/* =============================================================================
   AUTH HEADER (shared login-page-header chrome)
   Used by auth HTML pages + dashboard.html. Depends on :root tokens in style.css.
   Auth page layouts stay in auth-pages.css.
   ============================================================================= */

.login-page-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--viva-z-fixed-header);
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--auth-header-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: var(--auth-header-height);
}

html:not([data-bs-theme="dark"]) .login-page-header {
    border-top: 1px solid rgba(var(--bs-border-color-rgb), 0.3);
    border-bottom: 1px solid rgba(var(--bs-border-color-rgb), 0.3);
}

[data-bs-theme="dark"] .login-page-header {
    background-color: rgba(29, 41, 53, 0.95) !important;
    border-top: none;
    border-bottom: 1px solid var(--border-color);
}

.login-page-header .header-brand {
    display: flex;
    align-items: center;
    gap: 28px;
    min-width: 0;
    flex-shrink: 0;
}

.login-page-header .desktop-toggler {
    height: 100%;
    display: flex;
    align-items: center;
}

.login-page-header .menu-toggler {
    border: none;
    background: none;
    height: 100%;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    cursor: pointer;
}

.login-page-header .menu-toggler .bar {
    width: 1.5rem;
    display: block;
    height: 2px;
    background: rgba(121, 142, 152, 0.4);
    transition: background-color 0.4s ease;
}

.login-page-header .menu-toggler .bar + .bar {
    margin-top: 0.25rem;
}

.login-page-header .menu-toggler:hover .bar {
    background: rgba(121, 142, 152, 0.75);
}

.login-page-header .header-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.login-page-header .header-logo .logo-icon {
    width: 1.2rem;
    height: 1.2rem;
    background: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.05rem;
    font-weight: 600;
    position: relative;
}

.login-page-header .header-logo .logo-icon .corner {
    position: absolute;
    width: 6px;
    height: 6px;
    border: 1px solid white;
}

[data-bs-theme="light"] .login-page-header .header-logo .logo-icon .corner {
    border-color: #333;
}

.login-page-header .header-logo .logo-icon .corner-tl {
    top: -3px;
    left: -3px;
    border-right: none;
    border-bottom: none;
}

.login-page-header .header-logo .logo-icon .corner-tr {
    top: -3px;
    right: -3px;
    border-left: none;
    border-bottom: none;
}

.login-page-header .header-logo .logo-icon .corner-bl {
    bottom: -3px;
    left: -3px;
    border-right: none;
    border-top: none;
}

.login-page-header .header-logo .logo-icon .corner-br {
    bottom: -3px;
    right: -3px;
    border-left: none;
    border-top: none;
}

.login-page-header .header-logo .logo-text {
    font-size: 0.91875rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: 2px;
}

.login-page-header .header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.login-page-header .lang-flag {
    width: 16px;
    height: 12px;
    margin-right: 6px;
    display: inline-block;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.login-page-header .lang-flag svg {
    width: 100%;
    height: 100%;
    display: block;
}

.login-page-header .lang-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--login-header-lang-color, #798e98);
    transition: var(--viva-text-color-transition-soft);
}

/* Единый chrome кнопок шапки */
.login-page-header :is(
    .header-icon-btn,
    .fullscreen-btn,
    .theme-toggle,
    .theme-btn,
    .reload-btn,
    .lang-btn
) {
    background: transparent;
    border: 1px solid #798e98;
    color: #798e98;
    border-radius: var(--button-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--viva-surface-interaction-transition);
}

.login-page-header :is(.header-icon-btn, .fullscreen-btn, .theme-toggle, .theme-btn, .reload-btn) {
    width: 25px;
    height: 25px;
    padding: 0;
}

.login-page-header .lang-btn {
    height: 25px;
    min-width: 60px;
    padding: 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.login-page-header :is(.header-icon-btn svg, .fullscreen-btn i, .theme-toggle svg, .theme-btn svg) {
    color: #798e98;
    fill: #798e98;
    transition: var(--viva-icon-hover-transition);
}

.login-page-header :is(
    .lang-btn:hover,
    .fullscreen-btn:hover,
    .theme-toggle:hover,
    .theme-btn:hover,
    .reload-btn:hover,
    .header-icon-btn:hover
) {
    background-color: var(--hover-bg);
    border-color: var(--hover-bg);
    color: var(--text-color);
    --login-header-lang-color: var(--text-color);
}

.login-page-header :is(.header-icon-btn:hover svg, .fullscreen-btn:hover i, .theme-toggle:hover svg, .theme-btn:hover svg) {
    color: var(--text-color);
    fill: var(--text-color);
}

.login-page-header .reload-btn[hidden] {
    display: none;
}

.login-page-header .fullscreen-btn :is(.fullscreen-icon, .exit-fullscreen-icon) {
    font-size: 1rem;
    line-height: 1;
}

@media (max-width: 767px) {
    .login-page-header .desktop-toggler {
        display: none;
    }

    .login-page-header {
        padding: 0.5rem 1.5rem;
    }
}

@media (max-width: 479px) {
    .login-page-header {
        padding: 0.5rem 1rem;
    }

    .login-page-header .header-logo .logo-text {
        display: none;
    }
}