:root {
    --bg-gradient-1: #f8fafc;
    --bg-gradient-2: #e2e8f0;
    --blob-1: rgba(19, 68, 93, 0.06);
    --blob-2: rgba(59, 130, 246, 0.06);
    --blob-3: rgba(34, 197, 94, 0.04);
}

[data-theme="dark"] {
    --bg-gradient-1: #0f172a;
    --bg-gradient-2: #1e293b;
    --blob-1: rgba(59, 130, 246, 0.08);
    --blob-2: rgba(19, 68, 93, 0.08);
    --blob-3: rgba(34, 197, 94, 0.05);
}

.bg-animated {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-gradient-1), var(--bg-gradient-2));
    overflow: hidden;
}

.bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: blobFloat 20s ease-in-out infinite;
}

.bg-blob-1 {
    width: 500px; height: 500px;
    background: var(--blob-1);
    top: -100px; left: -100px;
    animation-delay: 0s;
}

.bg-blob-2 {
    width: 400px; height: 400px;
    background: var(--blob-2);
    bottom: -100px; right: -100px;
    animation-delay: -7s;
}

.bg-blob-3 {
    width: 300px; height: 300px;
    background: var(--blob-3);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}