/* —— Header —— */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: url("/static/images/bg.png");
    color: var(--white);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    min-height: var(--header-h);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 600;
    font-size: 1.1rem;
}

.brand-logo {
    border-radius: 8px;
    object-fit: cover;
}

.nav-toggle {
    margin-left: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 26px;
    height: 44px;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--white);
    border-radius: 1px;
    transition: transform 0.2s, opacity 0.2s;
}

body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0;
    order: 10;
    background: var(--color-teal-dark);
    margin: 0 -16px -8px;
    padding: 8px 0 16px;
}

body.nav-open .main-nav {
    display: flex;
}

.nav-link {
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.95rem;
}

.nav-link:hover,
.nav-link:focus-visible {
    background: rgba(255, 255, 255, 0.06);
}

.header-actions {
    display: none;
    gap: 8px;
    align-items: center;
}

.header-user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.header-user {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    max-width: 200px;
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
}

.header-user:hover,
.header-user:focus-visible {
    color: var(--white);
    opacity: 0.92;
}

.header-user-avatar {
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.header-user-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn.header-logout {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-outline {
    border-color: rgba(255, 255, 255, 0.85);
    color: var(--white);
    background: transparent;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
}

@media (min-width: 768px) {
    :root {
        --header-h: 72px;
    }

    .nav-toggle {
        display: none;
    }

    .main-nav {
        display: flex !important;
        flex-direction: row;
        flex-wrap: wrap;
        width: auto;
        order: 0;
        margin: 0;
        padding: 0;
        background: transparent;
        gap: 4px 8px;
        justify-content: center;
        flex: 1;
    }

    .nav-link {
        padding: 8px 10px;
        border: none;
        font-size: 0.88rem;
        white-space: nowrap;
    }

    .header-actions {
        display: flex;
    }

    .header-inner {
        flex-wrap: nowrap;
    }
}

@media (min-width: 1024px) {
    .nav-link {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}