:root {
    --lab-primary: #00ff66;
    --lab-dark: #010a04;
    --lab-accent: #ff3366;
    --lab-warn: #ffaa00;
    --lab-border: rgba(0, 255, 102, 0.35);
    --lab-panel: rgba(0, 255, 102, 0.04);
    --lab-text: #a3ffc2;
    --lab-white: #ffffff;
}

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

body.lab-demo {
    font-family: 'Share Tech Mono', 'Consolas', monospace;
    background: var(--lab-dark);
    color: var(--lab-primary);
    min-height: 100vh;
}

.lab-warning {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100010;
    background: #1a0000;
    color: var(--lab-accent);
    padding: 10px 16px;
    font-size: 0.72rem;
    text-align: center;
    border-bottom: 2px solid var(--lab-accent);
    letter-spacing: 0.5px;
    line-height: 1.4;
}

.lab-nav {
    position: fixed;
    top: 42px; left: 0; right: 0;
    z-index: 100009;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--lab-border);
    flex-wrap: wrap;
    gap: 8px;
}

.lab-nav a {
    color: var(--lab-primary);
    text-decoration: none;
    font-size: 0.72rem;
    letter-spacing: 1px;
    padding: 5px 12px;
    border: 1px solid var(--lab-border);
    transition: all 0.2s;
}

.lab-nav a:hover {
    background: var(--lab-primary);
    color: var(--lab-dark);
}

.lab-nav .demo-id {
    color: var(--lab-warn);
    font-size: 0.68rem;
    letter-spacing: 2px;
}

.lab-body {
    padding: 100px 20px 120px;
    max-width: 960px;
    margin: 0 auto;
}

.lab-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    color: var(--lab-white);
    letter-spacing: 3px;
    margin-bottom: 8px;
    text-shadow: 0 0 20px var(--lab-primary);
}

.lab-tag {
    display: inline-block;
    font-size: 0.65rem;
    padding: 4px 10px;
    border: 1px solid var(--lab-accent);
    color: var(--lab-accent);
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.lab-desc {
    color: var(--lab-text);
    font-size: 0.82rem;
    line-height: 1.7;
    margin-bottom: 28px;
    padding: 16px;
    border-left: 3px solid var(--lab-primary);
    background: var(--lab-panel);
}

.lab-stage {
    border: 2px solid var(--lab-border);
    background: #000;
    min-height: 320px;
    position: relative;
    overflow: hidden;
    margin-bottom: 24px;
    box-shadow: 0 0 30px rgba(0, 255, 102, 0.08);
}

.lab-stage-label {
    position: absolute;
    top: 8px; left: 8px;
    font-size: 0.65rem;
    color: var(--lab-warn);
    z-index: 5;
    letter-spacing: 1px;
}

.lab-log {
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--lab-border);
    padding: 16px;
    font-size: 0.78rem;
    color: var(--lab-text);
    min-height: 80px;
    line-height: 1.6;
    white-space: pre-wrap;
}

.lab-log .hit { color: var(--lab-accent); }
.lab-log .ok { color: var(--lab-primary); }

.lab-info {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 100008;
    background: rgba(0, 0, 0, 0.94);
    border-top: 1px solid var(--lab-border);
    padding: 12px 20px;
    font-size: 0.7rem;
    color: var(--lab-text);
    line-height: 1.6;
}

.lab-info strong { color: var(--lab-primary); }

.lab-btn {
    font-family: inherit;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--lab-primary);
    color: var(--lab-primary);
    cursor: pointer;
    font-size: 0.8rem;
    letter-spacing: 1px;
    margin: 4px 4px 4px 0;
    transition: all 0.2s;
}

.lab-btn:hover {
    background: var(--lab-primary);
    color: var(--lab-dark);
    box-shadow: 0 0 15px var(--lab-primary);
}

.lab-btn.danger { border-color: var(--lab-accent); color: var(--lab-accent); }
.lab-btn.danger:hover { background: var(--lab-accent); color: #fff; }

.lab-input {
    font-family: inherit;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--lab-border);
    color: var(--lab-primary);
    font-size: 0.85rem;
    width: 100%;
    max-width: 400px;
    margin: 8px 0;
}

.lab-input:focus { outline: none; border-color: var(--lab-primary); }

@media (max-width: 600px) {
    .lab-body { padding-top: 120px; }
    .lab-title { font-size: 1.1rem; }
}