/* Universal CSS for MQTT Broker Management System */
/* Complete universal styles for all pages */

/* ===== CSS VARIABLES (DESIGN TOKENS) ===== */
:root {
    /* Color Palette - Modern Blue Theme */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary-color: #64748b;
    --secondary-hover: #475569;

    /* Status Colors */
    --success-color: #10b981;
    --success-light: #d1fae5;
    --warning-color: #f59e0b;
    --warning-light: #fef3c7;
    --danger-color: #ef4444;
    --danger-light: #fee2e2;
    --info-color: #06b6d4;
    --info-light: #cffafe;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Background Colors */
    --bg-primary: var(--white);
    --bg-secondary: var(--gray-50);
    --bg-tertiary: var(--gray-100);
    --bg-dark: var(--gray-800);

    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-400);
    --text-white: var(--white);

    /* Border & Shadow */
    --border-color: var(--gray-200);
    --border-radius-sm: 6px;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Layout */
    --navbar-height: 64px;
    --max-width: 1280px;
    --max-width-sm: 640px;
    --max-width-md: 768px;
    --max-width-lg: 1024px;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;

    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;

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

    /* Animations */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

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

/* ===== RESET & BASE STYLES ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: 1.6;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

ul,
ol {
    list-style: none;
}

/* Enhanced Broker UI Styles with MQTTS Support */

/* Protocol Badges */
.protocol-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.protocol-badge.mqtt {
    background: #e3f2fd;
    color: #1976d2;
    border: 1px solid #bbdefb;
}

.protocol-badge.mqtts {
    background: #e8f5e8;
    color: #2e7d32;
    border: 1px solid #c8e6c9;
}

.protocol-badge.ws {
    background: #fff3e0;
    color: #f57c00;
    border: 1px solid #ffcc02;
}

.protocol-badge.wss {
    background: #fce4ec;
    color: #c2185b;
    border: 1px solid #f8bbd9;
}

/* SSL Configuration Section */
.ssl-config {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
}

.ssl-info-box {
    background: linear-gradient(135deg, #e8f5e8 0%, #f1f8e9 100%);
    border: 1px solid #c8e6c9;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
}

.ssl-info-box h5 {
    margin: 0 0 0.5rem 0;
    color: #2e7d32;
    font-size: 0.9rem;
}

.ssl-info-box ul {
    margin: 0;
    padding-left: 1.5rem;
    font-size: 0.85rem;
    color: #4caf50;
}

.ssl-info-box li {
    margin-bottom: 0.25rem;
}

.ssl-note {
    margin-top: 1rem;
    padding: 0.75rem;
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 4px;
    color: #856404;
    font-size: 0.8rem;
}

.ssl-note p {
    margin: 0;
}

/* Connection Information Modal */
.modal-content.large {
    max-width: 800px;
    width: 95%;
}

.connection-info {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.info-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #e9ecef;
}

.info-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.info-section h4 {
    margin: 0 0 1rem 0;
    color: #495057;
    font-size: 1.1rem;
    font-weight: 600;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

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

.info-item label {
    font-weight: 600;
    color: #6c757d;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item .value {
    font-size: 0.95rem;
    color: #495057;
}

.info-item code {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 4px;
    padding: 0.5rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85rem;
    color: #495057;
    cursor: pointer;
    transition: all 0.2s ease;
}

.info-item code.copyable:hover {
    background: #e9ecef;
    border-color: #007bff;
    color: #007bff;
}

.info-item code.sensitive {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
    cursor: default;
}

/* SSL Status Display */
.ssl-info {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
}

.ssl-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: #28a745;
}

.ssl-icon {
    font-size: 1.2rem;
}

.ssl-details p {
    margin: 0.25rem 0;
    font-size: 0.9rem;
    color: #6c757d;
}

/* Code Samples */
.code-samples {
    margin-top: 1rem;
}

.code-sample {
    margin-bottom: 1.5rem;
}

.code-sample h5 {
    margin: 0 0 0.5rem 0;
    color: #495057;
    font-size: 0.9rem;
    font-weight: 600;
}

.code-block {
    background: #2d3748;
    color: #e2e8f0;
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    overflow-x: auto;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.code-block:hover {
    background: #374151;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Form Sections */
.form-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
}

.form-section h4 {
    margin: 0 0 1rem 0;
    color: #495057;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 2px solid #007bff;
    padding-bottom: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-hint {
    font-size: 0.8rem;
    color: #6c757d;
    margin-top: 0.25rem;
    font-style: italic;
}

/* Enhanced Broker Cards */
.broker-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.broker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #28a745);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.broker-card.online {
    border-left: 4px solid #28a745;
}

.broker-card.offline {
    border-left: 4px solid #dc3545;
}

/* Status Indicators */
.status-online {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status-offline {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideInRight 0.3s ease;
}

.notification.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.notification.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.notification.warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.notification.info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
}

.notification-message {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0;
    margin-left: 1rem;
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.notification-close:hover {
    opacity: 1;
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #6c757d;
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    margin: 0 0 0.5rem 0;
    color: #495057;
}

.empty-state p {
    margin: 0 0 1.5rem 0;
    font-size: 0.95rem;
}

/* Loading States */
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 4rem 2rem;
}

.loading-content {
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem auto;
}

.loading-spinner.large {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .modal-content.large {
        width: 95%;
        max-width: none;
        margin: 10px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .broker-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .broker-actions .btn {
        width: 100%;
    }

    .code-block {
        font-size: 0.7rem;
        padding: 0.75rem;
    }
}

/* Print Styles */
@media print {

    .modal-close,
    .notification,
    .broker-actions {
        display: none !important;
    }

    .broker-card {
        break-inside: avoid;
        margin-bottom: 1rem;
    }

    .code-block {
        background: #f8f9fa !important;
        color: #000 !important;
        border: 1px solid #ddd;
    }
}

/* System Metrics Section */
.system-metrics {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-6);
}

.system-metrics h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.metrics-method {
    font-size: var(--text-sm);
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-xl);
    font-weight: 500;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.metric-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.metric-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.metric-value {
    font-size: var(--text-base);
    color: var(--text-secondary);
    font-weight: 500;
}

.metric-description {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-1);
}

/* Recent Activity Section */
.recent-activity {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.recent-activity h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.activity-link {
    font-size: var(--text-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    transition: var(--transition-fast);
}

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

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.activity-item:hover {
    background-color: var(--bg-secondary);
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    flex-shrink: 0;
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.activity-icon.online {
    background-color: var(--success-light);
    color: var(--success-color);
}

.activity-icon.offline {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.activity-icon.warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.activity-description {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.4;
}

.activity-time {
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-top: var(--spacing-1);
}

/* ===== UNIVERSAL NAVIGATION ===== */
/* ===== MODERN WHITE NAVBAR (Replace existing navbar styles) ===== */

/* Navbar Container */
.navbar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    height: var(--navbar-height);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-8);
}

/* Brand Section */
.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

.nav-logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.nav-brand h1 {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    white-space: nowrap;
}

/* Mobile Toggle Button */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--spacing-2);
    cursor: pointer;
    color: var(--gray-600);
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.nav-toggle:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.nav-toggle svg {
    display: block;
}

/* Navigation Menu */
.nav-menu {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--gray-600);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.nav-link svg {
    flex-shrink: 0;
    color: var(--gray-500);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--gray-50);
}

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

.nav-link.active {
    color: var(--primary-color);
    background: var(--primary-light);
    border-bottom: 2px solid var(--primary-color);
}

.nav-link.active svg {
    color: var(--primary-color);
}

/* User Actions Section */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-shrink: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--gray-700);
    font-size: var(--text-sm);
}

.user-info svg {
    color: var(--gray-500);
}

#user-name {
    font-weight: 500;
    color: var(--gray-900);
}

/* Logout Button */
#logout-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
    border-radius: var(--border-radius);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

#logout-btn:hover {
    background: var(--gray-200);
    color: var(--gray-900);
    border-color: var(--gray-300);
}

#logout-btn svg {
    color: var(--gray-600);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-links {
        gap: var(--spacing-1);
    }

    .nav-link {
        padding: var(--spacing-2);
        font-size: 0.8125rem;
    }

    .nav-link span {
        display: none;
    }

    .nav-link svg {
        margin: 0;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        order: 3;
    }

    .nav-container {
        flex-wrap: wrap;
        padding: 0 var(--spacing-4);
    }

    .nav-menu {
        display: none;
        width: 100%;
        order: 4;
        padding: var(--spacing-4) 0;
        border-top: 1px solid var(--gray-200);
        margin-top: var(--spacing-2);
    }

    .nav-menu.active {
        display: block;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: var(--spacing-1);
    }

    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: var(--spacing-3) var(--spacing-4);
    }

    .nav-link span {
        display: inline;
    }

    .nav-actions {
        margin-left: auto;
        order: 2;
    }

    .user-info {
        display: none;
    }

    #logout-btn {
        padding: var(--spacing-2);
    }

    #logout-btn span {
        display: none;
    }
}

@media (max-width: 480px) {
    .nav-brand h1 {
        font-size: var(--text-base);
    }

    .nav-logo {
        width: 32px;
        height: 32px;
    }
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

#user-name {
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--text-white);
}

/* ===== MAIN LAYOUT ===== */
.main-content {
    margin-top: var(--navbar-height);
    min-height: calc(100vh - var(--navbar-height));
    padding: var(--spacing-6) 0;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* ===== SECTIONS ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.section-header h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.status-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.dashboard-overview {
    margin-bottom: var(--spacing-8);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

/* ===== UNIVERSAL COMPONENTS ===== */

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    overflow: hidden;
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-6);
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* Status Cards */
.status-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 0;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.status-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-color);
}

.status-card.success::before {
    background: var(--success-color);
}

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

.status-card.danger::before {
    background: var(--danger-color);
}

.status-card.info::before {
    background: var(--info-color);
}

.status-card .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
}

.status-card .card-header h3 {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--text-secondary);
    margin: 0;
}

.status-card .card-body {
    padding: var(--spacing-5) var(--spacing-6);
}

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    background: var(--primary-color);
    color: var(--text-white);
}

.broker-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
}

.broker-icon::before {
    content: '🖥️';
}

.status-icon {
    background: linear-gradient(135deg, var(--success-color), #20c997);
}

.status-icon::before {
    content: '✅';
}

.deploy-icon {
    background: linear-gradient(135deg, var(--info-color), #0dcaf0);
}

.deploy-icon::before {
    content: '🚀';
}

.vm-icon {
    background: linear-gradient(135deg, var(--warning-color), #fd7e14);
}

.vm-icon::before {
    content: '🛠️';
}

.stat-number {
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-3);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--text-xs);
    font-weight: 500;
}

.stat-trend.positive {
    color: var(--success-color);
}

.stat-trend.negative {
    color: var(--danger-color);
}

.stat-trend.neutral {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: var(--text-sm);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    min-height: 40px;
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-hover);
    transform: translateY(-1px);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--text-white);
}

.btn-success:hover:not(:disabled) {
    background-color: #059669;
    transform: translateY(-1px);
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--gray-900);
}

.btn-warning:hover:not(:disabled) {
    background-color: #d97706;
    transform: translateY(-1px);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
    transform: translateY(-1px);
}

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

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-sm {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--text-xs);
    min-height: 32px;
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-6);
    font-size: var(--text-lg);
    min-height: 48px;
}

/* Refresh Status Indicator */
.refresh-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background-color: var(--info-light);
    color: var(--info-color);
    border-radius: var(--border-radius);
    font-size: var(--text-xs);
    font-weight: 500;
}

.refresh-status.auto-refresh {
    background-color: var(--success-light);
    color: var(--success-color);
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: var(--spacing-3);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--text-base);
    transition: var(--transition-fast);
    background-color: var(--bg-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-control:invalid {
    border-color: var(--danger-color);
}

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 8px center;
    background-repeat: no-repeat;
    background-size: 16px 12px;
    padding-right: var(--spacing-10);
}

/* Tables */
.table {
    width: 100%;
    margin-bottom: var(--spacing-4);
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--text-sm);
}

.table tbody tr:hover {
    background-color: var(--bg-secondary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--border-radius-xl);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background-color: var(--primary-light);
    color: var(--primary-color);
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success-color);
}

.badge-warning {
    background-color: var(--warning-light);
    color: var(--warning-color);
}

.badge-danger {
    background-color: var(--danger-light);
    color: var(--danger-color);
}

.badge-info {
    background-color: var(--info-light);
    color: var(--info-color);
}

/* Alerts */
.alert {
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-radius: var(--border-radius);
    border: 1px solid transparent;
}

.alert-primary {
    background-color: var(--primary-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.alert-success {
    background-color: var(--success-light);
    border-color: var(--success-color);
    color: var(--success-color);
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-danger {
    background-color: var(--danger-light);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-info {
    background-color: var(--info-light);
    border-color: var(--info-color);
    color: var(--info-color);
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

.spinner-lg {
    width: 2rem;
    height: 2rem;
    border-width: 3px;
}

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

/* Progress Bar */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--gray-200);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width var(--transition-normal);
}

.progress-bar.success {
    background-color: var(--success-color);
}

.progress-bar.warning {
    background-color: var(--warning-color);
}

.progress-bar.danger {
    background-color: var(--danger-color);
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
}

.checkbox-container input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    position: relative;
    cursor: pointer;
    transition: var(--transition-fast);
}

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

.checkbox-container input[type="checkbox"]:checked::before {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

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

.modal-content {
    background: var(--bg-primary);
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--text-xl);
    cursor: pointer;
    color: var(--text-muted);
    padding: var(--spacing-1);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    margin-bottom: var(--spacing-6);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--border-color);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
        box-shadow: var(--shadow-lg);
        margin: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-normal);
    }

    .nav-menu.active {
        max-height: 400px;
    }

    .nav-links {
        flex-direction: column;
        padding: var(--spacing-4);
        gap: 0;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: var(--spacing-3) 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .nav-actions {
        margin-left: var(--spacing-4);
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }

    .stats-grid,
    .overview-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .modal-content {
        margin: var(--spacing-4);
        width: calc(100% - 2rem);
    }

    .container {
        padding: 0 var(--spacing-3);
    }

    .main-content {
        padding: var(--spacing-4) 0;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .metrics-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-3);
    }

    .system-metrics,
    .recent-activity {
        padding: var(--spacing-4);
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 var(--spacing-3);
    }

    .nav-brand h1 {
        font-size: var(--text-lg);
    }

    .status-card {
        padding: var(--spacing-4);
    }

    .status-value {
        font-size: var(--text-2xl);
    }

    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--text-xs);
    }
}

/* ===== UTILITY CLASSES ===== */

/* Display */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-grid {
    display: grid !important;
}

/* Flexbox */
.flex-column {
    flex-direction: column !important;
}

.flex-row {
    flex-direction: row !important;
}

.justify-content-start {
    justify-content: flex-start !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-end {
    justify-content: flex-end !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.align-items-start {
    align-items: flex-start !important;
}

.align-items-center {
    align-items: center !important;
}

.align-items-end {
    align-items: flex-end !important;
}

/* Margins */
.m-0 {
    margin: 0 !important;
}

.m-1 {
    margin: var(--spacing-1) !important;
}

.m-2 {
    margin: var(--spacing-2) !important;
}

.m-3 {
    margin: var(--spacing-3) !important;
}

.m-4 {
    margin: var(--spacing-4) !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.mb-1 {
    margin-bottom: var(--spacing-1) !important;
}

.mb-2 {
    margin-bottom: var(--spacing-2) !important;
}

.mb-3 {
    margin-bottom: var(--spacing-3) !important;
}

.mb-4 {
    margin-bottom: var(--spacing-4) !important;
}

.mb-6 {
    margin-bottom: var(--spacing-6) !important;
}

.mt-0 {
    margin-top: 0 !important;
}

.mt-1 {
    margin-top: var(--spacing-1) !important;
}

.mt-2 {
    margin-top: var(--spacing-2) !important;
}

.mt-3 {
    margin-top: var(--spacing-3) !important;
}

.mt-4 {
    margin-top: var(--spacing-4) !important;
}

.ml-0 {
    margin-left: 0 !important;
}

.ml-1 {
    margin-left: var(--spacing-1) !important;
}

.ml-2 {
    margin-left: var(--spacing-2) !important;
}

.ml-3 {
    margin-left: var(--spacing-3) !important;
}

.mr-0 {
    margin-right: 0 !important;
}

.mr-1 {
    margin-right: var(--spacing-1) !important;
}

.mr-2 {
    margin-right: var(--spacing-2) !important;
}

.mr-3 {
    margin-right: var(--spacing-3) !important;
}

/* Padding */
.p-0 {
    padding: 0 !important;
}

.p-1 {
    padding: var(--spacing-1) !important;
}

.p-2 {
    padding: var(--spacing-2) !important;
}

.p-3 {
    padding: var(--spacing-3) !important;
}

.p-4 {
    padding: var(--spacing-4) !important;
}

.pb-0 {
    padding-bottom: 0 !important;
}

.pb-1 {
    padding-bottom: var(--spacing-1) !important;
}

.pb-2 {
    padding-bottom: var(--spacing-2) !important;
}

.pb-3 {
    padding-bottom: var(--spacing-3) !important;
}

.pb-4 {
    padding-bottom: var(--spacing-4) !important;
}

.pt-0 {
    padding-top: 0 !important;
}

.pt-1 {
    padding-top: var(--spacing-1) !important;
}

.pt-2 {
    padding-top: var(--spacing-2) !important;
}

.pt-3 {
    padding-top: var(--spacing-3) !important;
}

.pt-4 {
    padding-top: var(--spacing-4) !important;
}

.pl-0 {
    padding-left: 0 !important;
}

.pl-1 {
    padding-left: var(--spacing-1) !important;
}

.pl-2 {
    padding-left: var(--spacing-2) !important;
}

.pl-3 {
    padding-left: var(--spacing-3) !important;
}

.pr-0 {
    padding-right: 0 !important;
}

.pr-1 {
    padding-right: var(--spacing-1) !important;
}

.pr-2 {
    padding-right: var(--spacing-2) !important;
}

.pr-3 {
    padding-right: var(--spacing-3) !important;
}

/* Text */
.text-left {
    text-align: left !important;
}

.text-center {
    text-align: center !important;
}

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

.text-xs {
    font-size: var(--text-xs) !important;
}

.text-sm {
    font-size: var(--text-sm) !important;
}

.text-base {
    font-size: var(--text-base) !important;
}

.text-lg {
    font-size: var(--text-lg) !important;
}

.text-xl {
    font-size: var(--text-xl) !important;
}

.text-2xl {
    font-size: var(--text-2xl) !important;
}

.text-3xl {
    font-size: var(--text-3xl) !important;
}

.font-normal {
    font-weight: 400 !important;
}

.font-medium {
    font-weight: 500 !important;
}

.font-semibold {
    font-weight: 600 !important;
}

.font-bold {
    font-weight: 700 !important;
}

/* Text Colors */
.text-primary {
    color: var(--text-primary) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-white {
    color: var(--text-white) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-info {
    color: var(--info-color) !important;
}

/* Background Colors */
.bg-primary {
    background-color: var(--bg-primary) !important;
}

.bg-secondary {
    background-color: var(--bg-secondary) !important;
}

.bg-success {
    background-color: var(--success-color) !important;
}

.bg-warning {
    background-color: var(--warning-color) !important;
}

.bg-danger {
    background-color: var(--danger-color) !important;
}

.bg-info {
    background-color: var(--info-color) !important;
}

/* Width & Height */
.w-100 {
    width: 100% !important;
}

.h-100 {
    height: 100% !important;
}

/* Border Radius */
.rounded {
    border-radius: var(--border-radius) !important;
}

.rounded-lg {
    border-radius: var(--border-radius-lg) !important;
}

.rounded-xl {
    border-radius: var(--border-radius-xl) !important;
}

/* Shadows */
.shadow {
    box-shadow: var(--shadow) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

.shadow-xl {
    box-shadow: var(--shadow-xl) !important;
}

/* Position */
.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.position-fixed {
    position: fixed !important;
}

/* Float */
.float-left {
    float: left !important;
}

.float-right {
    float: right !important;
}

/* Overflow */
.overflow-hidden {
    overflow: hidden !important;
}

.overflow-auto {
    overflow: auto !important;
}

/* ===== DASHBOARD SPECIFIC STYLES ===== */

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.dashboard-section {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.dashboard-section h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--text-primary);
}

/* Broker Status Grid */
.broker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-8);
}

.broker-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.broker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--success-color);
}

.broker-card.offline::before {
    background: var(--danger-color);
}

.broker-card.warning::before {
    background: var(--warning-color);
}

.broker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-4);
}

.broker-name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.broker-status {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--border-radius-xl);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.broker-status.online {
    background-color: var(--success-light);
    color: var(--success-color);
}

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

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

.broker-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.broker-metric {
    text-align: center;
}

.broker-metric-value {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.broker-metric-label {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-1);
}

.broker-actions {
    display: flex;
    gap: var(--spacing-2);
    flex-wrap: wrap;
}

/* Deployment Status */
.deployment-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-4);
}

.deployment-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
    font-weight: bold;
    color: var(--text-white);
}

.deployment-icon.ready {
    background-color: var(--success-color);
}

.deployment-icon.scaling {
    background-color: var(--warning-color);
}

.deployment-icon.error {
    background-color: var(--danger-color);
}

.deployment-info h4 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-1);
    color: var(--text-primary);
}

.deployment-info p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin: 0;
}

/* Enhanced animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }

    to {
        transform: translateX(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Interactive states */
.clickable {
    cursor: pointer;
    user-select: none;
    transition: var(--transition-fast);
}

.clickable:hover {
    transform: translateY(-1px);
}

.clickable:active {
    transform: translateY(0);
}

.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== END OF UNIVERSAL CSS ===== */