:root {
    --bg: #030712;
    --sidebar: rgba(17, 24, 39, 0.7);
    --accent: #22d3ee;
    --accent-glow: rgba(34, 211, 238, 0.4);
    --text: #f9fafb;
    --text-dim: #9ca3af;
    --border: rgba(255, 255, 255, 0.08);
    --glass: rgba(255, 255, 255, 0.03);
    --panel: #0f172a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    overflow: hidden;
}

/* Atmospheric Depth */
.forge-container {
    display: flex;
    height: 100vh;
    position: relative;
    background: radial-gradient(circle at 50% 50%, #111827 0%, #030712 100%);
}

.forge-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--border) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.3;
    pointer-events: none;
}

/* Sidebar: Premium Glassmorphism */
.sidebar {
    width: 340px;
    background: var(--sidebar);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 2.5rem;
    z-index: 10;
}

.sidebar-header {
    margin-bottom: 3.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.indicator {
    width: 12px;
    height: 12px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 15px var(--accent-glow);
    animation: pulse-glow 2s infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 1; box-shadow: 0 0 15px var(--accent-glow); }
    50% { opacity: 0.6; box-shadow: 0 0 5px var(--accent-glow); }
}

.brand h1 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, var(--text-dim));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 0.25rem;
}

.section-title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.layer-stack {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.layer-card {
    background: var(--glass);
    border: 1px solid var(--border);
    padding: 1.25rem;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.layer-card:hover {
    border-color: var(--accent);
    background: rgba(34, 211, 238, 0.05);
}

.layer-tag {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    color: var(--text);
    font-weight: 600;
}

.neuron-control {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.neuron-control span { 
    font-family: 'IBM Plex Mono', monospace; 
    font-size: 1rem; 
    font-weight: 600;
    min-width: 1.5rem;
    text-align: center;
}

.action-btn {
    padding: 0.85rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
}

.action-btn.outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.action-btn.outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
}

.action-btn.solid {
    background: var(--accent);
    color: var(--bg);
    border: none;
    box-shadow: 0 4px 15px rgba(34, 211, 238, 0.3);
}

.action-btn.solid:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 211, 238, 0.4);
}

.analytics-section {
    margin-top: 2rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.metric {
    margin-bottom: 1.25rem;
}

.metric:last-child { margin-bottom: 0; }

.metric .label { font-size: 0.7rem; color: var(--text-dim); margin-bottom: 0.25rem; display: block; }
.metric .value { font-family: 'IBM Plex Mono', monospace; font-size: 1.1rem; }
.metric .value.primary { color: var(--accent); font-weight: 700; text-shadow: 0 0 10px var(--accent-glow); }

.sidebar-footer { margin-top: auto; padding-top: 2rem; }

/* Viewport */
.viewport {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 5;
}

.viewport-header {
    height: 60px;
    background: rgba(3, 7, 18, 0.4);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2.5rem;
}

.breadcrumb { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--text-dim); opacity: 0.6; }
.status-badge { 
    font-size: 0.65rem; 
    font-weight: 700;
    border: 1px solid var(--accent); 
    color: var(--accent); 
    padding: 0.3rem 0.75rem; 
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 0 10px var(--accent-glow);
}

.canvas-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

#forgeCanvas {
    max-width: 95%;
    max-height: 95%;
}

.viewport-footer {
    height: 50px;
    background: rgba(3, 7, 18, 0.6);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 2.5rem;
}

.info-bar { display: flex; gap: 3rem; font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--text-dim); }