:root {
    --theme-indigo: #6366f1;
    --theme-indigo-deep: #4f46e5;
    --theme-violet: #8b5cf6;
    --theme-pink: #ec4899;
    --theme-surface: rgba(5, 8, 22, 0.92);
    --theme-stroke: rgba(99, 102, 241, 0.22);
    --theme-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
    --theme-header-blur: 20px;
    --theme-radius-chip: 14px;
    --theme-shadow-header: 0 1px 0 rgba(255, 255, 255, 0.06), 0 12px 40px rgba(0, 0, 0, 0.35);
    --theme-nav-gap: 10px;
    --theme-safe-top: env(safe-area-inset-top, 0px);
    --theme-safe-right: env(safe-area-inset-right, 0px);
    --theme-safe-bottom: env(safe-area-inset-bottom, 0px);
    --theme-safe-left: env(safe-area-inset-left, 0px);
}

@media (prefers-reduced-motion: reduce) {
    .online-indicator,
    .online-dot {
        animation: none !important;
    }

    nav.app-header a:hover,
    nav.app-header button:hover,
    nav.app-header a.user-info:hover,
    .app-brand:hover,
    .nav-btn-secondary:hover {
        transform: none;
    }
}

nav.app-header {
    z-index: var(--theme-z-nav, 400);
    overflow: visible;
    border-bottom: 1px solid var(--theme-stroke);
    background: linear-gradient(180deg, rgba(5, 8, 22, 0.97) 0%, rgba(8, 12, 28, 0.9) 100%);
    -webkit-backdrop-filter: blur(var(--theme-header-blur)) saturate(160%);
    backdrop-filter: blur(var(--theme-header-blur)) saturate(160%);
    box-shadow: var(--theme-shadow-header);
}

nav.app-header.navbar {
    position: sticky;
    top: 0;
    padding: 0;
}

nav.app-header.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 0;
}

nav.app-header .site-nav-inner,
nav.app-header .navbar-content {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding-top: max(12px, var(--theme-safe-top));
    padding-bottom: 12px;
    padding-left: max(16px, var(--theme-safe-left));
    padding-right: max(16px, var(--theme-safe-right));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(12px, 2vw, 20px);
    flex-wrap: wrap;
}

@media (min-width: 1024px) {
    nav.app-header .site-nav-inner,
    nav.app-header .navbar-content {
        padding-left: max(clamp(20px, 4vw, 56px), var(--theme-safe-left));
        padding-right: max(clamp(20px, 4vw, 56px), var(--theme-safe-right));
        padding-bottom: 14px;
    }
}

@media (min-width: 1440px) {
    nav.app-header .site-nav-inner,
    nav.app-header .navbar-content {
        padding-left: max(clamp(24px, 4.5vw, 64px), var(--theme-safe-left));
        padding-right: max(clamp(24px, 4.5vw, 64px), var(--theme-safe-right));
    }
}

a.app-brand {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    max-width: min(100vw - 24px, 420px);
}

a.app-brand:hover .app-brand__wordmark {
    color: #e2e8f0;
}

.app-brand__icon,
a.app-brand > svg.app-brand__icon {
    width: clamp(22px, 4vw, 26px);
    height: clamp(22px, 4vw, 26px);
    flex-shrink: 0;
    display: block;
}

.app-brand__icon path {
    fill: #ffffff;
    stroke: #0a0a12;
}

.app-brand__wordmark {
    color: #f8fafc;
    font-weight: 700;
    font-size: clamp(15px, 2.3vw, 17px);
    line-height: 1;
    letter-spacing: -0.03em;
    white-space: nowrap;
    transition: color 0.15s var(--theme-ease);
}

.app-brand__text {
    color: #f8fafc;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.app-brand--loader {
    pointer-events: none;
}

.app-brand--loader .app-brand__wordmark {
    font-size: 1.125rem;
}

nav.app-header .site-nav-links,
nav.app-header .navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--theme-nav-gap);
    flex-wrap: wrap;
    min-width: 0;
    flex: 1 1 auto;
    justify-content: flex-end;
    margin-left: auto;
    overflow: visible;
}

nav.app-header .navbar-content,
nav.app-header .site-nav-inner {
    overflow: visible;
}

nav.app-header a.user-info {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    min-height: 44px;
    box-sizing: border-box;
    max-width: min(280px, 100%);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.22) 0%, rgba(15, 23, 42, 0.82) 100%);
    border: 1px solid rgba(99, 102, 241, 0.4);
    border-radius: var(--theme-radius-chip);
    color: #f8fafc;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.18);
    transition: transform 0.2s var(--theme-ease), box-shadow 0.2s var(--theme-ease), border-color 0.2s var(--theme-ease), background 0.2s var(--theme-ease);
    -webkit-user-select: none;
    user-select: none;
}

nav.app-header a.user-info:hover {
    transform: translateY(-2px);
    border-color: rgba(165, 180, 252, 0.55);
    box-shadow: 0 8px 22px rgba(99, 102, 241, 0.32);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.32) 0%, rgba(15, 23, 42, 0.88) 100%);
}

nav.app-header .user-info .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.35);
    font-size: 16px;
    line-height: 1;
}

nav.app-header .user-info .user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

nav.app-header .user-info .user-nav-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    text-align: left;
}

nav.app-header .user-info .user-nav-name {
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

nav.app-header .user-info .user-nav-role {
    font-size: 12px;
    font-weight: 600;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

nav.app-header .site-nav-links a:not(.nav-chip):not(.nav-btn-login),
nav.app-header .site-nav-links button:not(.nav-btn-login) {
    padding: 10px 16px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: transform 0.15s var(--theme-ease), box-shadow 0.15s var(--theme-ease);
}

nav.app-header .site-nav-links a.nav-upload {
    background: linear-gradient(135deg, var(--theme-indigo) 0%, var(--theme-indigo-deep) 100%);
    color: #fff;
}

nav.app-header .site-nav-links a:not(.nav-chip):hover,
nav.app-header .site-nav-links button:not(.nav-btn-login):hover {
    transform: translateY(-1px);
}

.online-widget {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    min-height: 44px;
    box-sizing: border-box;
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.35);
    border-radius: var(--theme-radius-chip);
    font-size: 14px;
    transition: background 0.2s var(--theme-ease), border-color 0.2s var(--theme-ease), transform 0.2s var(--theme-ease);
}

.online-widget:hover {
    background: rgba(34, 197, 94, 0.14);
    border-color: rgba(34, 197, 94, 0.5);
    transform: translateY(-1px);
}

.online-indicator {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: theme-pulse-dot 2s ease-in-out infinite;
}

@keyframes theme-pulse-dot {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.55;
        transform: scale(1.15);
    }
}

.online-count {
    font-weight: 700;
    color: #4ade80;
}

.online-widget .online-text {
    color: #94a3b8;
    font-weight: 600;
}

@media (max-width: 768px) {
    nav.app-header.site-nav .site-nav-inner {
        padding-top: max(10px, var(--theme-safe-top));
        padding-left: max(12px, var(--theme-safe-left));
        padding-right: max(12px, var(--theme-safe-right));
        padding-bottom: 10px;
    }
}

.feed-topbar {
    position: fixed;
    z-index: 350;
    top: max(10px, calc(var(--theme-safe-top) + 4px));
    left: max(10px, var(--theme-safe-left));
    right: max(10px, var(--theme-safe-right));
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px min(12px, 2vw);
    pointer-events: none;
    overflow: visible;
    background: none;
    border: none;
    box-shadow: none;
}

.feed-topbar > * {
    pointer-events: auto;
}

.feed-topbar__end {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    flex: 0 0 auto;
    margin-left: auto;
    min-width: 0;
    background: none;
}

.feed-topbar__cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    min-width: 0;
}

.feed-topbar a.app-brand {
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.online-counter {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.55) 0%, rgba(15, 23, 42, 0.45) 100%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    backdrop-filter: blur(20px) saturate(160%);
    border-radius: var(--theme-radius-chip);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(34, 197, 94, 0.35);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    max-width: 100%;
}

.online-dot {
    width: 9px;
    height: 9px;
    background: #10b981;
    border-radius: 50%;
    animation: theme-pulse-dot 2s ease-in-out infinite;
    flex-shrink: 0;
}

.online-counter .online-text {
    font-size: clamp(11px, 3vw, 13px);
    font-weight: 700;
    color: #fff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: min(56vw, 220px);
}

.feed-topbar .feed-header-btn.nav-btn-secondary {
    font-size: clamp(12px, 3.2vw, 14px);
}

@media (max-width: 768px) {
    .feed-topbar {
        top: max(8px, calc(var(--theme-safe-top) + 2px));
        left: max(8px, var(--theme-safe-left));
        right: max(8px, var(--theme-safe-right));
        gap: 8px;
    }

    .feed-topbar .feed-header-btn.nav-btn-secondary {
        padding: 9px 16px;
    }

    .online-counter {
        padding: 8px 12px;
        gap: 8px;
    }

    .online-dot {
        width: 8px;
        height: 8px;
    }

    .online-counter .online-text {
        max-width: min(50vw, 200px);
    }
}

@media (max-width: 480px) {
    .feed-topbar__cluster {
        flex-direction: column;
        align-items: flex-end;
        gap: 6px;
    }

    .online-counter .online-text {
        max-width: min(72vw, 240px);
        white-space: normal;
        word-spacing: normal;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .feed-topbar {
        gap: 10px 14px;
    }
}

@media (max-width: 768px) {
    nav.app-header .site-nav-inner,
    nav.app-header .navbar-content {
        flex-wrap: wrap;
        align-items: flex-start;
    }

    nav.app-header.navbar .navbar-content {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    nav.app-header.site-nav .site-nav-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    nav.app-header .navbar-menu,
    nav.app-header .site-nav-links {
        width: 100%;
        margin-left: 0;
        flex: none;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 8px;
    }

    nav.app-header.navbar .navbar-menu .online-widget,
    nav.app-header.site-nav .site-nav-links .online-widget {
        width: 100%;
        justify-content: center;
    }

    nav.app-header.navbar .navbar-menu .nav-btn-secondary,
    nav.app-header.navbar .navbar-menu .nav-btn-login,
    nav.app-header.site-nav .site-nav-links .nav-btn-login {
        flex: 1 1 auto;
        min-width: min(100%, 120px);
    }

    nav.app-header.navbar .navbar-menu .btn:not(.nav-chip):not(.sections-dropdown__summary) {
        flex: 0 1 auto;
        min-width: min(100%, 110px);
        justify-content: center;
    }

    nav.app-header a.user-info {
        max-width: 100%;
    }
}

body.theme-page-idle *,
body.theme-page-idle *::before,
body.theme-page-idle *::after {
    animation-play-state: paused !important;
    transition-duration: 0.01ms !important;
}

body.theme-media-active .gradient-blob,
body.theme-media-active .scene .gradient-blob,
body.theme-media-active .online-indicator,
body.theme-media-active .online-dot,
body.theme-media-active .adult-warning-icon,
body.theme-media-active .spam-warning-icon {
    animation: none !important;
}

body.theme-page-idle .content-loader,
body.theme-page-idle .content-loader *,
body.theme-page-idle .content-loader *::before,
body.theme-page-idle .content-loader *::after,
body.theme-page-idle .files-loader,
body.theme-page-idle .files-loader *,
body.theme-page-idle .files-loader *::before,
body.theme-page-idle .files-loader *::after,
body.theme-page-idle .preview-loader,
body.theme-page-idle .preview-loader::before,
body.theme-page-idle .preview-loader::after,
body.theme-page-idle .loading-spinner,
body.theme-page-idle .loading-spinner::before,
body.theme-page-idle .loading-spinner::after,
body.theme-page-idle .preview-loading,
body.theme-page-idle .preview-loading *,
body.theme-page-idle .preview-loading *::before,
body.theme-page-idle .preview-loading *::after {
    animation-play-state: running !important;
}

body.theme-page-idle .content-loader,
body.theme-page-idle .content-loader .loader-text,
body.theme-page-idle .files-loader,
body.theme-page-idle .files-loader .loader-text,
body.theme-page-idle .preview-loading,
body.theme-page-idle .preview-loading .preview-loading-text {
    transition-duration: 0.4s !important;
}

body.theme-media-active .gradient-blob,
body.theme-media-active .admin-app .gradient-blob {
    filter: blur(36px) !important;
    opacity: 0.22 !important;
}

body.theme-media-active nav.app-header,
body.theme-media-active .upload-section,
body.theme-media-active .files-section,
body.theme-media-active .file-card,
body.theme-media-active .adult-warning,
body.theme-media-active .spam-warning {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
}

@media (prefers-reduced-transparency: reduce), (forced-colors: active), (update: slow) {
    .scene .gradient-blob {
        display: none !important;
    }

    nav.app-header,
    .upload-section,
    .files-section,
    .file-card,
    .adult-warning,
    .spam-warning {
        -webkit-backdrop-filter: none !important;
        backdrop-filter: none !important;
    }
}