.primary-header,
.primary-header * {
    box-sizing: border-box;
    margin: 0;
}

.primary-header {
    position: sticky;
    top: 12px;
    z-index: 30;
}

.primary-header-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 76px;
    padding: 14px 18px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(20px);
}

.primary-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 1 230px;
    min-width: 0;
    text-decoration: none;
}

.primary-brand img {
    width: 48px;
    height: 48px;
    padding: 6px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    background: #ffffff;
    object-fit: contain;
}

.primary-brand-copy {
    min-width: 0;
}

.primary-brand-copy strong,
.primary-user-copy strong {
    display: block;
    color: #0f172a;
    font-size: 0.96rem;
    line-height: 1.1;
    font-weight: 800;
}

.primary-brand-copy span,
.primary-user-copy small {
    display: block;
    margin-top: 4px;
    color: #64748b;
    font-size: 0.76rem;
    line-height: 1.35;
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    float: none;
    overflow-x: auto;
    scrollbar-width: none;
}

.primary-nav::-webkit-scrollbar {
    display: none;
}

.primary-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 0 0 auto;
    min-height: 44px;
    padding: 0 16px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: #475569;
    background: transparent;
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-nav-link i {
    font-size: 0.86rem;
    color: #0f7b8d;
}

.primary-nav-link:hover,
.primary-nav-link:focus-visible,
.primary-action:hover,
.primary-action:focus-visible,
.primary-user:hover,
.primary-user:focus-visible {
    transform: translateY(-1px);
}

.primary-nav-link:hover,
.primary-nav-link:focus-visible {
    border-color: rgba(21, 165, 164, 0.18);
    background: rgba(21, 165, 164, 0.08);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.05);
    text-decoration: none;
}

.primary-nav-link.is-active {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(135deg, #ff4b2b 0%, #ff1a12 52%, #0ea5a7 100%);
    box-shadow: 0 16px 30px rgba(255, 75, 43, 0.22);
}

.primary-nav-link.is-active i {
    color: rgba(255, 255, 255, 0.96);
}

.primary-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex: 0 1 auto;
}

.primary-action,
.primary-user {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 16px;
    border-radius: 999px;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-action {
    border: 1px solid transparent;
    color: #ffffff;
    background: linear-gradient(135deg, #ff4b2b 0%, #ff1a12 52%, #ef4444 100%);
    box-shadow: 0 16px 30px rgba(255, 75, 43, 0.18);
    font-size: 0.84rem;
    font-weight: 700;
}

.primary-action.is-ghost {
    border-color: rgba(15, 23, 42, 0.08);
    color: #334155;
    background: #ffffff;
    box-shadow: none;
}

.primary-user {
    min-width: 0;
    padding-right: 12px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(248, 250, 252, 0.88);
}

.primary-user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 999px;
    color: #ffffff;
    background: linear-gradient(135deg, #0f172a 0%, #0ea5a7 100%);
    font-size: 0.78rem;
    font-weight: 800;
}

.primary-user-copy {
    min-width: 0;
}

@media (max-width: 1040px) {
    .primary-header-inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        gap: 14px;
    }

    .primary-nav {
        grid-column: 1 / -1;
        justify-content: flex-start;
        padding-bottom: 2px;
    }

    .primary-brand {
        flex: 0 1 auto;
    }
}

@media (max-width: 720px) {
    .primary-header {
        top: 8px;
    }

    .primary-header-inner {
        padding: 14px;
        border-radius: 20px;
    }

    .primary-brand-copy span,
    .primary-user-copy small {
        display: none;
    }

    .primary-user {
        padding-left: 10px;
    }

    .primary-action span,
    .primary-user-copy {
        max-width: 110px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

@media (max-width: 560px) {
    .primary-header {
        position: static;
    }

    .primary-header-inner {
        grid-template-columns: 1fr;
        justify-items: stretch;
    }

    .primary-brand,
    .primary-actions {
        width: 100%;
    }

    .primary-actions {
        justify-content: space-between;
    }

    .primary-action,
    .primary-user {
        flex: 1 1 0;
    }

    .primary-nav-link {
        min-height: 40px;
        padding: 0 14px;
    }
}