.skyline-viz-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0a0e14;
    z-index: 9999;
    display: none;
}

.skyline-viz-modal.active {
    display: block;
}

#skyline-3d-canvas {
    width: 100%;
    height: 100%;
}

.celestial-hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

.hud-header {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: auto;
}

.hud-title-group {
    display: flex;
    align-items: center;
    gap: 15px;
}

.hud-icon {
    font-size: 2rem;
    color: #4ECDC4;
    animation: spin 20s linear infinite;
}

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

.hud-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 2px;
}

.hud-subtitle {
    margin: 5px 0 0 0;
    font-size: 0.9rem;
    color: #c0c0c0;
    font-family: 'JetBrains Mono', monospace;
}

.hud-btn-small {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.3s ease;
}

.hud-btn-small:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

.hud-controls-container {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    pointer-events: auto;
}

.hud-btn {
    background: rgba(30, 30, 40, 0.8);
    border: 1px solid rgba(100, 100, 120, 0.3);
    color: white;
    padding: 15px 25px;
    border-radius: 25px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
    min-width: 180px;
}

.hud-btn:hover {
    background: rgba(40, 40, 50, 0.9);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hud-btn.warning {
    border-color: rgba(255, 165, 0, 0.4);
    background: rgba(255, 165, 0, 0.1);
}

.hud-btn.critical {
    border-color: rgba(255, 77, 77, 0.4);
    background: rgba(255, 77, 77, 0.1);
}

.btn-idx {
    font-size: 0.7rem;
    opacity: 0.6;
}

.viz-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
}

.skyline-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(78, 205, 196, 0.3);
    border-top-color: #4ECDC4;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.mono-text {
    font-family: 'JetBrains Mono', monospace;
    color: #c0c0c0;
    font-size: 0.9rem;
}

/* Enhanced Skyline Modal */
.skyline-viz-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0a0e14;
    z-index: 9999;
    display: none;
    overflow: hidden;
}

.skyline-viz-modal.active {
    display: block;
}

.skyline-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0e14 0%, #151b26 100%);
    z-index: 1;
}

#skyline-3d-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* Enhanced HUD */
.celestial-hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hud-header {
    background: linear-gradient(to bottom, rgba(10, 14, 20, 0.95), transparent);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(78, 205, 196, 0.2);
    padding: 20px 40px;
    pointer-events: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hud-title-group {
    display: flex;
    align-items: center;
    gap: 20px;
}

.hud-icon {
    font-size: 2.5rem;
    color: #4ECDC4;
    animation: spin 20s linear infinite;
}

.hud-title {
    margin: 0;
    font-size: 1.8rem;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: 3px;
    text-transform: uppercase;
    background: linear-gradient(135deg, #4ECDC4 0%, #45B7D1 50%, #9B5DE5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hud-subtitle {
    margin: 5px 0 0 0;
    font-size: 0.9rem;
    color: #c0c0c0;
    font-family: 'JetBrains Mono', monospace;
    letter-spacing: 1px;
}

.hud-status {
    display: flex;
    align-items: center;
    gap: 30px;
}

.status-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.status-label {
    font-size: 0.7rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.status-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: #4ECDC4;
    font-family: 'JetBrains Mono', monospace;
}

.hud-btn-small {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hud-btn-small:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(78, 205, 196, 0.3);
}

.hud-footer {
    background: linear-gradient(to top, rgba(10, 14, 20, 0.95), transparent);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(78, 205, 196, 0.2);
    padding: 20px 40px;
    pointer-events: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hud-hotkeys {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.hotkey {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: #ccc;
    font-family: 'JetBrains Mono', monospace;
}

.hotkey kbd {
    background: rgba(78, 205, 196, 0.2);
    color: #4ECDC4;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: inherit;
    border: 1px solid rgba(78, 205, 196, 0.3);
}

.hud-legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: #ccc;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    display: inline-block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Enhanced Loading Screen */
.viz-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
    z-index: 4;
}

.quantum-loader {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: relative;
    animation: spin 1s linear infinite;
    margin: 0 auto 30px;
}

.quantum-loader::before,
.quantum-loader::after {
    content: '';
    position: absolute;
    border-radius: 50%;
}

.quantum-loader::before {
    width: 100%;
    height: 100%;
    background: linear-gradient(0deg, rgba(78, 205, 196, 0.1) 30%, transparent);
    animation: spin 2s linear infinite;
}

.quantum-loader::after {
    width: 85%;
    height: 85%;
    background: #0a0e14;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.mono-text {
    font-family: 'JetBrains Mono', monospace;
    color: #c0c0c0;
    font-size: 0.9rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
    max-width: 600px;
    line-height: 1.5;
}

.loading-progress {
    width: 400px;
    margin: 0 auto;
}

.progress-bar {
    height: 4px;
    background: linear-gradient(90deg, #4ECDC4, #45B7D1, #9B5DE5);
    border-radius: 2px;
    animation: progressPulse 2s ease-in-out infinite;
    transform-origin: left;
}

.progress-text {
    font-size: 0.8rem;
    color: #999;
    margin-top: 8px;
    font-family: 'JetBrains Mono', monospace;
}

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

@keyframes progressPulse {
    0%, 100% { transform: scaleX(0.3); opacity: 0.5; }
    50% { transform: scaleX(0.7); opacity: 1; }
}

/* Enhanced Tooltip */
.tract-tooltip {
    position: fixed;
    background: rgba(10, 15, 25, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(78, 205, 196, 0.3);
    border-radius: 12px;
    padding: 20px;
    color: white;
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    z-index: 10000;
    pointer-events: none;
    display: none;
    max-width: 350px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    line-height: 1.5;
}

.tooltip-header {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(78, 205, 196, 0.2);
}

.tooltip-header strong {
    color: #4ECDC4;
    font-size: 1.1rem;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    margin: 8px 0;
    padding: 4px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* Responsive adjustments */
@media (max-width: 1200px) {
    .hud-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .hud-status {
        gap: 15px;
    }
    
    .hud-footer {
        flex-direction: column;
        gap: 15px;
    }
    
    .hud-hotkeys, .hud-legend {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hud-header {
        padding: 15px;
    }
    
    .hud-title {
        font-size: 1.3rem;
    }
    
    .hud-subtitle {
        font-size: 0.8rem;
    }
    
    .hud-footer {
        padding: 15px;
    }
    
    .loading-progress {
        width: 300px;
    }
    
    .mono-text {
        font-size: 0.8rem;
        max-width: 300px;
    }
}

/* Advanced tooltip styling */
.neural-tooltip {
    position: absolute;
    background: rgba(10, 20, 30, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 12px;
    padding: 20px;
    width: 380px;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    display: none;
}

/* Analytics dashboard */
.analytics-panel {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(10, 20, 30, 0.9);
    border-radius: 12px;
    padding: 20px;
    width: 400px;
    z-index: 999;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(10, 20, 30, 0.95);
    padding: 12px 24px;
    border-radius: 8px;
    z-index: 1001;
    display: flex;
    align-items: center;
    gap: 10px;
}