.site-header {
    background: var(--header-bg);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(15, 23, 32, 0.22);
}

.site-header::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(166, 124, 82, 0.55), rgba(255, 255, 255, 0));
}

.site-header-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 24px 24px 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.brand {
    color: #fff;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.brand:hover {
    color: #fff;
    text-decoration: none;
}

.brand-title {
    font-weight: 700;
    font-size: 1.18rem;
    letter-spacing: 0.04em;
}

.brand-subtitle {
    color: rgba(228, 235, 244, 0.72);
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    margin-left: auto;
}

.header-auth-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-header .language-switcher {
    flex-shrink: 0;
}

.site-header .language-switcher-label {
    color: rgba(228, 235, 244, 0.74);
}

.site-header .language-switcher-select {
    background: rgba(255, 255, 255, 0.96);
    color: var(--primary-deep);
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.site-header .language-switcher-select option {
    color: var(--text);
    background: #fff;
}

.btn-header {
    min-width: 92px;
}

.site-header .btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.22);
}

.site-header .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.28);
}

.user-menu {
    position: relative;
}

.user-menu > summary {
    list-style: none;
    cursor: pointer;
}

.user-menu > summary::-webkit-details-marker {
    display: none;
}

.site-user-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.04));
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.12);
    transition: all 0.2s ease;
}

.site-user-link:hover,
.site-user-link.is-active,
.user-menu[open] .site-user-link {
    color: #fff;
    text-decoration: none;
    background: linear-gradient(135deg, rgba(166, 124, 82, 0.20), rgba(53, 80, 107, 0.24));
    border-color: rgba(255, 255, 255, 0.18);
}

.site-user-link:focus-visible {
    outline: 2px solid rgba(238, 221, 197, 0.82);
    outline-offset: 3px;
}

.user-avatar {
    width: 42px;
    height: 42px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent) 0%, #8e6c46 48%, var(--primary) 100%);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.22);
}

.user-avatar.avatar-theme-google {
    background: linear-gradient(135deg, #5b7fc7 0%, #3f63a8 52%, #7ba0eb 100%);
}

.user-avatar.avatar-theme-line {
    background: linear-gradient(135deg, #3fa86a 0%, #2f9158 52%, #67c88b 100%);
}

.user-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
}

.user-name,
.user-meta-hint {
    max-width: 220px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-name {
    font-size: 0.92rem;
    font-weight: 600;
}

.user-meta-hint {
    color: rgba(228, 235, 244, 0.72);
    font-size: 0.8rem;
}

.user-menu-caret {
    width: 10px;
    height: 10px;
    border-right: 2px solid rgba(228, 235, 244, 0.82);
    border-bottom: 2px solid rgba(228, 235, 244, 0.82);
    transform: rotate(45deg) translateY(-2px);
    transition: transform 0.2s ease;
    flex-shrink: 0;
    margin-left: 2px;
}

.user-menu[open] .user-menu-caret {
    transform: rotate(225deg) translateY(-1px);
}

.user-menu-panel {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: min(320px, calc(100vw - 32px));
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(18px);
    color: var(--text);
    box-shadow: var(--shadow-strong);
    z-index: 40;
}

.user-menu-panel::before {
    content: "";
    position: absolute;
    top: -7px;
    right: 28px;
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
    transform: rotate(45deg);
}

.user-menu-section + .user-menu-section {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
}

.user-menu-label {
    margin-bottom: 8px;
    color: var(--accent-strong);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.user-menu-item,
.user-menu-button {
    width: 100%;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text);
    text-decoration: none;
    transition: all 0.2s ease;
}

.user-menu-item:hover,
.user-menu-button:hover {
    color: var(--text-strong);
    text-decoration: none;
    background: linear-gradient(180deg, var(--surface-soft), rgba(255, 255, 255, 0.90));
    border-color: var(--accent-border);
    box-shadow: var(--shadow-soft);
}

.user-menu-item.is-static {
    background: linear-gradient(180deg, var(--surface-soft), rgba(255, 255, 255, 0.88));
    border-color: var(--line);
}

.user-menu-item-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-menu-item-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
}

.user-menu-item-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.user-menu-button {
    cursor: pointer;
    font: inherit;
    text-align: left;
}

.user-menu-button-danger {
    color: var(--error-text);
    border-color: rgba(161, 68, 67, 0.20);
    background: var(--error-bg);
}

.user-menu-button-danger:hover {
    background: #f6e3df;
    border-color: rgba(161, 68, 67, 0.28);
}

.main-nav-wrap {
    border-top: 1px solid rgba(255, 255, 255, 0.10);
}

.main-nav {
    max-width: 1140px;
    margin: 0 auto;
    padding: 12px 24px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.main-nav a {
    color: rgba(229, 236, 244, 0.82);
    text-decoration: none;
    padding: 9px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    letter-spacing: 0.02em;
    transition: all 0.2s ease;
}

.main-nav a:hover {
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.10);
    border-color: rgba(255, 255, 255, 0.12);
}

.main-nav a.is-active {
    background: linear-gradient(135deg, rgba(166, 124, 82, 0.24), rgba(53, 80, 107, 0.32));
    border-color: rgba(255, 255, 255, 0.16);
    color: #fff;
    box-shadow: 0 10px 22px rgba(15, 23, 42, 0.14);
}

.page {
    max-width: 1140px;
    margin: 30px auto 0;
    padding: 0 24px 32px;
}

.site-footer {
    max-width: 1140px;
    margin: 0 auto;
    padding: 6px 24px 28px;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.social-provider-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    max-width: 520px;
    margin: 0 auto;
}

.social-provider-grid .social-provider-block + .social-provider-block {
    margin-top: 0;
}

@media (max-width: 960px) {
    .site-header-inner {
        padding: 20px 16px 16px;
        flex-direction: column;
        align-items: stretch;
    }

    .header-actions {
        margin-left: 0;
        justify-content: flex-start;
    }

    .main-nav,
    .page,
    .site-footer {
        padding-left: 16px;
        padding-right: 16px;
    }
}