.mkz-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.mkz-top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    background: rgba(0,0,0,0.45);
    backdrop-filter: blur(16px);
    position: sticky;
    top: 0;
    z-index: 20;
}
.mkz-logo {
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
}
.mkz-nav a {
    margin-left: 14px;
    font-size: 0.9rem;
}
.mkz-main-layout {
    flex: 1;
    padding: 18px;
}
.mkz-layout-grid {
    display: grid;
    grid-template-columns: 240px minmax(0,1fr) 260px;
    gap: 18px;
}
.mkz-card {
    background: rgba(0,0,0,0.45);
    border-radius: 12px;
    padding: 14px 16px;
    border: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
}
.mkz-main {
    min-width: 0;
}
.mkz-sidebar-left,
.mkz-sidebar-right {
    min-width: 0;
}
.mkz-footer {
    padding: 12px 18px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    border-top: 1px solid rgba(255,255,255,0.08);
    background: rgba(0,0,0,0.55);
}
.mkz-page {
    max-width: 960px;
    margin: 0 auto;
}
@media (max-width: 960px) {
    .mkz-layout-grid {
        grid-template-columns: minmax(0,1fr);
    }
    .mkz-sidebar-left,
    .mkz-sidebar-right {
        display: none;
    }
}