left: 1.5rem;
        box-shadow: none;
        border: none;
        background: rgba(0, 0, 0, 0.05);
        padding: 0.25rem 0;
    }

    .primary-nav li.has-submenu.active .submenu,
    .primary-nav li.has-submenu:hover .submenu {
        display: block;
    }

    .primary-nav .submenu a {
        padding: 0.375rem 0.75rem;
        font-size: var(--font-size-xs);
    }

    .user-chip {
        margin-left: 0;
        order: 2;
    }

    .table-actions {
        flex-direction: column;
    }

    .server-actions {
        flex-direction: column;
    }

    table {
        font-size: var(--font-size-sm);
    }

    table th,
    table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .branding h1 {
        font-size: var(--font-size-xl);
    }

    .stat-value {
        font-size: var(--font-size-3xl);
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .app-header,
    .app-footer,
    .btn,
    .nav-toggle {
        display: none;
    }

    section {
        box-shadow: none;
        border: 1px solid var(--border-light);
        page-break-inside: avoid;
    }

    table {
        page-break-inside: auto;
    }

    table tr {
        page-break-inside: avoid;
    }
}