header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 10px 16px;
    z-index: 1000;

    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);

    background: rgba(255, 255, 255, 0.75);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

[data-theme="dark"] header {
    background: rgba(15, 23, 42, 0.75);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header-container {
    max-width: 1100px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

main {
    padding-top: 70px;
    max-width: 1100px;
    margin: auto;
    padding-left: 16px;
    padding-right: 16px;
}

.days {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-bottom: 18px;
}

rutina-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

footer {
    text-align: center;
    font-size: 0.7rem;
    color: var(--muted);
    padding: 26px 0;
}

.footer-actions {
    margin-top: 8px;
    display: flex;
    gap: 8px;
    justify-content: center;
}

footer a {
    color: var(--muted);
    text-decoration: none;
}

footer a:hover {
    color: var(--accent);
}