:root {
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --secondary-500: #8b5cf6;
    --secondary-600: #7c3aed;
    --bg-dark: #111827;
    --bg-darker: #0d1320;
    --bg-panel: #1e293b;
    --border-dark: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

/* Layout and Containers */
html, body {
    height: 100%;
    margin: 0;
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: auto;
    padding: 1.5rem;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #1f2937;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #4b5563;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #6b7280;
}

/* Syntax highlighting */
.token.keyword {
    color: #818cf8;
}

.token.function {
    color: #fbbf24;
}

.token.comment {
    color: #4ade80;
}

.token.string {
    color: #f472b6;
}

.token.number {
    color: #60a5fa;
}
/* Navigation Bars */
custom-navbar {
    display: block;
    position: sticky;
    top: 0;
    z-index: 50;
}

custom-sidebar {
    display: block;
    position: sticky;
    top: 0;
    height: 100vh;
    width: 240px;
    flex-shrink: 0;
    overflow-y: auto;
}

/* Panels */
.panel {
    background: var(--bg-panel);
    border-radius: 0.75rem;
    border: 1px solid var(--border-dark);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-dark);
}

/* Metrics Cards */
.metric-card {
    background: var(--bg-darker);
    border-radius: 0.5rem;
    padding: 1rem;
    height: 100%;
}

.metric-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Control Buttons */
.control-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.2s;
}

.control-button-primary {
    background: var(--primary-500);
    color: white;
}

.control-button-primary:hover {
    background: var(--primary-600);
}

.control-button-secondary {
    background: var(--bg-darker);
    color: var(--text-primary);
    border: 1px solid var(--border-dark);
}

.control-button-secondary:hover {
    background: var(--bg-panel);
}

/* Animation for active threads */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}
.thread-active {
    animation: pulse 1.5s infinite;
}

/* Breakpoints */
@media (max-width: 1024px) {
    .main-container {
        flex-direction: column;
    }
    
    custom-sidebar {
        width: 100%;
        height: auto;
        position: static;
    }
    
    .content-area {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .metric-grid {
        grid-template-columns: 1fr !important;
    }
    
    .panel-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Debug controls */
.debug-controls {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-darker);
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border-dark);
}

.step-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.step-value {
    font-family: monospace;
    color: var(--text-primary);
    font-weight: 600;
}
/* PTX syntax highlighting */
.ptx-version {
    color: #4ade80;
}
.ptx-target {
    color: #4ade80;
}
.ptx-directive {
    color: #818cf8;
}
.ptx-register {
    color: #fbbf24;
}
.ptx-label {
    color: #f472b6;
}
.ptx-instruction {
    color: #60a5fa;
}