:root{--glass-blur: blur(40px) saturate(180%);--glass-blur-light: blur(24px) saturate(160%);--glass-bg: rgba(255, 255, 255, .42);--glass-bg-strong: rgba(255, 255, 255, .58);--glass-bg-sidebar: rgba(28, 32, 48, .52);--glass-border: rgba(255, 255, 255, .55);--glass-border-subtle: rgba(255, 255, 255, .28);--glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .72);--glass-shadow: 0 8px 32px rgba(15, 23, 42, .1), 0 2px 8px rgba(15, 23, 42, .04);--glass-shadow-lg: 0 24px 64px rgba(15, 23, 42, .14), 0 8px 24px rgba(15, 23, 42, .06);--bg: #e8eef8;--sidebar-text: rgba(255, 255, 255, .92);--sidebar-muted: rgba(255, 255, 255, .52);--accent: #3b82f6;--accent-hover: #2563eb;--accent-glow: rgba(59, 130, 246, .35);--text: #0f172a;--muted: rgba(15, 23, 42, .55);--bubble: rgba(255, 255, 255, .55);--bubble-self: rgba(59, 130, 246, .22);--danger: #ef4444;--radius: 16px;--radius-lg: 22px;--radius-pill: 999px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe 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.file-preview-modal{flex:1;display:flex;flex-direction:column;min-height:0;width:100%;max-width:none;border-radius:0;background:#111827;color:#fff}.swipe-sheet .file-preview-body{flex:1;min-height:0;overflow:auto}.search-panel{width:min(640px,92vw);background:var(--glass-bg-strong);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:20px;padding:20px;box-shadow:var(--glass-shadow-lg),var(--glass-highlight)}.search-panel input{width:100%;padding:12px 14px;border:1px solid var(--glass-border-subtle);border-radius:12px;margin-bottom:12px;background:#ffffff8c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.search-panel input:focus{outline:none;border-color:#3b82f673;box-shadow:0 0 0 4px #3b82f61a}.search-result{padding:11px 12px;border-bottom:1px solid var(--glass-border-subtle);border-radius:10px;cursor:pointer;transition:background .15s ease}.search-result:hover{background:#ffffff73}.search-result .snippet{color:var(--muted);font-size:.9rem}.toolbar{margin-left:auto;display:flex;gap:8px}.mobile-menu{background:#ffffff73;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--glass-border-subtle);border-radius:10px;padding:6px 10px}.hint{color:var(--muted);font-size:.88rem;margin:6px 0}@media(max-width:900px){.app-shell{grid-template-columns:1fr;padding:0;gap:0}.main{border-radius:0;border-left:none;border-right:none}.sidebar{display:none}.sidebar.open{display:flex;position:fixed;top:0;right:0;bottom:0;left:0;width:min(100vw,360px);height:100dvh;z-index:50;border-radius:0;border:none}html.mobile-glass .sidebar.open,html.mobile .sidebar.open{background:#1c2030d1;backdrop-filter:blur(28px) saturate(160%);-webkit-backdrop-filter:blur(28px) saturate(160%)}html.mobile .login-page,.login-page{padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));align-items:center;justify-items:center;min-height:100dvh}html.mobile 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.desktop-install-error{text-align:center}.app-signature{margin-top:8px;font-size:.7rem;line-height:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:center;color:var(--sidebar-muted);text-transform:lowercase}.desktop-update-panel{margin-bottom:8px}.desktop-update-label{font-size:.78rem;color:var(--sidebar-text);margin-bottom:6px;text-align:center}.desktop-update-current{color:var(--sidebar-muted);font-size:.72rem}.desktop-update-rainbow-btn{position:relative;width:100%;border:none;border-radius:12px;padding:10px 14px;font-weight:700;letter-spacing:.02em;color:#0f172a;cursor:pointer;overflow:hidden;isolation:isolate;background:linear-gradient(110deg,#ff0040,#ff7a00,#fe0,#2bff66,#00c8ff,#7a5cff,#ff00c8,#ff0040);background-size:300% 100%;animation:desktop-update-rainbow 2.4s linear infinite;box-shadow:0 8px 22px #00000047;transition:transform .15s ease,filter .15s 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h3{margin:0;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-preview-actions{display:flex;gap:8px;flex-shrink:0;max-width:100%}.file-preview-actions .btn{white-space:nowrap}.file-preview-body{flex:1;min-height:240px;padding:12px;overflow:auto;display:flex;align-items:center;justify-content:center;-webkit-overflow-scrolling:touch}.file-preview-image{max-width:100%;max-height:72vh;border-radius:12px}.file-preview-frame{width:100%;min-height:60vh;border:none;border-radius:12px;background:#fff}.file-preview-fallback{text-align:center;display:flex;flex-direction:column;gap:12px;align-items:center;padding:12px}@media(max-width:640px){.file-preview-header{flex-direction:column;align-items:stretch}.file-preview-actions{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:8px}.file-preview-actions .btn{width:100%;justify-content:center;padding:10px 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.sidebar,html.desktop.desktop-win10 .main,html.desktop.desktop-win10 .login-card,html.desktop.desktop-win10 .chat-header,html.desktop.desktop-win10 .composer-wrap,html.desktop.desktop-win10 .messages{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}html.desktop.desktop-transparent .desktop-shell,html.desktop.desktop-transparent .desktop-frame,html.desktop.desktop-transparent .app-shell{background:transparent!important;outline:none!important;border:none!important;box-shadow:none!important}html.desktop.desktop-win11.desktop-transparent .desktop-shell,html.desktop.desktop-win11.desktop-transparent .desktop-frame,html.desktop.desktop-win11.desktop-transparent .app-shell{background:transparent!important}html.desktop [data-tauri-drag-region]{-webkit-app-region:drag;app-region:drag}html.desktop [data-tauri-drag-region] button,html.desktop [data-tauri-drag-region] input,html.desktop [data-tauri-drag-region] select,html.desktop [data-tauri-drag-region] textarea,html.desktop [data-tauri-drag-region] a,html.desktop [data-tauri-drag-region] .toolbar,html.desktop [data-tauri-drag-region] .toolbar *,html.desktop [data-tauri-drag-region] .group-admin-menu,html.desktop [data-tauri-drag-region] .group-admin-menu *,html.desktop .desktop-window-controls,html.desktop .desktop-window-controls *{-webkit-app-region:no-drag;app-region:no-drag}.desktop-shell{position:relative;display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;background:transparent;--desktop-shadow-alpha: .16;--desktop-shadow-color: 15, 23, 42;--desktop-title-fg: rgba(15, 23, 42, .9);--desktop-title-btn: rgba(15, 23, 42, .72)}html.desktop-backdrop-light .desktop-shell{--desktop-shadow-alpha: .22;--desktop-shadow-color: 15, 23, 42;--desktop-title-fg: rgba(15, 23, 42, .92);--desktop-title-btn: rgba(15, 23, 42, .75)}html.desktop-backdrop-dark .desktop-shell{--desktop-shadow-alpha: .1;--desktop-shadow-color: 0, 0, 0;--desktop-title-fg: rgba(255, 255, 255, .94);--desktop-title-btn: 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