:root{--bg-app: #051316;--bg-panel: #0a2226;--bg-input: #123339;--bg-msg-out: #0e5159;--bg-msg-in: #0d2c30;--bg-hover: rgba(45, 212, 191, .08);--bg-active: rgba(45, 212, 191, .15);--accent: #f39c12;--accent-hover:#e67e22;--accent-glow: rgba(243, 156, 18, .35);--green: #10b981;--red: #ef4444;--text: #e2f1f1;--text-sub: #7fa1a6;--text-muted: #4a7075;--border: rgba(45, 212, 191, .08);--border-input:rgba(45, 212, 191, .18);--r-sm: 8px;--r-md: 12px;--r-lg: 18px;--r-xl: 22px;--safe-t: env(safe-area-inset-top, 0px);--safe-b: env(safe-area-inset-bottom, 0px);--safe-l: env(safe-area-inset-left, 0px);--safe-r: env(safe-area-inset-right, 0px);--keyboard-height: 0px;--glass-bg: rgba(10, 34, 38, .75);--glass-border: rgba(45, 212, 191, .12);--glass-blur: 16px;--topbar-height: 56px;--pinned-height: 0px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;background:var(--bg-app);color:var(--text);height:100dvh;overflow:hidden;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px}.tg-input{width:100%;background:var(--bg-input);border:1px solid var(--border-input);color:var(--text);border-radius:var(--r-sm);padding:11px 14px;font-size:15px;outline:none;transition:border-color .18s;font-family:inherit}.tg-input:focus{border-color:var(--accent)}.tg-input::placeholder{color:var(--text-sub)}.tg-btn{width:100%;background:var(--accent);color:#fff;border:none;border-radius:var(--r-sm);padding:12px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .18s,box-shadow .18s;font-family:inherit}.tg-btn:hover{background:var(--accent-hover);box-shadow:0 4px 16px var(--accent-glow)}.tg-btn:active{filter:brightness(.92)}.icon-btn{background:none;border:none;color:var(--text-sub);padding:8px;border-radius:var(--r-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .14s,color .14s;flex-shrink:0}.icon-btn:hover{background:var(--bg-hover);color:var(--text)}.icon-btn.danger:hover{color:var(--red);background:rgba(231,76,60,.12)}.app-container{display:flex;width:100vw;height:var(--vv-height, 100dvh);background:var(--bg-app)}.sidebar{width:360px;min-width:360px;display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--border);height:100%;overflow:hidden}.sidebar-header{padding:calc(var(--safe-t) + 10px) 12px 10px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;min-height:calc(var(--safe-t) + 58px);flex-shrink:0}.sidebar-title{font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.sidebar-subtitle{font-size:12px;color:var(--green);margin-top:1px}.chat-list{flex:1;overflow-y:auto}.chat-item{display:flex;align-items:center;gap:12px;padding:10px 14px;cursor:pointer;transition:background .12s}.chat-item:hover{background:var(--bg-hover)}.chat-item.active{background:var(--bg-active)}.chat-item-info{flex:1;overflow:hidden;min-width:0}.chat-item-row{display:flex;align-items:baseline;justify-content:space-between;gap:4px}.chat-item-name{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-item-time{font-size:12px;color:var(--text-sub);flex-shrink:0}.chat-item-preview{font-size:13px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.badge{background:var(--accent);color:#fff;border-radius:10px;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.add-contact-form{padding:10px 14px;display:flex;flex-direction:column;gap:8px;border-bottom:1px solid var(--border);background:var(--bg-panel)}.chat-area{flex:1;display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--bg-app);min-width:0}.chat-window{display:flex;flex-direction:column;height:100%;overflow:hidden;transition:height .12s ease;width:100%;min-width:0}.chat-header{padding:calc(var(--safe-t) + 8px) 12px 8px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;min-height:calc(var(--safe-t) + var(--topbar-height));background:var(--bg-panel);flex-shrink:0;z-index:20}.glass-header{background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--glass-border);position:sticky;top:0}.chat-header-info{flex:1;overflow:hidden;min-width:0}.chat-header-name{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-status{font-size:12px;display:flex;align-items:center;gap:4px}@keyframes typing-bounce{0%,80%,to{transform:translateY(0);opacity:.4}40%{transform:translateY(-4px);opacity:1}}.typing-dots{display:inline-flex;align-items:center;gap:2px;margin-left:2px}.typing-dots span{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--accent);animation:typing-bounce 1.2s infinite}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}.messages-container{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:3px}.message-bubble{max-width:72%;padding:7px 12px 4px;border-radius:var(--r-xl);line-height:1.5;font-size:14.5px;word-break:break-word;animation:msgIn .14s ease 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16px;color:var(--text);font-size:15px;outline:none;font-family:inherit;transition:border-color .18s;line-height:1.4}.composer-input:focus{border-color:var(--accent)}.composer-input::placeholder{color:var(--text-sub)}.send-btn{width:40px;height:40px;background:var(--accent);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .18s,transform .1s;flex-shrink:0}.send-btn:hover{background:var(--accent-hover)}.send-btn:active{transform:scale(.9)}.drawer{position:absolute;bottom:100%;left:0;margin-bottom:8px;width:300px;height:200px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-md);z-index:200;padding:10px;display:flex;flex-direction:column;box-shadow:0 8px 32px #00000080}.drawer-grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(6,1fr);gap:4px}.sticker-grid{grid-template-columns:repeat(4,1fr)}.grid-item{font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:6px;padding:4px;transition:background .1s}.grid-item:hover{background:var(--bg-hover)}.avatar{border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;overflow:hidden;-webkit-user-select:none;user-select:none}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-upload{cursor:pointer;position:relative}.avatar-upload:hover:after{content:"✎";position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.4);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px}.auth-barrier{width:100vw;height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-app)}.auth-card{width:100%;max-width:380px;background:var(--bg-panel);border-radius:var(--r-xl);padding:40px 32px;text-align:center;display:flex;flex-direction:column;gap:14px}.logo-text{font-size:30px;font-weight:800;background:linear-gradient(135deg,#fff 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.78);z-index:500;display:flex;align-items:center;justify-content:center;padding:calc(var(--safe-t) + 20px) 20px calc(var(--safe-b) + 20px)}.modal-card{width:100%;max-width:400px;background:var(--bg-panel);border-radius:var(--r-xl);padding:24px;display:flex;flex-direction:column;gap:18px;max-height:calc(100dvh - var(--safe-t) - var(--safe-b) - 40px);overflow-y:auto}.modal-title{font-size:17px;font-weight:700}.empty-state{padding:48px 24px;text-align:center;color:var(--text-sub);font-size:14px;line-height:1.6}.recording-indicator{display:flex;align-items:center;gap:6px;background:rgba(231,76,60,.18);padding:6px 12px;border-radius:16px}#qr-reader-el video{width:100%!important;border-radius:8px}#qr-reader-el__scan_region{border:none!important}#qr-reader-el__dashboard{display:none!important}@media (max-width: 768px){.sidebar{width:100%;min-width:unset;border-right:none}.sidebar.hidden,.chat-area.hidden{display:none}.message-bubble{max-width:85%}}.presence-dot{position:absolute;bottom:1px;right:1px;width:11px;height:11px;border-radius:50%;border:2px solid var(--bg-panel);pointer-events:none;transition:background .3s}.presence-dot[data-online=true]{box-shadow:0 0 8px #2dd4bf,0 0 3px #2dd4bf}.chat-header-clickable{flex:1;display:flex;align-items:center;gap:10px;cursor:pointer;border-radius:var(--r-sm);padding:4px 6px;margin:-4px -6px;transition:background .14s;min-width:0;overflow:hidden}.chat-header-clickable:hover{background:var(--bg-hover)}.reply-preview{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.04);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-left:3px solid var(--accent);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:6px 10px;margin-bottom:4px}.reply-preview-body{flex:1;display:flex;flex-direction:column;gap:1px;min-width:0;overflow:hidden}.reply-preview-sender{font-size:12px;font-weight:600;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-preview-text{font-size:12px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-quote{display:flex;flex-direction:column;gap:2px;background:rgba(255,255,255,.07);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;padding:5px 8px;margin-bottom:6px;font-size:12px}.reply-quote-sender{font-weight:600;color:var(--accent);display:block}.reply-quote-text{color:#e8f4fda6;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}.input-bar{display:flex;align-items:center;gap:6px}.input-pill{flex:1;display:flex;align-items:center;background:var(--bg-input);border:1px solid var(--border-input);border-radius:22px;padding:4px 8px 4px 4px;gap:2px;transition:border-color .18s;min-width:0;overflow:hidden}.input-pill:focus-within{border-color:var(--accent)}.input-pill .composer-input{flex:1;background:none;border:none;border-radius:0;padding:6px 8px}.input-pill .composer-input:focus{border-color:transparent}.reply-trigger{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:0 2px;display:flex;align-items:center;opacity:0;transition:opacity .15s,color .15s;flex-shrink:0}.message-bubble:hover .reply-trigger{opacity:1}.reply-trigger:hover{color:var(--accent)}.pending-message{opacity:.65;border:1px dashed rgba(255,255,255,.15)}.profile-panel-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:400;background:rgba(0,0,0,.45);display:flex;justify-content:flex-end}.profile-panel{width:340px;max-width:100vw;height:100%;background:var(--bg-panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;animation:slideInRight .22s ease}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.profile-panel-header{display:flex;align-items:center;justify-content:space-between;padding:calc(var(--safe-t) + 10px) 14px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.profile-panel-hero{display:flex;flex-direction:column;align-items:center;gap:6px;padding:24px 20px 16px;flex-shrink:0}.profile-hero-name{font-size:18px;font-weight:700;text-align:center}.profile-hero-status{font-size:13px;text-align:center}.profile-privacy-badge{display:flex;align-items:center;gap:5px;background:rgba(82,136,193,.12);border:1px solid rgba(82,136,193,.25);border-radius:20px;padding:4px 10px;font-size:11px;color:var(--accent);margin-top:4px}.media-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0}.media-tab-btn{flex:1;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-sub);padding:10px 4px;font-size:12px;font-family:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;transition:color .15s,border-color .15s}.media-tab-btn:hover{color:var(--text);background:var(--bg-hover)}.media-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.profile-panel-body{flex:1;overflow-y:auto;padding:12px}.profile-empty{padding:40px 20px;text-align:center;color:var(--text-sub);font-size:13px}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.media-thumb{aspect-ratio:1;border-radius:6px;overflow:hidden;display:block;background:var(--bg-input);position:relative;cursor:pointer;transition:filter .15s}.media-thumb:hover{filter:brightness(.8)}.media-thumb-placeholder{aspect-ratio:1;border-radius:6px;background:var(--bg-input);animation:pulse 1.5s ease-in-out infinite}.media-thumb-play{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:22px;background:rgba(0,0,0,.35);color:#fff}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.file-list{display:flex;flex-direction:column;gap:2px}.file-list-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-sm);transition:background .12s}.file-list-item:hover{background:var(--bg-hover)}.file-list-name{flex:1;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.voice-list{display:flex;flex-direction:column;gap:6px}.voice-list-item{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--bg-input);border-radius:var(--r-sm)}.voice-list-time{font-size:11px;color:var(--text-sub);flex-shrink:0}.settings-list{display:flex;flex-direction:column;gap:4px}.settings-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);background:var(--bg-input);border:1px solid var(--border);cursor:pointer;transition:background .14s,border-color .14s;width:100%;text-align:left;font-family:inherit;color:var(--text)}.settings-item:hover{background:var(--bg-hover);border-color:var(--border-input)}.settings-item-body{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.settings-item-title{font-size:14px;font-weight:600}.settings-item-sub{font-size:12px;color:var(--text-sub)}.photo-thumb{max-width:100%;border-radius:10px;max-height:240px;display:block;cursor:zoom-in;transition:filter .15s}.photo-thumb:hover{filter:brightness(.88)}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:rgba(0,0,0,.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:center;animation:fadeIn .18s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.lightbox-toolbar{position:absolute;top:calc(var(--safe-t) + 16px);right:16px;display:flex;gap:8px;z-index:1001}.lightbox-btn{background:rgba(255,255,255,.12);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);color:#fff;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,transform .1s}.lightbox-btn:hover{background:rgba(255,255,255,.22)}.lightbox-btn:active{transform:scale(.9)}.lightbox-content{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.lightbox-image{max-width:95vw;max-height:90dvh;border-radius:8px;object-fit:contain;-webkit-user-select:none;user-select:none;pointer-events:none}.lightbox-scale-hint{position:absolute;bottom:calc(var(--safe-b) + 20px);left:50%;transform:translate(-50%);background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#ffffffb3;font-size:12px;padding:4px 12px;border-radius:20px;pointer-events:none}.pinned-bar{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--glass-border);cursor:pointer;transition:background .14s;flex-shrink:0;z-index:15;border-left:3px solid var(--accent)}.pinned-bar:hover{background:rgba(23,33,43,.88)}.pinned-bar-icon{color:var(--accent);flex-shrink:0}.pinned-bar-body{flex:1;overflow:hidden;display:flex;flex-direction:column;gap:1px}.pinned-bar-label{font-size:11px;color:var(--accent);font-weight:600}.pinned-bar-text{font-size:13px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pinned-bar-close{color:var(--text-muted)}.pinned-bubble{border:1px solid rgba(82,136,193,.25)}.date-separator{display:flex;align-items:center;justify-content:center;padding:8px 0;position:sticky;top:0;z-index:10;pointer-events:none}.date-separator-label{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);color:var(--text-sub);font-size:12px;font-weight:500;padding:4px 14px;border-radius:20px;-webkit-user-select:none;user-select:none}.ctx-menu{position:fixed;z-index:600;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--r-md);box-shadow:0 8px 32px #0000008c;min-width:180px;overflow:hidden;animation:ctxIn .12s ease}@keyframes ctxIn{0%{opacity:0;transform:scale(.92) translateY(-4px)}to{opacity:1;transform:scale(1) translateY(0)}}.ctx-menu-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px 6px;font-size:12px;font-weight:600;color:var(--text-sub);border-bottom:1px solid var(--border)}.ctx-menu-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 14px;background:none;border:none;color:var(--text);font-size:14px;font-family:inherit;cursor:pointer;text-align:left;transition:background .12s}.ctx-menu-item:hover{background:var(--bg-hover)}.ctx-menu-item.active{color:var(--accent);background:rgba(82,136,193,.1)}.ctx-menu-item.active:after{content:"✓";margin-left:auto;font-weight:700}.search-panel{display:flex;flex-direction:column;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--glass-border);flex:1;overflow:hidden}.search-panel-header{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}.search-panel-input{flex:1;background:none;border:none;color:var(--text);font-size:15px;font-family:inherit;outline:none}.search-panel-input::placeholder{color:var(--text-sub)}.search-tags-row{display:flex;gap:6px;padding:8px 14px;overflow-x:auto;scrollbar-width:none;flex-shrink:0;border-bottom:1px solid var(--border)}.search-tags-row::-webkit-scrollbar{display:none}.search-tag-chip{display:flex;align-items:center;gap:4px;padding:4px 10px;background:var(--bg-input);border:1px solid var(--border-input);border-radius:20px;color:var(--text-sub);font-size:12px;font-family:inherit;white-space:nowrap;cursor:pointer;transition:background .14s,color .14s,border-color .14s;flex-shrink:0}.search-tag-chip:hover{color:var(--text);border-color:var(--accent)}.search-tag-chip.active{background:rgba(82,136,193,.18);color:var(--accent);border-color:var(--accent)}.search-tag-chip.sm{padding:2px 7px;font-size:11px;background:rgba(82,136,193,.12);color:var(--accent);border-color:transparent}.search-results{flex:1;overflow-y:auto;display:flex;flex-direction:column}.search-hint{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:32px 20px;color:var(--text-sub);font-size:13px}.search-result-item{display:flex;flex-direction:column;gap:3px;padding:10px 14px;background:none;border:none;border-bottom:1px solid var(--border);cursor:pointer;text-align:left;font-family:inherit;transition:background .12s;width:100%}.search-result-item:hover{background:var(--bg-hover)}.search-result-sender{font-size:12px;font-weight:600;color:var(--accent)}.search-result-text{font-size:13px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-time{font-size:11px;color:var(--text-muted)}.search-result-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:2px}.bubble-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:4px}.bubble-tag{font-size:11px;color:var(--accent);background:rgba(82,136,193,.15);border-radius:10px;padding:2px 8px}.glass-reply{background:rgba(23,33,43,.8)!important;backdrop-filter:blur(16px)!important;-webkit-backdrop-filter:blur(16px)!important;border:1px solid var(--glass-border);border-left:3px solid var(--accent);border-radius:0 var(--r-sm) var(--r-sm) 0}@keyframes highlightFlash{0%{background:rgba(82,136,193,.35)}to{background:transparent}}.highlight-flash{animation:highlightFlash 1.2s ease;border-radius:var(--r-xl)}.sidebar{transition:width .3s cubic-bezier(.4,0,.2,1),min-width .3s cubic-bezier(.4,0,.2,1)}.sidebar.minified{width:72px;min-width:72px}.sidebar.minified .sidebar-title,.sidebar.minified .sidebar-subtitle,.sidebar.minified .chat-item-info,.sidebar.minified .sidebar-header button:not(.collapse-toggle),.sidebar.minified .add-contact-form,.sidebar.minified .empty-state{display:none!important}.sidebar.minified .sidebar-header{justify-content:center;padding:calc(var(--safe-t) + 10px) 0 10px}.sidebar.minified .chat-item{justify-content:center;padding:10px 0}.bottom-nav{display:flex;background:var(--bg-panel);border-top:1px solid var(--border);height:56px;align-items:center;justify-content:space-around;padding-bottom:var(--safe-b);z-index:100}.bottom-nav-btn{background:none;border:none;color:var(--text-sub);display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-family:inherit;cursor:pointer;padding:6px 12px;transition:color .15s}.bottom-nav-btn:hover{color:var(--text)}.bottom-nav-btn.active{color:var(--accent)}@media (max-width: 768px){.app-container{flex-direction:column}.sidebar,.chat-area{height:100%}}.photo-thumb,.video-thumb-preview{width:192px;height:192px;object-fit:cover;border-radius:var(--r-md);display:block;cursor:zoom-in;transition:filter .15s,transform .15s}.photo-thumb:hover,.video-thumb-preview:hover{filter:brightness(.9);transform:scale(1.02)}.welcome-bg-canvas{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;opacity:.25}.welcome-container{position:relative;width:100vw;height:100dvh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at center,#0a2f35 0%,#051316 100%);overflow:hidden}.welcome-card-glass{background:rgba(10,34,38,.7);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border:1px solid rgba(45,212,191,.15);box-shadow:0 16px 48px #0009;z-index:10}.eula-scroll-box{background:var(--bg-app);border:1px solid var(--border-input);border-radius:var(--r-sm);padding:12px;max-height:140px;overflow-y:auto;font-size:11px;color:var(--text-sub);text-align:left;line-height:1.4;margin-top:6px}.eula-checkbox-container{display:flex;align-items:flex-start;gap:8px;font-size:12px;color:var(--text);text-align:left;cursor:pointer;-webkit-user-select:none;user-select:none}.eula-checkbox-container input{margin-top:2px;cursor:pointer}.eula-link{color:var(--accent);text-decoration:underline;cursor:pointer}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin{animation:spin 1s linear infinite}