:root{--bg: #f7f7f8;--panel: #ffffff;--border: #e5e5e8;--text: #1f2024;--muted: #8a8d96;--accent: #636efa;--accent-soft: #eef0ff;--user-bubble: #636efa;--assistant-bubble: #ffffff;--danger: #e5484d;--code-bg: #1e1e2e;--radius: 12px;--sidebar-w: 260px}[data-theme=dark]{--bg: #16171b;--panel: #1f2024;--border: #2e3036;--text: #e8e9ec;--muted: #9498a3;--accent: #7c87ff;--accent-soft: #2a2d44;--user-bubble: #5560e0;--assistant-bubble: #26272c;--danger: #f0676b;--code-bg: #0f0f17}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg);font-size:15px}.demo-banner{position:fixed;top:0;left:0;right:0;z-index:1000;height:34px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;text-align:center;padding:0 12px;background:#fde68a;color:#7c4a03;border-bottom:1px solid #f2c94c}[data-theme=dark] .demo-banner{background:#4a3b12;color:#ffe29a;border-bottom-color:#6b5420}.login-screen{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-soft),var(--bg))}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:40px 36px;width:340px;display:flex;flex-direction:column;gap:12px;box-shadow:0 8px 40px #00000014;text-align:center}.login-logo{width:100%;height:auto;object-fit:contain;align-self:stretch;margin-bottom:10px;background:#fff;padding:16px;border-radius:12px}.login-card h1{margin:0;font-size:26px}.login-sub{margin:0 0 12px;color:var(--muted);font-size:14px}.login-card input{padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius);font-size:15px;outline:none}.login-card input:focus{border-color:var(--accent)}.login-card button{margin-top:6px;padding:11px;border:none;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer}.login-card button:hover{filter:brightness(1.05)}.login-error{color:var(--danger);font-size:13px;min-height:16px}.app{display:flex;height:100vh;height:100dvh;overflow:hidden}.sidebar{flex:0 0 var(--sidebar-w);width:var(--sidebar-w);background:var(--panel);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0;transition:flex-basis .2s ease,width .2s ease}.sidebar:not(.open){flex-basis:0;width:0}.sidebar-left{border-right:1px solid var(--border)}.sidebar-right{border-left:1px solid var(--border);position:relative}.sidebar-resize-handle{position:absolute;top:0;bottom:0;left:0;width:5px;cursor:col-resize;z-index:5}.sidebar-resize-handle:hover,.sidebar-resize-handle:active{background:var(--accent-soft)}.sidebar-header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border-bottom:1px solid var(--border)}.header-actions{display:flex;align-items:center;gap:2px;flex-shrink:0}.brand{font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;min-width:0}.icon-btn{border:none;background:transparent;cursor:pointer;font-size:17px;color:var(--muted);padding:4px 8px;border-radius:8px;line-height:1}.icon-btn:hover{background:var(--bg);color:var(--text)}.link-btn{border:none;background:none;color:var(--accent);cursor:pointer;font:inherit;padding:0;text-decoration:underline}.thread-search{display:flex;align-items:center;gap:6px;margin:8px 12px 0;padding:6px 10px;border:1px solid var(--border);border-radius:10px;background:var(--bg)}.thread-search:focus-within{border-color:var(--accent)}.thread-search-icon{font-size:13px;opacity:.6}.thread-search input{flex:1;border:none;background:none;outline:none;font:inherit;font-size:13px;color:var(--text);min-width:0}.thread-search-clear{border:none;background:none;cursor:pointer;color:var(--muted);font-size:12px}.thread-list{flex:1;overflow-y:auto;padding:8px}.thread-group+.thread-group{margin-top:8px}.thread-group-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:6px 10px 2px}.thread-item{display:flex;align-items:center;gap:6px;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--text)}.thread-item:hover{background:var(--bg)}.thread-item.active{background:var(--accent-soft);color:var(--accent);font-weight:500}.thread-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-actions{display:flex;gap:0;opacity:0;flex-shrink:0}.thread-item:hover .thread-actions{opacity:1}.thread-actions .icon-btn{font-size:13px;padding:2px 5px}.thread-actions .icon-btn:last-child:hover{color:var(--danger)}.thread-rename-input{flex:1;border:1px solid var(--accent);border-radius:6px;padding:4px 6px;font:inherit;font-size:14px;background:var(--panel);color:var(--text);outline:none;min-width:0}.chat-area{display:flex;flex-direction:column;flex:1;min-width:0;overflow:hidden;position:relative;--thread-width: min(48rem, 100vw)}.messages{flex:1;overflow-y:auto;padding:64px 0 28px}.msg-row{display:flex;width:var(--thread-width);margin:0 auto;padding:6px 24px}.msg-row.user{justify-content:flex-end}.msg-row.assistant{justify-content:flex-start}.bubble{max-width:760px;padding:12px 16px;border-radius:14px;line-height:1.5;word-wrap:break-word;overflow-wrap:anywhere}.msg-row.user .bubble{background:var(--user-bubble);color:#fff;border-bottom-right-radius:4px}.msg-row.assistant .bubble{background:var(--assistant-bubble);border:1px solid var(--border);border-bottom-left-radius:4px}.bubble p:first-child{margin-top:0}.bubble p:last-child{margin-bottom:0}.bubble pre{background:var(--code-bg);color:#eee;padding:12px;border-radius:8px;overflow-x:auto;font-size:13px}.bubble code{font-family:ui-monospace,monospace}.bubble :not(pre)>code{background:#0000000f;padding:1px 5px;border-radius:4px;font-size:.9em}.msg-row.user .bubble :not(pre)>code{background:#fff3}.bubble table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}.bubble th,.bubble td{border:1px solid var(--border);padding:6px 10px;text-align:left}.bubble th{background:var(--bg)}.author{font-size:12px;color:var(--muted);width:var(--thread-width);margin:0 auto 2px;padding:0 24px}.author.user{text-align:right}.msg-row.assistant{align-items:flex-end;gap:4px}.msg-copy{font-size:14px;padding:4px 6px;opacity:0;transition:opacity .15s;flex-shrink:0}.msg-row.assistant:hover .msg-copy{opacity:.7}.msg-copy:hover{opacity:1!important}.scroll-bottom{position:absolute;left:50%;transform:translate(-50%);bottom:96px;z-index:8;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;font-size:16px;box-shadow:0 4px 16px #00000026}.scroll-bottom:hover{background:var(--bg)}.chart,.chart-block{margin-top:10px}.chart-table-toggle{margin-top:6px;font-size:12px;color:var(--text);background:none;border:1px solid var(--border);border-radius:8px;padding:4px 10px;cursor:pointer}.chart-table-toggle:hover{background:var(--bg)}.chart-table-wrap{overflow-x:auto}.chart-table{width:100%;border-collapse:collapse;font-size:13px}.chart-table th,.chart-table td{border:1px solid var(--border);padding:6px 10px;text-align:left}.chart-table th{background:var(--bg)}.pdf-link{display:inline-flex;align-items:center;gap:6px;margin-top:10px;padding:8px 12px;background:var(--accent-soft);color:var(--accent);border-radius:8px;text-decoration:none;font-size:14px;font-weight:500}.pdf-link:hover{filter:brightness(.97)}.typing{display:inline-flex;gap:4px;padding:4px 0}.typing span{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite both}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}.welcome{max-width:620px;margin:24px auto;padding:0 20px;text-align:center;color:var(--muted)}.welcome h2{color:var(--text);margin-bottom:6px}.welcome-lead{font-size:15px;line-height:1.55}.welcome-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0 8px;text-align:left}.welcome-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;font-size:13px;display:flex;flex-direction:column;gap:2px}.welcome-card b{color:var(--text)}.welcome-card span{font-size:12px}.welcome-card--wide{grid-column:1 / -1}.welcome-examples-title{margin:22px 0 8px;font-size:13px;font-weight:600;color:var(--text)}.welcome-examples{display:flex;flex-direction:column;gap:8px;text-align:left}.welcome-example{border:1px solid var(--border);background:var(--panel);border-radius:10px;padding:10px 14px;font:inherit;font-size:13px;color:var(--text);cursor:pointer;transition:border-color .15s,background .15s}.welcome-example:hover{border-color:var(--accent);background:var(--accent-soft)}.welcome-hint{margin-top:20px;font-size:12px}@media (max-width: 600px){.welcome-cards{grid-template-columns:1fr}.composer{padding:8px 12px max(14px,env(safe-area-inset-bottom,0px))}.messages{padding-top:52px}}.composer{display:flex;align-items:flex-end;gap:8px;width:var(--thread-width);margin:0 auto;padding:10px 24px max(20px,env(safe-area-inset-bottom,0px))}.chat-input{flex:1;resize:none;border:1px solid var(--border);border-radius:14px;padding:11px 14px;font:inherit;max-height:180px;outline:none;background:var(--panel);color:var(--text)}.chat-input:focus{border-color:var(--accent)}.mic-btn{flex-shrink:0}.mic-btn--active{color:var(--danger);animation:mic-pulse 1.2s ease-in-out infinite}@keyframes mic-pulse{0%,to{box-shadow:0 0 #e5484d66}50%{box-shadow:0 0 0 8px #e5484d00}}.send-btn{border:none;background:var(--accent);color:#fff;cursor:pointer;width:40px;height:40px;border-radius:50%;font-size:16px;flex-shrink:0}.send-btn:disabled{opacity:.4;cursor:default}.attachments{width:var(--thread-width);margin:0 auto;padding:0 24px 6px;display:flex;flex-wrap:wrap;gap:6px}.chip{background:var(--accent-soft);color:var(--accent);font-size:12px;padding:4px 8px;border-radius:999px;display:inline-flex;gap:6px;align-items:center}.chip button{border:none;background:none;cursor:pointer;color:inherit;font-size:13px}.drop-hint{position:absolute;top:0;right:0;bottom:0;left:0;z-index:5;display:flex;align-items:center;justify-content:center;background:#636efa14;border:2px dashed var(--accent);color:var(--accent);font-weight:600;font-size:18px;pointer-events:none}.upload-zone{margin:12px;padding:16px 12px;border:1.5px dashed var(--border);border-radius:var(--radius);text-align:center;font-size:13px;color:var(--muted)}.upload-zone.dragover{border-color:var(--accent);background:var(--accent-soft)}.upload-formats{margin-top:6px;font-size:11px;color:var(--muted)}.file-list{flex:1;overflow-y:auto;padding:4px 12px 12px}.file-card{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;font-size:13px}.file-card:hover{background:var(--bg)}.file-icon{font-size:20px;flex-shrink:0}.file-info{flex:1;min-width:0}.file-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.file-meta{color:var(--muted);font-size:11px}.file-actions{display:flex;gap:2px;opacity:0}.file-card:hover .file-actions{opacity:1}.empty{text-align:center;color:var(--muted);font-size:13px;padding:20px 8px}.floating-controls{position:absolute;top:10px;z-index:10;display:flex;align-items:center;gap:4px}.floating-right{right:14px}.floating-left{left:14px}.user-menu{position:relative}.user-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:10}.user-menu-pop{position:absolute;top:calc(100% + 6px);right:0;z-index:11;background:var(--panel);border:1px solid var(--border);border-radius:10px;box-shadow:0 6px 24px #0000001f;min-width:180px;padding:6px;overflow:hidden}.user-menu-name{padding:8px 10px;font-size:13px;color:var(--muted);border-bottom:1px solid var(--border);margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-item{display:block;width:100%;text-align:left;border:none;background:none;padding:8px 10px;border-radius:7px;font:inherit;color:var(--text);cursor:pointer}.user-menu-item:hover{background:var(--bg)}.mobile-backdrop{display:none}@media (max-width: 900px){.header-actions .icon-btn[title^=Amagar]{display:none}.sidebar{position:fixed;top:0;bottom:0;z-index:30;flex-basis:auto!important;width:min(82vw,var(--sidebar-w))!important;transition:transform .25s ease;box-shadow:0 0 40px #0000002e}.sidebar-left{left:0;transform:translate(-100%)}.sidebar-right{right:0;transform:translate(100%)}.sidebar.open{transform:translate(0)}.sidebar-resize-handle{display:none}.mobile-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;background:#00000059;animation:fade-in .2s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;background:#0006;padding:20px;animation:fade-in .15s ease}.dialog{background:var(--panel);border-radius:14px;max-width:560px;width:100%;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #0000004d}.dialog-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--border)}.dialog-header h2{font-size:16px;color:var(--text);margin:0}.dialog-body{padding:16px 20px 22px;overflow-y:auto;color:var(--text);font-size:14px;line-height:1.55}.dialog-body h3{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:18px 0 8px}.dialog-body ul{margin:0;padding-left:20px}.dialog-body li{margin-bottom:6px}.dialog-body pre{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 12px;margin:6px 0;font-size:13px;white-space:pre-wrap;font-family:ui-monospace,monospace;color:var(--text)}.dialog-note{margin-top:18px;font-size:12px;color:var(--muted);font-style:italic}