.ash-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background: color-mix(in srgb, #17191b 88%, transparent);
    border-bottom: 1px solid #1e2124;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.3rem;
    gap: 1rem;
}

.ash-left {
    display: flex;
    align-items: center;
    gap: 1.4rem;
    min-width: 0;
}

.ash-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
    color: inherit;
    flex-shrink: 0;
}

.ash-brand:hover .ash-brand-name {
    color: #b195e8;
}

.ash-brand-mark {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, #351b69, #59369f);
    box-shadow: 0 4px 12px rgba(0,0,0,0.35);
    flex-shrink: 0;
}

.ash-brand-img {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 0.5rem;
    object-fit: contain;
}

.ash-brand-name {
    font-family: 'Sora', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: #ebedee;
    transition: color 0.15s;
}

.ash-nav {
    display: flex;
    align-items: center;
    gap: 0.15rem;
}

.ash-nav-link {
    color: #8f9398;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.35rem 0.65rem;
    border-radius: 0.5rem;
    transition: color 0.15s, background 0.15s;
}

.ash-nav-link:hover {
    color: #ebedee;
    background: rgba(255,255,255,0.06);
}

.ash-auth-area {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    flex-shrink: 0;
}

.ash-auth-area .auth-email {
    font-size: 0.83rem;
    color: #8f9398;
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ash-auth-area .btn {
    border: none;
    border-radius: 999px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.55rem 1rem;
    cursor: pointer;
    transition: transform 0.15s, background 0.2s;
    line-height: 1;
}

.ash-auth-area .btn:hover {
    transform: translateY(-1px);
}

.ash-auth-area .btn-ghost {
    background: transparent;
    border: 1px solid #2f3336;
    color: #8f9398;
}

.ash-auth-area .btn-ghost:hover {
    color: #ebedee;
    border-color: #59369f;
}

@media (max-width: 600px) {
    .ash-topbar {
        padding: 0.7rem 0.9rem;
    }
    .ash-nav {
        display: none;
    }
    .ash-brand-name {
        font-size: 0.9rem;
    }
}