:root {
    --bg-dark: #020205;
    --text-main: #e2e8f0;
    --text-muted: #64748b;
    --accent: #38bdf8;
    --cyan: #00f0ff;
    --magenta: #ff00ff;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --panel-bg: rgba(10, 15, 25, 0.65);
    --panel-border: rgba(255, 255, 255, 0.1);
    
    --font-ui: 'Jura', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; user-select: none; }
body { background-color: var(--bg-dark); color: var(--text-main); overflow: hidden; font-family: var(--font-ui); font-size: 13px; }

/* UTILS */
.text-cyan { color: var(--cyan) !important; text-shadow: 0 0 5px var(--cyan); }
.text-magenta { color: var(--magenta) !important; text-shadow: 0 0 5px var(--magenta); }
.mt-2 { margin-top: 10px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gap-1 { gap: 5px; }

/* LOADER */
#loading {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: var(--bg-dark); z-index: 1000;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
}
#loading h2 { font-weight: 700; letter-spacing: 5px; color: var(--cyan); text-shadow: 0 0 10px var(--cyan); margin-bottom: 10px; }
#loading p { color: var(--text-muted); font-family: var(--font-mono); margin-bottom: 20px; }
.progress-bar { width: 300px; height: 2px; background: rgba(255,255,255,0.1); }
#loadProgress { height: 100%; width: 0%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); transition: width 0.2s; }

/* CANVAS */
#canvas-container { position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1; cursor: crosshair; }

/* HUD PANELS */
#ui-container { position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 10; transition: opacity 0.3s; }
#ui-container.hidden { opacity: 0; }

.hud-panel {
    position: absolute; background: var(--panel-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--panel-border); pointer-events: auto; box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

/* TOP BAR */
.top-bar {
    top: 0; left: 0; width: 100%; padding: 8px 20px; border-top: none; border-left: none; border-right: none;
    display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--cyan);
}
.brand { font-weight: 700; font-size: 1.1rem; letter-spacing: 2px; }
.brand span { color: var(--cyan); font-weight: 300; font-family: var(--font-mono); font-size: 0.8rem; }
.telemetry { display: flex; gap: 20px; }
.t-item { display: flex; flex-direction: column; align-items: center; }
.t-item span { font-size: 0.65rem; color: var(--text-muted); }
.t-item strong { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-main); }

/* SIDE PANELS */
.scrollable { overflow-y: auto; overflow-x: hidden; }
.scrollable::-webkit-scrollbar { width: 4px; }
.scrollable::-webkit-scrollbar-thumb { background: var(--panel-border); }

.left-panel, .right-panel { top: 50px; bottom: 20px; width: 320px; border-radius: 8px; padding: 15px; }
.left-panel { left: 15px; border-left: 2px solid var(--accent); }
.right-panel { right: 15px; border-right: 2px solid var(--magenta); }

.panel-section { margin-bottom: 20px; padding: 10px; background: rgba(0,0,0,0.3); border-radius: 6px; border: 1px solid transparent; }
.panel-section h3 { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); border-bottom: 1px solid var(--panel-border); padding-bottom: 5px; margin-bottom: 10px; }
.border-magenta { border-color: rgba(255,0,255,0.2); }
.border-cyan { border-color: rgba(0,240,255,0.2); }

/* CONTROLS */
.control-row { margin-bottom: 8px; }
.control-row label { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; font-family: var(--font-mono); }
.control-row label span { color: var(--text-main); font-weight: 500; }

input[type="range"] { width: 100%; -webkit-appearance: none; appearance: none; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { width: 100%; height: 2px; background: rgba(255,255,255,0.2); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; height: 10px; width: 10px; background: var(--accent); border-radius: 50%; margin-top: -4px; }
input[type="range"].slider-magenta::-webkit-slider-thumb { background: var(--magenta); box-shadow: 0 0 5px var(--magenta); }
input[type="range"].slider-cyan::-webkit-slider-thumb { background: var(--cyan); box-shadow: 0 0 5px var(--cyan); }

.ui-select { width: 100%; background: rgba(0,0,0,0.5); border: 1px solid var(--panel-border); color: var(--text-main); padding: 5px; font-family: var(--font-mono); font-size: 0.75rem; outline: none; }

/* TOGGLES */
.toggle { display: flex; align-items: center; cursor: pointer; font-size: 0.7rem; font-family: var(--font-mono); color: var(--text-main); margin-bottom: 6px; }
.toggle input { display: none; }
.slider { position: relative; width: 24px; height: 12px; background: rgba(255,255,255,0.1); border-radius: 12px; margin-right: 8px; transition: 0.2s; }
.slider::before { content: ''; position: absolute; height: 8px; width: 8px; left: 2px; bottom: 2px; background: #aaa; border-radius: 50%; transition: 0.2s; }
.toggle input:checked + .slider { background: var(--accent); }
.toggle input:checked + .slider::before { transform: translateX(12px); background: #fff; }
.toggle input:checked + .slider.magenta { background: var(--magenta); box-shadow: 0 0 5px var(--magenta); }
.toggle input:checked + .slider.cyan { background: var(--cyan); box-shadow: 0 0 5px var(--cyan); }

/* BUTTONS */
.btn { width: 100%; padding: 6px; border-radius: 4px; border: none; font-weight: 700; font-size: 0.7rem; font-family: var(--font-mono); cursor: pointer; transition: 0.2s; pointer-events: auto; }
.btn-group { display: flex; gap: 5px; margin-top: 5px; }
.btn.primary { background: var(--accent); color: #000; }
.btn.primary:hover { background: #fff; box-shadow: 0 0 10px var(--accent); }
.btn.warning { background: var(--warning); color: #000; }
.btn.danger { background: var(--danger); color: #fff; }
.btn.quantum { background: var(--magenta); color: #000; }
.btn.quantum.outline { background: transparent; border: 1px solid var(--magenta); color: var(--magenta); }
.btn.quantum.outline:hover { background: rgba(255,0,255,0.2); }
.btn.secondary { background: rgba(255,255,255,0.1); color: var(--text-main); }
.btn.secondary:hover { background: rgba(255,255,255,0.2); }
.btn.secondary.outline { background: transparent; border: 1px dashed var(--text-muted); }
.icon-btn { background: transparent; border: 1px solid var(--panel-border); color: var(--text-main); padding: 4px 10px; cursor: pointer; font-family: var(--font-mono); font-size: 0.7rem; }

/* BOTTOM PANEL (INSPECTOR) */
.bottom-panel { bottom: 20px; left: 50%; transform: translateX(-50%); width: 700px; padding: 15px; border-radius: 8px; border-bottom: 2px solid var(--cyan); }
.bottom-panel.hidden { display: none; }
.inspector-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 15px; }
.insp-info h3 { font-size: 1.1rem; color: var(--cyan); margin-bottom: 5px; border-bottom: 1px solid var(--panel-border); padding-bottom: 2px; }
.insp-data div, .v-row { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-muted); margin-bottom: 3px; }
.insp-data strong, .v-row span { color: var(--text-main); }
.insp-actions { position: relative; display: flex; flex-direction: column; justify-content: flex-end; }
.close-btn { position: absolute; top: -10px; right: -10px; border: none; font-size: 1rem; }

/* LABELS */
#labels-container { position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; pointer-events: none; z-index: 5; }
.body-label { position: absolute; transform: translate(-50%, -50%); font-family: var(--font-mono); font-size: 10px; color: rgba(0,240,255,0.8); background: rgba(0,0,0,0.5); padding: 2px 4px; border: 1px solid rgba(0,240,255,0.3); transition: opacity 0.1s; }
.body-label.hidden { opacity: 0; }