:root {
    --bg-color: #050a0f;
    --font-head: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, #0a1420 0%, #020508 100%);
    transition: background 1s ease;
}

/* Themes */
body.cyber-pulse {
    --bg-color: #120510;
}

body.frozen-void {
    --bg-color: #050f15;
}

body.deep-ocean {
    --bg-color: #050a0f;
}

#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
}

/* Tweakpane Overrides */
.tp-dfwv {
    z-index: 100 !important;
    width: 320px !important;
    font-family: var(--font-body) !important;
}

/* Custom UI Hints */
.ui-hint {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 10;
    color: rgba(255, 255, 255, 0.4);
    font-family: 'Outfit', sans-serif;
    font-size: 11px;
    pointer-events: none;
    line-height: 1.6;
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 8px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.05);
}