body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.copyright {
    position: relative;
    width: 100%;
    margin: 60px 0 0 0;
    padding: 12px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: none;
    color: var(--text-color);
    font-size: 0.9em;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    font-family: 'Raleway', sans-serif;
    font-weight: 400;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.04), 0 -4px 24px rgba(0, 0, 0, 0.03);
    transform: perspective(1000px) rotateX(1deg) translateZ(3px);
}

[data-theme="dark"] .copyright {
    background: rgba(255, 255, 255, 0.15);
    border-top: none;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.15), 0 -4px 24px rgba(0, 0, 0, 0.1);
}