:root {
    --neon-purple: #bc13fe;
    --sunset-orange: #ff4d00;
    --glass: rgba(255, 255, 255, 0.07);
    --text: #fff;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: #090A0F;
    color: var(--text);
    margin: 0; padding: 20px;
    min-height: 100vh; overflow-x: hidden;
}

/* Background Animation */
body::before {
    content: ""; position: fixed; top: 0; left: 0; width: 200%; height: 200%;
    background-image: radial-gradient(var(--neon-purple), transparent 1px);
    background-size: 50px 50px; animation: drift 100s linear infinite;
    opacity: 0.3; z-index: -1;
}

.neon-text {
    text-align: center; color: var(--neon-purple);
    text-shadow: 0 0 10px var(--neon-purple);
    font-size: 2.5rem;
}

/* Tab Logic */
.tab-container {
    max-width: 900px; margin: 0 auto;
    background: var(--glass); backdrop-filter: blur(10px);
    border-radius: 20px; border: 1px solid rgba(255,255,255,0.1);
    overflow: hidden;
}

.tab-nav { display: flex; background: rgba(0,0,0,0.3); }
.tab-btn {
    flex: 1; padding: 15px; border: none; background: none;
    color: #888; font-weight: bold; cursor: pointer; transition: 0.3s;
}
.tab-btn.active { color: var(--neon-purple); border-bottom: 3px solid var(--neon-purple); background: rgba(255,255,255,0.05); }

.tab-content { display: none; padding: 20px; }
.tab-content.active { display: block; }

/* Components */
.grid-layout { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }

button {
    background: var(--neon-purple); color: white; border: none;
    padding: 10px; border-radius: 8px; cursor: pointer; font-weight: 600;
}
button:hover { filter: brightness(1.2); transform: scale(1.02); }

.orange-btn { background: var(--sunset-orange); }

input {
    background: rgba(255,255,255,0.1); border: 1px solid var(--neon-purple);
    color: white; padding: 8px; border-radius: 5px; margin: 5px 0;
}

.demo-box { margin-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 10px; }
.preview-img { width: 100px; border-radius: 10px; margin: 10px 0; display: block; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 15px 0; }
.glass-inner { background: rgba(0,0,0,0.2); padding: 10px; border-radius: 10px; }

.neon-btn-large { width: 100%; background: linear-gradient(to right, var(--neon-purple), var(--sunset-orange)); padding: 15px; font-size: 1.2rem; }

@keyframes drift { from { transform: translate(-50%, -50%); } to { transform: translate(0, 0); } }