/* Font fallbacks with matched metrics - prevents CLS */
@font-face {
    font-family: 'JetBrains Mono Fallback';
    src: local('Courier New'), local('Courier'), local('monospace');
    size-adjust: 95%;
    ascent-override: 95%;
    descent-override: 25%;
}

@font-face {
    font-family: 'Orbitron Fallback';
    src: local('Impact'), local('Arial Black'), local('sans-serif');
    size-adjust: 98%;
    ascent-override: 90%;
}


@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Orbitron:wght@400;500;600;700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-green: #00ff41;
    --neon-cyan: #00ffff;
    --electric-blue: #0080ff;
    --accent-purple: #9966ff;
    --warning-orange: #ff9900;
    --error-red: #ff4444;
    --bg-black: #000000;
    --bg-dark: #0a0f0a;
    --bg-secondary: #1a2f1a;
    --bg-card: rgba(0, 8, 2, 0.75);
    --border-glow: rgba(0, 255, 65, 0.15);
    --text-primary: #00ff41;
    --text-secondary: #66ff66;
    --glass-effect: rgba(0, 255, 65, 0.03);
}

body {
    font-family: 'JetBrains Mono', 'JetBrains Mono Fallback', 'Courier New', monospace;
    background: #000000;
    color: #00ff41;             /* Fallback text color */
    color: var(--text-primary); /* Preferred text color */
    margin: 0;
    padding: 0;
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Fixed Digital Rain Effect */
#digital-rain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}


/* Enhanced grid background */
/* Grid is now drawn on the DigitalRain canvas */


.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 24px;
    position: relative;
    z-index: 1;
}

/* Navigation */
.navbar {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 16px 32px;
    margin-bottom: 32px;
    backdrop-filter: none;
    position: relative;
    overflow: visible;
    z-index: 100;
}

.navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--primary-green);
    opacity: 0.6;
    pointer-events: none;
}

.nav-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    z-index: 2;
}

.nav-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-family: 'Orbitron', 'Orbitron Fallback', 'Impact', sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
    letter-spacing: 2px;
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
    animation: brand-glow 2s ease-in-out infinite alternate;
}

@keyframes brand-glow {
    0% { text-shadow: 0 0 8px rgba(0, 255, 65, 0.4); }
    100% { text-shadow: 0 0 12px rgba(0, 255, 65, 0.5), 0 0 20px rgba(0, 255, 255, 0.15); }
}

.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    border-top: 1px solid var(--border-glow);
    padding-top: 12px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 10px 18px;
    border: 1px solid transparent;
    border-radius: 0;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.9rem;
    position: relative;
}

.nav-auth-badge {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 170, 0, 0.15);
    color: #ffaa00;
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid rgba(255, 170, 0, 0.3);
    vertical-align: middle;
    margin-left: 2px;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-green);
    background: var(--glass-effect);
    border-color: var(--border-glow);
}

.status-indicators {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.status-pill {
    background: var(--glass-effect);
    border: 1px solid var(--border-glow);
    border-radius: 20px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    white-space: nowrap;
    color: var(--text-secondary);
}

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

.status-pill.status-online .status-light {
    background: var(--primary-green);
    box-shadow: 0 0 6px var(--primary-green);
    animation: pulse-status 2s infinite;
}

.status-pill.status-offline .status-light {
    background: var(--error-red);
    box-shadow: 0 0 6px var(--error-red);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-green);
    box-shadow: 0 0 10px var(--primary-green);
    animation: pulse-status 2s infinite;
}

.status-dot.warning {
    background: var(--warning-orange);
    box-shadow: 0 0 10px var(--warning-orange);
}

.status-dot.error {
    background: var(--error-red);
    box-shadow: 0 0 10px var(--error-red);
}

@keyframes pulse-status {
    0%, 100% { 
        opacity: 1; 
        transform: scale(1);
    }
    50% { 
        opacity: 0.7;
        transform: scale(1.2);
    }
}

/* Header */
.header {
    text-align: center;
    background: var(--bg-card);
    padding: 48px 32px;
    border: 1px solid var(--border-glow);
    border-radius: 0;
    margin-bottom: 32px;
    backdrop-filter: none;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary-green);
    opacity: 0.8;
}

.header h1 {
    font-family: 'Orbitron', 'Orbitron Fallback', 'Impact', sans-serif;
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--primary-green);
    letter-spacing: 4px;
    text-transform: uppercase;
    text-shadow: none;
}

.header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-weight: 500;
}

.tech-badge {
    display: inline-block;
    background: rgba(0, 255, 65, 0.06);
    border: 1px solid var(--primary-green);
    border-radius: 0;
    padding: 10px 24px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-green);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Stats Grid */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 24px;
    text-align: center;
    transition: border-color 0.2s;
    backdrop-filter: none;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    border-color: var(--primary-green);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary-green);
    opacity: 0.6;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    display: block;
    margin-bottom: 8px;
    font-family: 'JetBrains Mono', 'JetBrains Mono Fallback', 'Courier New', monospace;
    text-shadow: none;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Enhanced Topology Styles */
.topology-section {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 32px;
    margin-bottom: 32px;
    backdrop-filter: none;
}

.topology-container {
    position: relative;
    width: 100%;
    height: 650px;
    border: 1px solid rgba(0, 255, 65, 0.2);
    border-radius: 0;
    background: rgba(0, 8, 4, 0.5);
    overflow: hidden;
}

#networkCanvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
}

#networkCanvas:active {
    cursor: grabbing;
}

.topology-controls:not(.dashboard-controls) {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid var(--border-glow);
    border-radius: 0;
    padding: 16px;
    z-index: 20;
    backdrop-filter: none;
    max-width: 200px;
}

.topology-controls.dashboard-controls {
    position: static;
    max-width: 100%;
    margin-top: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    align-items: center;
    background: rgba(0, 10, 5, 0.9);
    border: 1px solid rgba(0, 255, 65, 0.25);
    border-top: none;
    padding: 12px 24px;
}

.control-group {
    margin-bottom: 12px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: 6px;
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-button {
    background: rgba(0, 255, 65, 0.1);
    color: var(--primary-green);
    border: 1px solid rgba(0, 255, 65, 0.3);
    padding: 5px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', 'JetBrains Mono Fallback', 'Courier New', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    margin-right: 3px;
    margin-bottom: 3px;
    transition: all 0.3s ease;
}

.control-button:hover {
    background: rgba(0, 255, 65, 0.2);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 255, 65, 0.3);
}

.control-button.active {
    background: var(--primary-green);
    color: var(--bg-black);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.zoom-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: rgba(0, 255, 65, 0.2);
    border-radius: 2px;
    outline: none;
    margin: 8px 0;
}

.zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    background: var(--primary-green);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 8px var(--primary-green);
}

.zoom-slider::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--primary-green);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 8px var(--primary-green);
}

.zoom-value {
    text-align: center;
    color: var(--primary-green);
    font-size: 0.7rem;
    margin-top: 4px;
    font-weight: 600;
}

.node-info {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.95);
    border: 2px solid var(--border-glow);
    border-radius: 0;
    padding: 16px;
    min-width: 280px;
    max-width: 350px;
    z-index: 20;
    backdrop-filter: none;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.node-info.visible {
    opacity: 1;
    visibility: visible;
}

.node-info h3 {
    color: var(--primary-green);
    margin-bottom: 12px;
    font-size: 1.1rem;
    text-shadow: none;
}

.node-detail {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(0, 255, 65, 0.1);
}

.node-detail:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.detail-value {
    color: var(--primary-green);
    font-weight: 600;
    font-size: 0.85rem;
    text-align: right;
    max-width: 60%;
}

.close-button {
    position: absolute;
    top: 8px;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    transition: all 0.3s;
}

.close-button:hover {
    color: var(--error-red);
    transform: scale(1.1);
}

.topology-stats {
    position: absolute;
    bottom: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid var(--border-glow);
    border-radius: 0;
    padding: 12px 16px;
    z-index: 20;
    backdrop-filter: none;
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
}

.stat-item {
    color: var(--text-secondary);
}

.stat-item strong {
    color: var(--primary-green);
    font-weight: 600;
}

.topology-legend {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.9);
    border: 2px solid var(--border-glow);
    border-radius: 0;
    padding: 12px 16px;
    z-index: 20;
    backdrop-filter: none;
}

.legend-title {
    color: var(--primary-green);
    font-size: 0.85rem;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-size: 0.75rem;
}

.legend-item:last-child {
    margin-bottom: 0;
}

.legend-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 8px;
    box-shadow: 0 0 6px currentColor;
}

/* Shared topology info panel (dashboard + homelab) */
.topology-info-panel {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: rgba(0, 10, 5, 0.9);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 1rem;
    min-width: 220px;
    z-index: 10;
    display: none;
}
.topology-info-panel.active { display: block; }
.topology-info-panel h4 {
    color: var(--primary-green);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}
.topology-info-panel .detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.2rem 0;
    font-size: 0.75rem;
}
.topology-info-panel .detail-label { color: var(--text-secondary); }
.topology-info-panel .detail-value { color: var(--neon-cyan); }

/* Shared topology stats bar (dashboard + homelab) */
.topology-stats-bar {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    gap: 1rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    z-index: 10;
}
.topology-stats-bar strong { color: var(--primary-green); }

/* DevOps Flow with Arrows */
.flow-diagram {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    align-items: center;
    margin: 32px 0;
    position: relative;
}

.flow-step {
    background: linear-gradient(135deg, var(--glass-effect), rgba(0, 255, 255, 0.05));
    border: 2px solid var(--border-glow);
    border-radius: 0;
    padding: 24px 16px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease;
    backdrop-filter: none;
}

.flow-step:hover {
    transform: translateY(-8px);
    border-color: var(--primary-green);
    box-shadow: 0 8px 16px rgba(0, 255, 65, 0.1);
}

.flow-step::after {
    content: '→';
    position: absolute;
    right: -20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--primary-green);
    animation: flow-arrow 2s ease-in-out infinite;
    text-shadow: none;
}

.flow-step:last-child::after {
    display: none;
}

@keyframes flow-arrow {
    0%, 100% { 
        opacity: 0.6; 
        transform: translateY(-50%) translateX(0);
    }
    50% { 
        opacity: 1; 
        transform: translateY(-50%) translateX(5px);
    }
}

.flow-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: block;
    filter: drop-shadow(0 0 10px currentColor);
}

.flow-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 8px;
    text-shadow: none;
}

.flow-detail {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* System Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 32px;
    margin-bottom: 32px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 32px;
    backdrop-filter: none;
}

.info-card h3 {
    font-family: 'Orbitron', 'Orbitron Fallback', 'Impact', sans-serif;
    font-size: 1.6rem;
    color: var(--primary-green);
    margin-bottom: 24px;
    text-shadow: none;
}

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    color: var(--primary-green);
    font-family: 'JetBrains Mono', 'JetBrains Mono Fallback', 'Courier New', monospace;
    font-weight: 600;
}

/* Tech Stack Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.tech-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 24px;
    text-align: center;
    transition: border-color 0.2s;
    backdrop-filter: none;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary-green);
    opacity: 0.4;
}

.tech-card:hover {
    border-color: var(--primary-green);
}

.tech-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    display: block;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 10px currentColor);
}

.tech-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
}

.tech-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
    position: relative;
    z-index: 2;
}

/* Enhanced sections */
.section {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 32px;
    margin-bottom: 32px;
    backdrop-filter: none;
}

.section-title {
    font-family: 'Orbitron', 'Orbitron Fallback', 'Impact', sans-serif;
    font-size: 1.6rem;
    color: var(--primary-green);
    margin-bottom: 24px;
    text-shadow: none;
    text-align: center;
}

.section-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Message cards */
.messages-container {
    display: grid;
    gap: 16px;
}

.message-card {
    background: rgba(0, 255, 65, 0.03);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 0;
    padding: 16px;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.message-author {
    color: var(--primary-green);
    font-weight: 600;
}

.message-time {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-family: 'JetBrains Mono', 'JetBrains Mono Fallback', 'Courier New', monospace;
}

.message-content {
    color: var(--text-primary);
    line-height: 1.5;
}

.section-actions {
    text-align: center;
    margin-top: 24px;
}

.button {
    color: var(--primary-green);
    text-decoration: none;
    padding: 10px 24px;
    border: 1px solid var(--border-glow);
    border-radius: 0;
    background: var(--glass-effect);
    transition: border-color 0.2s, background 0.2s;
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.button:hover {
    background: rgba(0, 255, 65, 0.08);
    border-color: var(--primary-green);
}

/* Footer */
.footer {
    margin-top: 4rem;
    padding: 2rem 0;
    border-top: 1px solid var(--border-glow);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    background: rgb(0, 6, 2);
    backdrop-filter: none;
    border-radius: 0;
    box-shadow: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-info {
    margin-bottom: 1rem;
}

.footer-links a {
    color: var(--primary-green);
    text-decoration: none;
    margin: 0 8px;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* Notifications */
.notifications-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.notification {
    background: var(--bg-card);
    border: 1px solid var(--border-glow);
    border-radius: 0;
    padding: 16px 24px;
    margin-bottom: 12px;
    animation: slide-in 0.3s ease;
}

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

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

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

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

/* Loading state */
body.loading::after {
    content: 'Loading...';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    font-size: 1.5rem;
    color: var(--primary-green);
    font-family: 'Orbitron', 'Orbitron Fallback', 'Impact', sans-serif;
    text-shadow: none;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .flow-diagram {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 16px;
    }
    
    .nav-container {
        text-align: center;
    }
    
    .header h1 {
        font-size: 2.5rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .flow-diagram {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .flow-step::after {
        content: '↓';
        bottom: -15px;
        left: 50%;
        top: auto;
        right: auto;
        transform: translateX(-50%);
    }

    .topology-container {
        height: 450px;
    }
    
    .topology-controls {
        position: static;
        margin-bottom: 16px;
        max-width: 100%;
    }
    
    .node-info {
        position: static;
        margin-top: 16px;
        max-width: 100%;
    }
    
    .topology-legend, .topology-stats {
        display: none;
    }
    
    .stats-container {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.success {
    color: var(--primary-green);
}

.error {
    color: var(--error-red);
}

.warning {
    color: var(--warning-orange);
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Additional CSS for NetworkTopology3D controls - fixes for button states and visibility */

/* Control Panel Improvements */
.topology-controls:not(.dashboard-controls) {
    position: absolute;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid #00ff41;
    border-radius: 0;
    padding: 16px;
    min-width: 200px;
    z-index: 10;
    backdrop-filter: none;
}

.control-group {
    margin-bottom: 20px;
}

.control-group:last-child {
    margin-bottom: 0;
}

.control-label {
    color: #00ff41;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 10px;
    display: block;
}

/* Button Styling - Fixed Active States */
.control-button {
    background: rgba(0, 40, 0, 0.6);
    border: 1px solid #004400;
    color: #00aa00;
    padding: 8px 16px;
    margin: 4px 4px 4px 0;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    transition: all 0.2s ease;
    display: inline-block;
}

.control-button:hover {
    background: rgba(0, 80, 0, 0.8);
    border-color: #00aa00;
    color: #00ff41;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 255, 65, 0.3);
}

/* FIXED: Active button state - green background, black text */
.control-button.active {
    background: #00ff41;
    border-color: #00ff41;
    color: #000000;
    font-weight: 600;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.5);
}

.control-button.active:hover {
    background: #00dd35;
    border-color: #00dd35;
    color: #000000;
}

/* Zoom Control */
.zoom-slider {
    width: 100%;
    height: 6px;
    background: rgba(0, 40, 0, 0.6);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    margin: 10px 0;
}

.zoom-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #00ff41;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.zoom-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: #00ff41;
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}

.zoom-slider:hover::-webkit-slider-thumb {
    background: #00dd35;
    transform: scale(1.1);
}

.zoom-value {
    color: #00ff41;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
}

/* Node Info Panel - Improved */
.node-info {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid #00ff41;
    border-radius: 0;
    padding: 20px;
    min-width: 280px;
    max-width: 350px;
    z-index: 10;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.3s ease;
    pointer-events: none;
    backdrop-filter: none;
}

.node-info.visible {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.node-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #00ff41;
}

#nodeTitle {
    color: #00ff41;
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    font-family: 'JetBrains Mono', monospace;
}

.close-btn {
    background: none;
    border: none;
    color: #00ff41;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.close-btn:hover {
    background: rgba(0, 255, 65, 0.2);
    transform: rotate(90deg);
}

#nodeDetails {
    color: #00ff41;
}

.node-detail {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.node-detail:last-child {
    border-bottom: none;
}

.detail-label {
    color: #00aa00;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-value {
    color: #00ff41;
    font-size: 14px;
    font-weight: 500;
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
}

/* Components Legend */
.components-legend {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid #00ff41;
    border-radius: 0;
    padding: 16px;
    z-index: 10;
    backdrop-filter: none;
}

.components-legend .section-title {
    color: #00ff41;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 8px 0;
    color: #00ff41;
    font-size: 13px;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    margin-right: 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Stats Display */
.topology-stats {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.85);
    border: 1px solid #00ff41;
    border-radius: 0;
    padding: 12px 20px;
    z-index: 10;
    color: #00ff41;
    font-family: 'JetBrains Mono', monospace;
    backdrop-filter: none;
}

.topology-stats span {
    margin: 0 12px;
    font-size: 14px;
}

.topology-stats strong {
    color: #00ff41;
    font-weight: 700;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .topology-controls,
    .node-info,
    .components-legend {
        max-width: 250px;
        padding: 12px;
    }

    .control-button {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .topology-controls {
        position: static;
        max-width: 100%;
        margin-bottom: 12px;
        min-width: unset;
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px;
    }

    .topology-controls .control-group {
        margin-bottom: 0;
    }

    .topology-controls .control-label {
        font-size: 10px;
        margin-bottom: 4px;
    }

    .topology-controls .control-button {
        padding: 5px 10px;
        font-size: 11px;
        margin: 2px 2px 2px 0;
    }

    .topology-controls .zoom-slider {
        max-width: 120px;
    }
}

/* Loading State */
.topology-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #00ff41;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    z-index: 100;
}

.topology-loading::after {
    content: '';
    animation: dots 1.5s infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ============================================
   Navigation Dropdown Styles
   ============================================ */

/* Dropdown Container */

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--primary-green);
    transition: all 0.3s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        gap: 4px;
    }

    .nav-menu.open {
        display: flex;
    }

    .status-indicators {
        display: none;
    }
}

/* Brand Icon */
.brand-icon {
    font-size: 1.2rem;
    margin-right: 0.25rem;
}