:root {
    --bg: #0f172a;
    --panel: rgba(30, 41, 59, 0.7);
    --accent: #8b5cf6;
    --accent-glow: rgba(139, 92, 246, 0.3);
    --text: #f8fafc;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.06);
    --node-bg: #1e293b;
}

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

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

.studio-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: radial-gradient(circle at 50% 10%, #1e1b4b 0%, var(--bg) 80%);
}

/* Header */
.studio-header {
    height: 70px;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 
        1px solid var(--border);
    z-index: 100;
}

.brand { display: flex; align-items: center; gap: 1rem; }
.logo-box svg { width: 32px; height: 32px; fill: none; stroke: var(--accent); stroke-width: 2; }
.brand h1 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.5px; }

.header-actions { display: flex; align-items: center; gap: 2rem; }
.sync-status { font-family: 'IBM Plex Mono', monospace; font-size: 0.65rem; color: var(--accent); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.dot.pulse { width: 8px; height: 8px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 10px var(--accent-glow); animation: pulse 2s infinite; }

@keyframes pulse { 0% { opacity: 1; } 50% { opacity: 0.4; } 100% { opacity: 1; } }

.deploy-btn { 
    background: var(--accent); 
    color: white; 
    border: none; 
    padding: 0.6rem 1.2rem; 
    border-radius: 8px; 
    font-weight: 700; 
    font-size: 0.8rem; 
    cursor: pointer;
    transition: all 0.2s;
}
.deploy-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 15px var(--accent-glow); }

/* Workspace */
.workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Connector Panel */
.connector-panel {
    width: 280px;
    background: rgba(15, 23, 42, 0.5);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.panel-header { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--text-dim); margin-bottom: 1.5rem; letter-spacing: 1px; }

.connector-list { display: flex; flex-direction: column; gap: 0.75rem; flex: 1; }
.connector-item {
    background: var(--node-bg);
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: grab;
    transition: all 0.2s;
}
.connector-item:hover { border-color: var(--accent); background: rgba(139, 92, 246, 0.05); }

.icon { 
    width: 28px; height: 28px; 
    border-radius: 6px; 
    display: flex; align-items: center; justify-content: center; 
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
}
.icon img {
    width: 85%;
    height: 85%;
    object-fit: contain;
}

.guide-text { font-size: 0.7rem; color: var(--text-dim); line-height: 1.5; margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 1rem; }

/* Canvas Stage */
.canvas-stage {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.stage-overlay {
    position: absolute;
    top: 1.5rem; left: 1.5rem; right: 1.5rem;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
}
.coord-info { font-family: 'IBM Plex Mono', monospace; font-size: 0.65rem; color: var(--text-dim); background: rgba(0,0,0,0.3); padding: 0.4rem 0.8rem; border-radius: 4px; }
.zoom-controls { pointer-events: auto; background: rgba(0,0,0,0.3); border-radius: 6px; display: flex; border: 1px solid var(--border); }
.zoom-controls button { background: transparent; border: none; color: #fff; padding: 0.5rem 0.8rem; cursor: pointer; }
.zoom-controls span { align-self: center; font-size: 0.7rem; padding: 0 0.5rem; color: var(--text-dim); border-left: 1px solid var(--border); border-right: 1px solid var(--border); }

.canvas-wrapper { width: 100%; height: 100%; position: relative; cursor: crosshair; }
#linkCanvas { position: absolute; inset: 0; pointer-events: none; }
.nodes-container { position: absolute; inset: 0; pointer-events: none; }

/* Node UI */
.node {
    position: absolute;
    width: 200px;
    background: var(--node-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
    pointer-events: auto;
    cursor: move;
    z-index: 5;
}
.node:hover { border-color: rgba(255,255,255,0.2); }
.node.active { border-color: var(--accent); box-shadow: 0 0 20px var(--accent-glow); }

.node-header { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 0.75rem; font-size: 0.8rem; font-weight: 700; }
.node-body { padding: 1rem; font-size: 0.7rem; color: var(--text-dim); }

.node-ports { position: absolute; inset: 0; pointer-events: none; }
.port { 
    position: absolute; 
    width: 10px; height: 10px; 
    background: var(--bg); 
    border: 2px solid var(--accent); 
    border-radius: 50%; 
    pointer-events: auto;
    cursor: crosshair;
}
.port.input { left: -6px; top: 50%; transform: translateY(-50%); }
.port.output { right: -6px; top: 50%; transform: translateY(-50%); }

/* Activity Bar */
.activity-bar {
    height: 60px;
    background: #000;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    gap: 2rem;
}

.log-label { font-family: 'IBM Plex Mono', monospace; font-size: 0.65rem; color: var(--accent); font-weight: 700; white-space: nowrap; }
.log-entries { flex: 1; overflow: hidden; display: flex; }
.log-item { font-family: 'IBM Plex Mono', monospace; font-size: 0.7rem; color: var(--text-dim); white-space: nowrap; }
.log-item.system { color: #fff; }
.log-item.sync { color: var(--accent); font-weight: 600; }