.app-shell {
    width: min(1100px, calc(100% - 32px));
    margin: 0 auto;
}

.app-header {
    margin-top: 24px;
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(90, 63, 41, 0.12);
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(80, 55, 35, 0.08);
}

.brand {
    font-size: 20px;
    font-weight: 800;
    text-decoration: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav a {
    padding: 10px 14px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    color: #5f4736;
}

.nav a:hover {
    background: #fff1dc;
}

.app-main {
    padding: 34px 0 60px;
}

@media (max-width: 700px) {
    .app-shell {
        width: min(100% - 20px, 1100px);
    }

    .app-header {
        align-items: flex-start;
        flex-direction: column;
        border-radius: 20px;
    }

    .nav {
        width: 100%;
        overflow-x: auto;
    }
}