/* --- Liquid Glass related --- */
.glass {
    position: relative;
    background: rgba(0, 0, 0, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4),
              inset 0 0 100px rgba(255, 255, 255, 0.1),
              inset 0 0 200px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    z-index: 1;
}
.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.6));
    z-index: -1;
    filter: blur(20px);
}
.glass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(at center, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0));
    z-index: -1;
    animation: glass-animation 5s linear infinite;
    filter: blur(30px);
}

.glass-white {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 2rem;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.2),
              inset 0 0 100px rgba(255, 255, 255, 0.1),
              inset 0 0 200px rgba(255, 255, 255, 0.05);
    overflow: hidden;
    z-index: 1;
}
.glass-white::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    z-index: -1;
    filter: blur(20px);
}
.glass-white::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(at center, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
    z-index: -1;
    animation: glass-animation 5s linear infinite;
    filter: blur(30px);
}

@keyframes glass-animation {
    0% { transform: rotate(135deg); }
    100% { transform: rotate(135deg); }
}