.app-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: color-mix(in srgb, var(--color-bg-header) 90%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}
.app-header-inner {
    display: flex;
    align-items: center;
    
    gap: 32px;
    height: 68px;
    max-width: 1600px;
    margin: 0 auto;
    
    padding: 0 24px 0 10px;
    transition: height .3s ease, gap .3s ease;
}
.app-header,
html.pre-anim .app-header * { transition: none !important; }
.app-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}
.app-header-divider {
    width: 1px;
    height: 22px;
    background: var(--color-border-mid);
    margin: 0 2px;
    flex-shrink: 0;
}
.app-header-mobile {
    display: none;
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--color-bg-header);
    border-bottom: 1px solid var(--color-border);
    padding: 10px 16px;
    align-items: center;
    gap: 12px;
}
.app-header-mobile-actions { margin-left: auto; display: flex; gap: 8px; }
.app-header.shrunk { box-shadow: 0 4px 16px color-mix(in srgb, var(--color-bg-header) 18%, transparent); }

.app-header.shrunk .app-header-inner { height: 50px; gap: 22px; }
.app-header.shrunk .app-logo { font-size: 15px; gap: 10px; margin-right: 12px; }
.app-header.shrunk .app-logo-mark { width: 30px; height: 30px; font-size: 15px; border-radius: var(--radius-sm); }

.app-header.shrunk .app-logo-img {
    width: auto;
    height: auto;
}
.app-header.shrunk .app-logo-img img {
    height: 30px;
    width: auto;
    filter:
        drop-shadow(0 0 calc(var(--logo-glow-blur) * .22 * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 95% * var(--logo-glow-boost)), transparent))
        drop-shadow(0 0 calc(var(--logo-glow-blur) * .55 * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 60% * var(--logo-glow-boost)), transparent))
        drop-shadow(0 0 calc(var(--logo-glow-blur) * 1.2 * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 30% * var(--logo-glow-boost)), transparent))
        drop-shadow(0 1px 2px color-mix(in srgb, #000 14%, transparent));
}
.app-header.shrunk .app-topnav-link { padding: 5px 16px; font-size: 13px; }
.app-header.shrunk .app-search { padding: 4px 10px; flex: 0 1 320px; min-width: 140px; }
.app-header.shrunk .app-search input { font-size: 12.5px; }
.app-header.shrunk .app-icon-btn { width: 32px; height: 32px; }
.app-header.shrunk .app-header-actions { gap: 8px; }
.app-header.shrunk .app-header-divider { height: 18px; }
.app-topnav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
}
.app-topnav-link {
    position: relative;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    color: var(--color-nav-link);
    font-size: 14px;
    font-weight: 500;
    transition: color .2s ease, background .2s ease;
    text-decoration: none;
    
    white-space: nowrap;
}
.app-topnav-link:hover {
    color: var(--color-nav-link-hover);
    background: var(--color-accent-soft);
}
.app-topnav-link.active {
    color: var(--color-nav-link-active);
    background: var(--color-accent-soft);
    font-weight: 500;
}

.app-topnav-fame {
    
    display: flex;
    align-items: center;
    gap: 6px;
    animation: appTopnavFameGlow 3s ease-in-out infinite;
}

.app-topnav-crown {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: #e2b23c;
    line-height: 0;
    pointer-events: none;              
    filter: drop-shadow(0 1px 2px rgba(226,178,60,.4));
}
.app-topnav-crown svg { width: 100%; height: 100%; display: block; }
@keyframes appTopnavFameGlow {
    0%, 100% { text-shadow: 0 0 5px rgba(232,196,106,.5); }
    50%      { text-shadow: 0 0 12px rgba(232,196,106,.95); }
}
@media (prefers-reduced-motion: reduce) {
    .app-topnav-fame { animation: none; text-shadow: 0 0 7px rgba(232,196,106,.6); }
}

.app-topnav-recent {
    
    display: flex;
    align-items: center;
    gap: 7px;
}
.app-topnav-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-accent);
    flex-shrink: 0;
    animation: appTopnavDotPulse 2.4s ease-in-out infinite;
}

.app-topnav-group-start { margin-left: 18px; }
.app-header.shrunk .app-topnav-group-start { margin-left: 12px; }
@keyframes appTopnavDotPulse {
    0%, 100% { opacity: .35; transform: scale(.8); }
    50%      { opacity: 1;   transform: scale(1.15); }
}
@media (prefers-reduced-motion: reduce) {
    .app-topnav-dot { animation: none; opacity: .9; }
}
.app-topnav-dropdown {
    position: relative;
}
.app-topnav-dropdown .app-topnav-caret {
    position: absolute;
    right: 7px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 10px;
    opacity: .7;
    pointer-events: none;
}

.app-topnav-dropdown .app-topnav-link {
    position: relative;
    display: inline-block;
}
.app-topnav-sub {
    position: absolute;
    top: calc(100% + 8px);   
    left: 0;
    min-width: 170px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--main-shadow);
    padding: 6px;
    display: none;
    z-index: 120;
    transform-origin: top center;
    animation: topnavSubIn .18s ease;
}

.app-topnav-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: calc(8px + 6px);   
    z-index: 130;
}

@keyframes topnavSubIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.app-topnav-dropdown:hover .app-topnav-sub,
.app-topnav-dropdown:focus-within .app-topnav-sub {
    display: block;
}
.app-topnav-sub-link {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-nav-link);
    font-size: 13px;
    text-decoration: none;
    transition: color .2s ease, background .2s ease;
}
.app-topnav-sub-link:hover {
    background: var(--color-accent-soft);
    color: var(--color-nav-link-hover);
}
.app-topnav-sub-link.active {
    color: var(--color-nav-link-active);
    font-weight: 500;
    background: var(--color-accent-soft);
}






.app-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-title);
    font-weight: 800;
    font-size: 17px;
    letter-spacing: 0.3px;
    flex-shrink: 0;
    
    margin-right: 10px;
    transition: transform .2s ease;
}
.app-logo:hover { transform: scale(1.02); }
.app-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-gradient);
    color: var(--color-on-accent);
    font-size: 18px;
    box-shadow: 0 4px 12px color-mix(in srgb, var(--color-accent) 40%, transparent);
}

.app-logo-img {
    width: auto;
    height: auto;
    background: none;
    box-shadow: none;
    border-radius: 0;
}
.app-logo-img img {
    height: 36px;
    width: auto;
    display: block;
    filter:
        
        drop-shadow(0 0 calc(var(--logo-glow-blur) * .22 * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 100% * var(--logo-glow-boost)), transparent))
        
        drop-shadow(0 0 calc(var(--logo-glow-blur) * .55 * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 68% * var(--logo-glow-boost)), transparent))
        
        drop-shadow(0 0 calc(var(--logo-glow-blur) * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 40% * var(--logo-glow-boost)), transparent))
        
        drop-shadow(0 0 calc(var(--logo-glow-blur) * 1.9 * var(--logo-glow-boost))
            color-mix(in srgb, var(--logo-glow-color) calc(var(--logo-glow-alpha) * 20% * var(--logo-glow-boost)), transparent))
        
        drop-shadow(0 1px 2px color-mix(in srgb, #000 14%, transparent));
}

.app-logo-img,
.auth-logo-img {
    --logo-glow-blur: calc(var(--logo-glow-blur-base)
        + (var(--logo-glow-blur-peak) - var(--logo-glow-blur-base)) * var(--logo-glow-breath));
    --logo-glow-alpha: calc(var(--logo-glow-alpha-base)
        + (var(--logo-glow-alpha-peak) - var(--logo-glow-alpha-base)) * var(--logo-glow-breath));
    --logo-glow-boost: 1;
    animation: logoGlowBreath 4.6s cubic-bezier(.45, 0, .55, 1) infinite;
    transition: --logo-glow-boost .25s ease;
}
@keyframes logoGlowBreath {
    0%, 100% { --logo-glow-breath: 0; }
    50%      { --logo-glow-breath: 1; }
}

.app-logo:hover .app-logo-img,
.app-logo:hover .auth-logo-img { --logo-glow-boost: 1.25; }

@media (prefers-reduced-motion: reduce) {
    .app-logo-img,
    .auth-logo-img { animation: none; }
}
.app-logo-mobile { font-size: 15px; }
.app-logo-text { font-size: 17px; font-weight: 800; color: var(--color-text-title); white-space: nowrap; }

.app-search {
    display: flex;
    align-items: center;
    background: var(--color-bg-page-soft);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 6px 12px;
    
    flex: 0 1 380px;
    min-width: 140px;
    transition: all .2s ease;
}
.app-search:focus-within {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}
.app-search input {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 13px;
    color: var(--color-text-primary);
}
.app-search input::placeholder { color: var(--color-text-dim); }

.app-search button {
    border: none;
    background: transparent;
    color: var(--color-accent);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: background .2s, color .2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.app-search button:hover { background: var(--color-accent); color: var(--color-text-invert); }


.app-notif { position: relative; }
.app-notif-btn { position: relative; }
.app-notif-badge {
    position: absolute;
    top: -4px; right: -4px;
    min-width: 16px; height: 16px;
    padding: 0 4px;
    border-radius: var(--radius-sm);
    background: var(--color-danger);
    color: var(--color-text-invert);
    font-size: 10px; font-weight: 700;
    line-height: 16px; text-align: center;
    display: none;
}
.app-notif-badge.show { display: block; }
.app-notif-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 300px;
    max-height: 380px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--main-shadow);
    z-index: 1000;
    display: none;
}
.app-notif-panel.show { display: block; }
.app-notif-head {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px;
    font-size: 13px; font-weight: 700;
    color: var(--color-text-title);
    border-bottom: 1px solid var(--color-border);
}
.app-notif-clear { font-size: 12px; font-weight: 400; color: var(--color-accent-dark); cursor: pointer; }
.app-notif-clear:hover { color: var(--color-accent); }
.app-notif-body { max-height: 300px; overflow-y: auto; padding: 6px; }
.app-notif-item {
    display: block;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-primary);
}
.app-notif-item:hover { background: var(--color-accent-soft); }
.app-notif-item:hover .app-notif-title { color: var(--color-accent); }
.app-notif-title { display: block; font-size: 13px; color: var(--color-text-primary); }

.app-notif-from {
    display: inline-block; font-size: 11px; font-weight: 600;
    color: var(--color-accent); background: var(--color-accent-soft);
    padding: 0 6px; border-radius: 999px; margin-bottom: 3px;
}
.app-notif-time { display: block; font-size: 11px; color: var(--color-text-dim); margin-top: 2px; }

.app-notif-desc {
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--color-text-secondary);
    
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.app-notif-item--notice { border-left: 2px solid var(--color-accent); }
.app-notif-empty { padding: 24px 12px; text-align: center; font-size: 13px; color: var(--color-text-dim); }
.app-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all .2s;
    font-size: 16px;
    background: transparent;
    border: none;
    cursor: pointer;
}
.app-icon-btn:hover { color: var(--color-accent); }

.user-avatar-btn { padding: 4px; border-radius: 50%; background: transparent; border: none; }
.user-avatar-empty {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--color-bg-page-soft);
    color: var(--color-text-dim);
    font-size: 16px;
}
.user-avatar-empty:hover { color: var(--color-accent); }
.user-dropdown { position: relative; }
.user-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    border-radius: 50%;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all .2s;
}
.user-dropdown-trigger:hover { border-color: transparent; }
.user-dropdown-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    color: var(--color-on-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    overflow: hidden;   
}
.user-dropdown-avatar img {
    width: 100%; height: 100%; object-fit: cover; display: block;
}
.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--main-shadow);
    padding: 8px;
    z-index: 1000;
    display: none;
}
.user-dropdown:hover .user-dropdown-menu { display: block; }

.user-dropdown.open .user-dropdown-menu { display: block; }
.user-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 8px;
    z-index: 999;
}
.user-dropdown-item {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 13px;
    text-decoration: none;
    transition: all .15s;
}
.user-dropdown-item:hover { background: var(--color-accent-soft); color: var(--color-accent); }
.user-dropdown-divider { height: 1px; background: var(--color-border); margin: 6px 0; }
.quick-login-panel { width: 250px; padding: 16px; }
.quick-login-title { font-size: 15px; font-weight: 700; color: var(--color-text-title); margin-bottom: 12px; }
.quick-login-form { display: flex; flex-direction: column; gap: 10px; }
.quick-login-input {
    width: 100%; box-sizing: border-box;
    padding: 9px 12px; border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-bg-page-soft);
    color: var(--color-text-primary); font-size: 13px; outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.quick-login-input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-soft); }
.quick-login-btn {
    width: 100%; padding: 9px 0; border: none; border-radius: var(--radius-sm);
    background: var(--color-accent-gradient); color: var(--color-on-accent);
    font-size: 14px; font-weight: 700; cursor: pointer;
    transition: filter .15s;
}
.quick-login-btn:hover { filter: brightness(1.05); }
.quick-login-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; font-size: 12px; }
.quick-login-foot a { color: var(--color-accent-dark); text-decoration: none; }
.quick-login-foot a:hover { color: var(--color-accent); text-decoration: underline; }
.quick-login-error {
    margin-top: 10px; padding: 7px 10px; border-radius: var(--radius-sm, 6px);
    color: var(--color-danger, #e5484d);
    border: 1px solid color-mix(in srgb, var(--color-danger, #e5484d) 45%, transparent);
    background: color-mix(in srgb, var(--color-danger, #e5484d) 10%, transparent);
    font-size: 12px; line-height: 1.4; word-break: break-word;
}
.quick-login-error[hidden] { display: none; }



html.sidebar-collapsed .app-header {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: color-mix(in srgb, var(--color-bg-header) 90%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}


html.is-scrolling .app-header {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--color-bg-header);
}




.app-notice {
    position: relative;
    background: var(--color-accent-soft);
    border-bottom: 1px solid var(--color-border);
}
.app-notice-inner {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 40px;
    
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 32px 0 calc(var(--side-w, 260px) + 32px);
    
    transition: transform .3s cubic-bezier(0.4, 0, 0.2, 1);
}

html.sidebar-collapsed .app-notice-inner {
    transform: translateX(calc(var(--side-w, 260px) / -2));
}
.app-notice-icon {
    flex: none;
    display: inline-flex;
    align-items: center;
    color: var(--color-accent);
    font-size: 18px;
}
.app-notice-viewport {
    flex: 1 1 auto;
    min-width: 0;
    position: relative;
    overflow: hidden;
    height: 100%;
    
    container-type: inline-size;
    
    -webkit-mask-image: linear-gradient(to right, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
    mask-image: linear-gradient(to right, transparent 0, #000 16px, #000 calc(100% - 16px), transparent 100%);
}
.app-notice-track {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    display: flex;
    align-items: center;
    width: max-content;
    animation: appNoticeScroll var(--notice-dur, 20s) linear infinite;
    
    will-change: transform;
}

.app-notice-viewport:hover .app-notice-track { animation-play-state: paused; }
.app-notice-seg { display: flex; flex: none; }
.app-notice-item {
    flex: none;
    position: relative;
    
    padding: 0 32px 0 18px;
    white-space: nowrap;
    font-size: 13px;
    color: var(--color-text-primary);
}

.app-notice-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    border-radius: 50%;
    background: var(--color-danger);
}
.app-notice-close {
    flex: none;
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-dim);
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    transition: background .15s, color .15s;
}
.app-notice-close:hover { background: var(--color-accent-soft); color: var(--color-accent); }

@keyframes appNoticeScroll {
    from { transform: translateX(100cqw); }
    to   { transform: translateX(-100%); }
}

@supports not (width: 1cqw) {
    @keyframes appNoticeScroll {
        from { transform: translateX(100%); }
        to   { transform: translateX(-100%); }
    }
}

@media (prefers-reduced-motion: reduce) {
    .app-notice-track { animation: none; }
}
@media (max-width: 991px) {
    .app-notice-inner { height: 36px; padding: 0 12px; gap: 8px; }
    .app-notice-item { padding: 0 22px 0 16px; font-size: 12.5px; }
}