:root{color-scheme:light dark;--bg: #fefdfb;--sidebar: #f8f6f2;--surface: #f3f0ea;--surface-2: #ebe7df;--surface-3: #e1dbd0;--border: #e8e3da;--border-strong: #d3cbbc;--text: #1e1b16;--text-2: #443f38;--muted: #777064;--primary: #1e1b16;--primary-hover: #3a352d;--on-primary: #fefdfb;--accent: #94622d;--accent-soft: #f4eadb;--kraft: #b8875a;--composer: #ffffff;--ok: #2d7a4f;--ok-soft: #e6f3ea;--warn: #8a5a00;--warn-soft: #fff3d1;--danger: #c0392b;--danger-soft: #fcebe8;--scrim: rgba(30, 27, 22, .42);--shadow-sm: 0 1px 2px rgba(60, 45, 20, .06);--shadow-md: 0 4px 16px rgba(60, 45, 20, .07), 0 0 0 1px rgba(60, 45, 20, .03);--shadow-lg: 0 12px 40px rgba(50, 38, 18, .17), 0 0 0 1px rgba(60, 45, 20, .05);--radius: 12px;--radius-sm: 10px;--topbar-h: 54px;--col: 768px;--font: ui-sans-serif, -apple-system, system-ui, "Segoe UI", Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}@media (prefers-color-scheme: dark){:root{--bg: #201f1c;--sidebar: #181715;--surface: #2c2a26;--surface-2: #37342f;--surface-3: #433f39;--border: #34312c;--border-strong: #4d4840;--text: #ece8e0;--text-2: #d0c9bd;--muted: #a29a8c;--primary: #f1ede5;--primary-hover: #d9d3c7;--on-primary: #1e1b16;--accent: #d9a56e;--accent-soft: #3a2e1f;--kraft: #c4935f;--composer: #2c2a26;--ok: #6fcf97;--ok-soft: #1a3024;--warn: #f0c060;--warn-soft: #3a2e10;--danger: #ff8f85;--danger-soft: #3d1e1a;--scrim: rgba(0, 0, 0, .6);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .35);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .06)}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14.5px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--accent)}code{font-family:var(--mono);font-size:.9em}h1{font-size:17px;font-weight:600;margin:0;letter-spacing:-.01em}h2{font-size:16px;font-weight:600;margin:0}h3{font-size:16px;font-weight:600;margin:0 0 8px}p{margin:0 0 8px}button,input,textarea{font:inherit;color:inherit}button{-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:color-mix(in srgb,var(--accent) 25%,transparent)}.muted{color:var(--muted)}.small{font-size:12.5px}.nowrap{white-space:nowrap}.num{text-align:right;font-variant-numeric:tabular-nums}.spacer{flex:1}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}*{scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent}.app{display:flex;height:100dvh;min-height:0;overflow:hidden}.main{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg)}.page{flex:1;min-height:0;display:flex;flex-direction:column}.page-scroll{flex:1;min-height:0;overflow-y:auto;padding:8px 24px 32px}.topbar{flex:0 0 auto;min-height:var(--topbar-h);display:flex;align-items:center;gap:8px;padding:8px 14px 8px 20px}.topbar.plain{padding-left:10px}.topbar-title{display:flex;align-items:center;gap:10px;min-width:0;flex:1}.topbar-actions{display:flex;align-items:center;gap:6px;flex:0 0 auto}.count{font-size:12px;color:var(--muted);background:var(--surface);border-radius:999px;padding:1px 8px;font-variant-numeric:tabular-nums}.resizer{flex:0 0 1px;position:relative;background:var(--border);cursor:col-resize;z-index:5;touch-action:none}.resizer:before{content:"";position:absolute;top:0;right:-5px;bottom:0;left:-5px}.resizer:after{content:"";position:absolute;top:0;right:-1px;bottom:0;left:-1px;background:var(--accent);opacity:0;transition:opacity .12s}.resizer:hover:after,.resizer:focus-visible:after,body.is-resizing .resizer:active:after{opacity:1}.resizer:focus-visible{outline:none}body.is-resizing{cursor:col-resize;-webkit-user-select:none;user-select:none}body.is-resizing iframe{pointer-events:none}.sidebar{flex:0 0 var(--sidebar-w);width:var(--sidebar-w);min-width:0;min-height:0;background:var(--sidebar);display:flex;flex-direction:column;padding:8px;overflow:hidden}.side-head{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:8px;height:40px;padding:0 2px 0 4px;margin-bottom:4px}.brand{display:flex;align-items:center;gap:9px;min-width:0;text-decoration:none;color:var(--text);padding:4px 6px;border-radius:var(--radius-sm)}.brand:hover{background:var(--surface-2)}.brand-mark{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--kraft);color:#fff;display:grid;place-items:center}.brand-name{font-weight:600;font-size:15px;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.side-nav{flex:0 0 auto;display:flex;flex-direction:column;gap:1px}.side-item{position:relative;display:flex;align-items:center;gap:10px;width:100%;height:36px;padding:0 10px;border:none;background:none;border-radius:var(--radius-sm);color:var(--text);text-decoration:none;cursor:pointer;white-space:nowrap;text-align:left}.side-item:hover{background:var(--surface-2)}.side-item.active{background:var(--surface-3)}.side-item>span:not(.side-count):not(.dot){overflow:hidden;text-overflow:ellipsis}.side-count{margin-left:auto;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}.side-item .dot{position:absolute;top:7px;left:23px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px var(--sidebar)}.side-search{flex:0 0 auto;display:flex;align-items:center;gap:8px;height:34px;margin:6px 2px 0;padding:0 10px;border-radius:var(--radius-sm);background:var(--bg);border:1px solid var(--border);color:var(--muted)}.side-search:focus-within{border-color:var(--border-strong)}.side-search input{flex:1;min-width:0;border:none;outline:none;background:transparent;color:var(--text)}.side-scroll{flex:1;min-height:0;overflow-y:auto;margin:10px -8px 0;padding:0 8px 8px}.side-empty{color:var(--muted);font-size:13px;padding:8px 10px}.conv-group+.conv-group{margin-top:14px}.side-label{font-size:12.5px;font-weight:500;color:var(--muted);padding:6px 10px 4px;margin:0}.side-label.inline{display:flex;align-items:center;gap:6px;padding:0 0 8px}.conv{position:relative;display:flex;align-items:center;height:34px;border-radius:var(--radius-sm)}.conv:hover,.conv.menu-open{background:var(--surface-2)}.conv.active{background:var(--surface-3)}.conv-link{flex:1;min-width:0;height:100%;display:flex;align-items:center;padding:0 10px;color:var(--text);text-decoration:none}.conv-link{display:block;line-height:34px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-more{flex:0 0 auto;display:none;align-items:center;justify-content:center;width:28px;height:28px;margin-right:3px;border:none;background:none;border-radius:8px;color:var(--muted);cursor:pointer}.conv:hover .conv-more,.conv.menu-open .conv-more,.conv-more:focus-visible{display:inline-flex}.conv-more:hover{color:var(--text)}.conv-busy{flex:0 0 auto;margin-right:10px;color:var(--muted)}.conv-input{flex:1;min-width:0;height:28px;margin:0 4px;padding:0 6px;border:1px solid var(--accent);border-radius:7px;background:var(--bg);outline:none}.side-card{flex:0 0 auto;margin:6px 2px 0;padding:10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg)}.side-progress+.side-progress{margin-top:8px}.side-progress-name{font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:4px}.side-footer{flex:0 0 auto;display:flex;flex-direction:column;gap:6px;padding:8px 8px 4px;font-size:12.5px;color:var(--muted)}.side-stat{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pulse{flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--border-strong)}.pulse.ok{background:var(--ok)}.side-warning{display:flex;gap:8px;align-items:flex-start;background:var(--warn-soft);color:var(--warn);padding:8px 10px;border-radius:var(--radius-sm);line-height:1.4}.sidebar.collapsed{padding:8px 6px;align-items:center}.sidebar.collapsed .side-head{justify-content:center;padding:0}.sidebar.collapsed .side-nav{width:100%;align-items:center}.sidebar.collapsed .side-item{width:40px;justify-content:center;padding:0}.sidebar.collapsed .side-item .dot{left:24px}.sidebar.mobile{position:fixed;inset:0 auto 0 0;width:min(310px,86vw);flex-basis:auto;z-index:40;transform:translate(-102%);visibility:hidden;transition:transform .2s ease,visibility 0s linear .2s}.sidebar.mobile.open{transform:none;visibility:visible;box-shadow:var(--shadow-lg);transition:transform .2s ease}.scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--scrim);z-index:30}.account{flex:0 0 auto;display:flex;align-items:center;gap:10px;width:100%;min-height:48px;margin-top:6px;padding:6px 8px;border:none;background:none;border-radius:var(--radius-sm);cursor:pointer;text-align:left;color:var(--text)}.account:hover,.account.open{background:var(--surface-2)}.account>svg{flex:0 0 auto;color:var(--muted)}.account-text{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.25}.account-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-role{font-size:12px;color:var(--muted)}.avatar{flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:var(--kraft);color:#fff;display:grid;place-items:center;font-size:13.5px;font-weight:600}.avatar{position:relative}.avatar.large{width:44px;height:44px;font-size:18px}.avatar-alert{position:absolute;top:-2px;right:-2px;width:10px;height:10px;border-radius:50%;background:var(--warn);box-shadow:0 0 0 2px var(--sidebar)}.sidebar.collapsed .account{width:40px;justify-content:center;padding:6px 0;margin-top:auto}.side-warning.as-button{width:100%;margin-top:6px;border:none;font:inherit;font-size:12.5px;text-align:left;cursor:pointer}.side-warning.as-button:hover{filter:brightness(.97)}.menu{position:absolute;z-index:60;background:var(--bg);border-radius:16px;box-shadow:var(--shadow-lg);padding:6px;width:max-content;min-width:220px;max-width:min(420px,calc(100vw - 16px));max-height:340px;overflow:auto}@media (prefers-color-scheme: dark){.menu,.modal,.cite-card{background:var(--surface)}}.menu.up{bottom:calc(100% + 8px);left:0}.menu.down{top:calc(100% + 6px);left:0}.menu.fixed{position:fixed;min-width:168px}.menu-title{font-size:12.5px;color:var(--muted);padding:6px 10px 4px}.menu-item{display:flex;align-items:center;gap:10px;width:100%;min-height:36px;padding:6px 10px;border:none;background:none;border-radius:10px;cursor:pointer;text-align:left;color:var(--text)}.menu-item:hover{background:var(--surface)}@media (prefers-color-scheme: dark){.menu-item:hover{background:var(--surface-2)}}.menu-item.danger{color:var(--danger)}.menu-item.tall{min-height:48px}.menu-main{flex:1;min-width:0;display:flex;flex-direction:column;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.menu-item:not(.tall) .menu-main{display:block}.menu-note{font-size:12.5px;color:var(--muted)}.menu-sep{height:1px;background:var(--border);margin:5px 8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--border-strong);background:transparent;color:var(--text);font-weight:500;cursor:pointer;text-decoration:none;white-space:nowrap}.btn:hover{background:var(--surface)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-danger-solid{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger-solid:hover{filter:brightness(.93);background:var(--danger)}.btn-ghost{border-color:transparent;color:var(--text-2);padding:0 10px;border-radius:var(--radius-sm)}.btn-ghost:hover{background:var(--surface);color:var(--text)}.btn-ghost.active{background:var(--surface-2);color:var(--text)}.btn-ghost.danger:hover{background:var(--danger-soft);color:var(--danger)}.icon-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:var(--radius-sm);border:none;background:transparent;color:var(--muted);cursor:pointer;text-decoration:none}.icon-btn:hover{background:var(--surface-2);color:var(--text)}.icon-btn.danger:hover{background:var(--danger-soft);color:var(--danger)}.link-btn{display:inline-flex;align-items:center;gap:5px;border:none;background:none;color:var(--muted);cursor:pointer;font-size:12.5px;padding:0;text-decoration:underline;text-underline-offset:2px}.link-btn:hover{color:var(--text)}.pill{display:inline-flex;align-items:center;gap:6px;max-width:100%;height:32px;padding:0 12px;border-radius:999px;border:1px solid var(--border);background:transparent;color:var(--text-2);font-size:13px;font-weight:500;cursor:pointer}.pill:hover:not(:disabled){background:var(--surface);color:var(--text)}.pill.on{background:var(--accent-soft);border-color:transparent;color:var(--accent)}.pill:disabled{opacity:.5;cursor:not-allowed}.pill-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}.round-btn{flex:0 0 auto;width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--text-2);display:grid;place-items:center;cursor:pointer}.round-btn:hover{background:var(--surface);color:var(--text)}@media (prefers-color-scheme: dark){.round-btn:hover,.composer .pill:hover:not(:disabled){background:var(--surface-2)}.round-btn,.composer .pill{border-color:var(--border-strong)}}.search{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 12px;border:1px solid var(--border);border-radius:999px;color:var(--muted)}.search:focus-within{border-color:var(--border-strong)}.search input{border:none;outline:none;background:transparent;width:150px;min-width:0;color:var(--text)}.progress{height:5px;background:var(--surface-2);border-radius:999px;overflow:hidden}.progress-bar{height:100%;border-radius:999px;transition:width .4s ease;background-color:var(--kraft);background-image:repeating-linear-gradient(-45deg,rgba(255,255,255,.32) 0 5px,transparent 5px 10px);background-size:14.14px 100%;animation:tape .9s linear infinite}@keyframes tape{to{background-position:14.14px 0}}.status{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:500;padding:2px 9px 2px 7px;border-radius:999px;white-space:nowrap}.status-ready{background:var(--ok-soft);color:var(--ok)}.status-processing{background:var(--accent-soft);color:var(--accent)}.status-pending{background:var(--surface);color:var(--muted)}.status-failed{background:var(--danger-soft);color:var(--danger)}.notice{color:var(--warn);background:var(--warn-soft);padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:8px}.error{color:var(--danger);background:var(--danger-soft);padding:8px 12px;border-radius:var(--radius-sm);margin-top:8px;overflow-wrap:anywhere}.error.small{padding:4px 8px;margin-top:6px}.empty{margin:14vh auto 0;max-width:520px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.empty h2{font-size:22px;font-weight:500}.chat{position:relative;flex:1;min-height:0;display:flex}.chat-main{position:relative;flex:1;min-width:0;min-height:0;display:flex;flex-direction:column;container:chatmain / inline-size}.model{position:relative;min-width:0}.model-btn{display:inline-flex;align-items:center;gap:7px;max-width:100%;height:38px;padding:0 10px;border:none;background:none;border-radius:var(--radius-sm);font-size:17px;font-weight:600;letter-spacing:-.01em;cursor:pointer;white-space:nowrap}.model-btn:hover{background:var(--surface)}.model-name{color:var(--muted);font-weight:500}.model-btn svg{color:var(--muted);flex:0 0 auto}.chat-empty{position:relative;z-index:1;flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;padding:0 16px 14vh}.chat-main>.topbar{position:relative;z-index:2}.backdrop{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.backdrop-glow{position:absolute;left:50%;top:44%;width:min(980px,120%);aspect-ratio:1.7;translate:-50% -50%;background:radial-gradient(closest-side,color-mix(in srgb,var(--kraft) 15%,transparent),transparent);animation:glow 16s ease-in-out infinite alternate}@keyframes glow{0%{transform:translate3d(-3%,2%,0) scale(.94);opacity:.65}to{transform:translate3d(3%,-2%,0) scale(1.06);opacity:1}}.backdrop-fade{position:absolute;top:0;right:0;bottom:0;left:0;-webkit-mask-image:radial-gradient(ellipse 74% 70% at 50% 44%,rgba(0,0,0,.18) 0%,rgba(0,0,0,.3) 22%,#000 56%,transparent 100%);mask-image:radial-gradient(ellipse 74% 70% at 50% 44%,rgba(0,0,0,.18) 0%,rgba(0,0,0,.3) 22%,#000 56%,transparent 100%)}.backdrop-pattern{--tile-w: 56px;--tile-h: 84px;--tile: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 48' fill='none' stroke='%23000' stroke-width='0.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M16 0 32 8 16 16 0 8Z M16 16V48 M0 0V24 M0 40V48 M32 0V24 M32 40V48 M0 24 16 32 0 40 M32 24 16 32 32 40'/%3E%3C/svg%3E");position:absolute;inset:0 calc(-1 * var(--tile-w)) calc(-1 * var(--tile-h)) 0;background:var(--kraft);opacity:.15;-webkit-mask:var(--tile) 0 0 / var(--tile-w) var(--tile-h) repeat;mask:var(--tile) 0 0 / var(--tile-w) var(--tile-h) repeat;animation:drift 36s linear infinite;will-change:transform}@keyframes drift{to{transform:translate3d(calc(-1 * var(--tile-w)),calc(-1 * var(--tile-h)),0)}}@media (prefers-color-scheme: dark){.backdrop-pattern{opacity:.11}}.chat-empty>.composer{width:100%}.greeting{font-size:clamp(22px,3.2cqw + 10px,30px);font-weight:500;letter-spacing:-.02em;text-align:center}.greeting-sub{max-width:520px;text-align:center;margin:-10px 0 0}.greeting-icon{color:var(--kraft);margin-bottom:-8px;animation:float 7s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(2px)}50%{transform:translateY(-3px)}}.chat-scroll{flex:1;min-height:0;overflow-y:auto;padding:8px 20px 28px;scrollbar-gutter:stable both-edges}.chat-col{max-width:var(--col);margin:0 auto;display:flex;flex-direction:column;gap:26px}.msg{display:flex;flex-direction:column;min-width:0;font-size:16px}.msg-user{align-items:flex-end}.bubble{background:var(--surface);padding:10px 18px;border-radius:22px;max-width:min(78%,620px);white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.55}.thinking{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:15px}.thinking-box{flex:0 0 auto;color:var(--kraft);animation:bob 1.1s ease-in-out infinite}@keyframes bob{0%,to{transform:translateY(1px) rotate(-4deg)}50%{transform:translateY(-2px) rotate(4deg)}}.caret{display:inline-block;width:10px;height:10px;border-radius:3px;background:var(--kraft);animation:breathe 1.1s ease-in-out infinite;margin-top:6px}@keyframes breathe{0%,to{transform:scale(.72);opacity:.55}50%{transform:scale(1);opacity:1}}.msg-actions{display:flex;align-items:center;gap:2px;flex-wrap:wrap;margin:8px 0 0 -8px;min-height:34px;opacity:0;transition:opacity .15s}.msg-bot:hover .msg-actions,.msg-bot:focus-within .msg-actions,.msg-bot.last .msg-actions{opacity:1}@media (hover: none){.msg-actions{opacity:1}}.msg-actions .pill{height:28px;margin-left:6px;font-size:12.5px}.msg-meta{margin-left:10px;font-size:12.5px;color:var(--muted);white-space:nowrap}.answer{line-height:1.7;overflow-wrap:anywhere}.answer>:first-child{margin-top:0}.answer>:last-child{margin-bottom:0}.answer p{margin:0 0 14px}.answer ul,.answer ol{margin:0 0 14px;padding-left:26px}.answer li{margin-bottom:6px}.answer li>p{margin-bottom:6px}.answer h1,.answer h2,.answer h3,.answer h4{margin:22px 0 8px;font-size:18px;font-weight:600;letter-spacing:-.01em}.answer h3,.answer h4{font-size:16.5px}.answer blockquote{margin:8px 0 14px;padding:2px 16px;border-left:3px solid var(--border-strong);color:var(--text-2)}.answer hr{border:none;border-top:1px solid var(--border);margin:18px 0}.answer table{border-collapse:collapse;margin:8px 0 14px;display:block;overflow-x:auto;font-size:14.5px}.answer th{text-align:left;font-weight:600}.answer th,.answer td{border-bottom:1px solid var(--border);padding:7px 12px 7px 0}.answer code{background:var(--surface);padding:1px 5px;border-radius:5px}.cite{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;margin:0 1px;border-radius:999px;border:none;background:var(--surface-2);color:var(--text-2);font-size:11.5px;font-weight:600;cursor:pointer;vertical-align:2px;line-height:1}.cite:hover,.cite:focus-visible{background:var(--kraft);color:#fff;outline:none}.cite-card{position:fixed;z-index:70;background:var(--bg);border-radius:14px;box-shadow:var(--shadow-lg);padding:12px 14px;pointer-events:none;transform:translateY(-100%);font-size:13.5px}.cite-card.below{transform:none}.cite-card-ref{display:flex;align-items:center;gap:8px;font-weight:600}.cite-card-doc{color:var(--muted);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:2px 0 8px}.cite-card p{margin:0;padding-top:8px;border-top:1px dashed var(--border-strong);color:var(--text-2);line-height:1.5}.composer-dock{position:relative;flex:0 0 auto;padding:0 20px 8px}.composer{max-width:var(--col);margin:0 auto;background:var(--composer);border:1px solid var(--border);border-radius:26px;box-shadow:var(--shadow-md);padding:12px 10px 10px 12px;display:flex;flex-direction:column;gap:8px;cursor:text}.composer:focus-within{border-color:color-mix(in srgb,var(--kraft) 55%,var(--border-strong))}.composer textarea{width:100%;border:none;outline:none;resize:none;background:transparent;font-size:16px;line-height:1.5;padding:2px 8px;max-height:220px}.composer textarea::placeholder{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.composer-row{display:flex;align-items:center;gap:8px;min-width:0}.scope{position:relative;min-width:0}.send{flex:0 0 auto;width:36px;height:36px;border-radius:50%;border:none;background:var(--primary);color:var(--on-primary);cursor:pointer;display:grid;place-items:center}.send:hover:not(:disabled){background:var(--primary-hover)}.send:disabled{background:var(--surface-2);color:var(--muted);cursor:not-allowed}.disclaimer{max-width:var(--col);margin:8px auto 0;text-align:center;font-size:12px;color:var(--muted)}.jump{position:absolute;left:50%;top:-46px;transform:translate(-50%);width:34px;height:34px;border-radius:50%;border:1px solid var(--border);background:var(--bg);color:var(--text-2);display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-md);z-index:4}.jump:hover{background:var(--surface)}.sources-panel{flex:0 0 auto;min-width:0;min-height:0;display:flex;flex-direction:column;background:var(--bg)}.sources-panel.overlay{position:absolute;inset:0 0 0 auto;width:min(430px,94%);z-index:35;box-shadow:var(--shadow-lg)}.chat>.scrim{position:absolute}.panel-head{flex:0 0 auto;min-height:var(--topbar-h);display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px 8px 18px}.panel-body{flex:1;min-height:0;overflow-y:auto;padding:4px 12px 16px;display:flex;flex-direction:column;gap:4px}.source{border-radius:14px;padding:12px;border:1px solid transparent}.source:hover{background:var(--surface)}.source.flash{animation:flash 2.4s ease-out}@keyframes flash{0%,40%{background:var(--accent-soft)}to{background:transparent}}.source-head{display:flex;align-items:flex-start;gap:10px}.source-meta{flex:1;min-width:0}.source-ref{font-weight:600;overflow-wrap:anywhere}.source-title{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cite-badge{flex:0 0 auto;min-width:20px;height:20px;padding:0 6px;border-radius:999px;background:var(--primary);color:var(--on-primary);font-size:11.5px;font-weight:600;display:inline-grid;place-items:center;margin-top:1px}.source-text{margin:10px 0 6px;padding-top:10px;border-top:1px dashed var(--border-strong);color:var(--text-2);font-size:14px;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.storage{max-width:1100px;margin:0 auto 14px;display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border:1px solid var(--border);border-radius:16px;color:var(--text-2)}.storage>svg{flex:0 0 auto;margin-top:1px;color:var(--kraft)}.storage-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}.storage-line{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2px 16px;font-size:13.5px}.storage-line strong{color:var(--text);font-weight:600}.storage-bar{height:5px;border-radius:999px;background:var(--surface-2);overflow:hidden}.storage-bar>div{height:100%;border-radius:999px;background:var(--kraft);transition:width .4s ease}.storage.low{border-color:color-mix(in srgb,var(--danger) 45%,var(--border))}.storage.low>svg{color:var(--danger)}.storage.low .storage-bar>div{background:var(--danger)}.storage-warning{color:var(--danger);font-size:13px}.doc-list-wrap{container:doclist / inline-size;max-width:1100px;margin:0 auto}.doc-list{border:1px solid var(--border);border-radius:16px;overflow:hidden}.doc-row{display:grid;grid-template-columns:minmax(0,1fr) 150px 64px 70px 170px 112px;align-items:center;gap:0 16px;padding:12px 16px;border-top:1px solid var(--border)}.doc-row:first-child{border-top:none}.doc-row:not(.doc-head):hover{background:var(--sidebar)}.doc-head{font-size:12.5px;font-weight:500;color:var(--muted);padding-top:10px;padding-bottom:10px}.doc-main{min-width:0}.doc-title{display:block;font-weight:500;color:var(--text);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.doc-title:hover{text-decoration:underline;text-underline-offset:3px}.doc-sub,.doc-meta-line{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.doc-meta-line{display:none}.doc-cell{color:var(--text-2);font-size:13.5px}.doc-status{min-width:0;display:flex;flex-direction:column;gap:6px;align-items:flex-start}.doc-status .progress{width:100%}.doc-actions{display:flex;justify-content:flex-end;gap:2px}.doc-none{padding:18px 16px;border-top:1px solid var(--border)}@container doclist (max-width: 860px){.doc-row{grid-template-columns:minmax(0,1fr) 150px 112px}.doc-head span:nth-child(2),.doc-head span:nth-child(3),.doc-head span:nth-child(4),.doc-cell{display:none}.doc-meta-line{display:block}.doc-sub{display:none}}@container doclist (max-width: 520px){.doc-head{display:none}.doc-row{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"main actions" "status status";row-gap:8px}.doc-row:nth-child(2){border-top:none}.doc-main{grid-area:main}.doc-actions{grid-area:actions}.doc-status{grid-area:status}.doc-title{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.doc-meta-line{white-space:normal}}.reader{flex:1;min-height:0;display:flex}.reader-main{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column}.reader-top{padding-left:10px;gap:6px}.reader-title{flex:1;min-width:0;padding-left:4px}.reader-title h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reader-meta{display:flex;align-items:center;gap:8px;min-width:0;margin-top:2px}.reader-meta .muted{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tabs{flex:0 0 auto;display:flex;align-items:center;gap:4px;padding:0 20px;border-bottom:1px solid var(--border);min-height:44px}.tab{display:inline-flex;align-items:center;gap:7px;border:none;background:none;height:44px;padding:0 8px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}.tab:hover:not(:disabled){color:var(--text)}.tab.active{color:var(--text);border-bottom-color:var(--primary)}.tab:disabled{opacity:.5;cursor:not-allowed}.tab-search{margin-left:auto;height:32px}.reader-scroll{padding-top:20px}.reader-col{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.page-card,.chunk-card{border:1px solid var(--border);border-radius:16px;padding:16px 20px;scroll-margin:16px}.page-card.target,.chunk-card.target{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.page-label{border:none;background:none;padding:0;cursor:pointer;font-size:12.5px;font-weight:500;color:var(--muted);margin-bottom:8px}.page-label:hover{color:var(--text);text-decoration:underline}.page-text,.chunk-text{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.7;color:var(--text-2)}.chunk-head{display:flex;gap:10px;align-items:center;margin-bottom:8px;min-width:0}.chunk-ref{font-weight:500;font-size:13px;background:var(--surface);padding:3px 10px;border-radius:999px;overflow-wrap:anywhere}.chunk-card.target .chunk-ref{background:var(--accent-soft);color:var(--accent)}.pdf-pane{flex:0 0 auto;min-width:0;display:flex;background:var(--surface)}.pdf-frame{flex:1;width:100%;min-height:0;border:none;background:var(--surface)}.field{display:flex;flex-direction:column;gap:6px;text-align:left}.field>span:first-child{font-size:13px;font-weight:500;color:var(--text-2)}.field-hint{font-size:12.5px;color:var(--muted);line-height:1.45}.field-hint.center{text-align:center;margin:0}.input{width:100%;height:40px;padding:0 12px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--composer);color:var(--text);outline:none}.input:focus{border-color:var(--kraft);box-shadow:0 0 0 3px var(--accent-soft)}.input.code{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase}select.input{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:28px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 15px) 17px,calc(100% - 10px) 17px;background-size:5px 5px;background-repeat:no-repeat}.input-wrap{position:relative;display:block}.input-wrap .input{padding-right:42px}.input-btn{position:absolute;right:3px;top:3px}.form-error{color:var(--danger);background:var(--danger-soft);padding:9px 12px;border-radius:var(--radius-sm);font-size:13.5px;text-align:left;overflow-wrap:anywhere}.btn.wide{width:100%;height:42px}.splash{height:100dvh;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted)}.auth{position:relative;min-height:100dvh;display:grid;place-items:center;padding:24px 16px;overflow:hidden}.auth-card{position:relative;z-index:1;width:min(400px,100%);display:flex;flex-direction:column;gap:14px;text-align:center;padding:30px 28px 26px;background:var(--composer);border:1px solid var(--border);border-radius:24px;box-shadow:var(--shadow-lg)}.auth-card h1{font-size:22px;font-weight:600;letter-spacing:-.02em}.auth-sub{margin:-8px 0 4px}.brand-mark.large{width:46px;height:46px;border-radius:14px;margin:0 auto 2px}.modal.settings{width:min(760px,100%);height:min(600px,calc(100dvh - 32px));padding:0;display:flex;overflow:hidden}.settings-nav{flex:0 0 190px;display:flex;flex-direction:column;gap:2px;padding:18px 10px;background:var(--sidebar)}.settings-nav h3{margin:0 0 10px;padding:0 10px;font-size:17px}.settings-tab{display:flex;align-items:center;gap:10px;height:36px;padding:0 10px;border:none;background:none;border-radius:var(--radius-sm);cursor:pointer;color:var(--text);text-align:left}.settings-tab:hover{background:var(--surface-2)}.settings-tab.active{background:var(--surface-3)}.settings-body{position:relative;flex:1;min-width:0;overflow-y:auto;padding:22px 24px 24px}.settings-close{position:absolute;top:12px;right:12px}.settings-section{display:flex;flex-direction:column;gap:14px}.settings-section>h2{font-size:18px;padding-right:40px}.settings-identity{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}.settings-form{display:flex;flex-direction:column;gap:12px;max-width:380px}.settings-form h3{margin:4px 0 0;font-size:15px}.notice.with-icon{display:flex;gap:9px;align-items:flex-start;margin:0;line-height:1.45;font-size:13.5px}.notice.with-icon svg{flex:0 0 auto;margin-top:2px}.form-ok{display:flex;align-items:center;gap:8px;color:var(--ok);background:var(--ok-soft);padding:9px 12px;border-radius:var(--radius-sm);font-size:13.5px}.user-loading{padding:12px;margin:0}@media (max-width: 620px){.modal.settings{flex-direction:column;height:min(680px,calc(100dvh - 32px))}.settings-nav{flex:0 0 auto;flex-direction:row;align-items:center;padding:10px 12px;gap:4px}.settings-nav h3{margin:0 auto 0 0;padding:0 4px}.settings-body{padding:16px}.settings-close{top:8px;right:8px}}.user-list{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:14px;overflow:hidden}.user-row{display:flex;align-items:center;flex-wrap:wrap;gap:4px 10px;padding:10px 12px}.user-row+.user-row{border-top:1px solid var(--border)}.user-main{flex:1;min-width:0}.user-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-inline{flex:1 0 100%;display:flex;align-items:center;gap:8px;padding:6px 0 2px 40px}.user-inline .input{flex:1;min-width:0;height:36px}.user-confirm{flex:1;color:var(--danger);font-size:13.5px}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.icon-btn:disabled:hover{background:transparent;color:var(--muted)}.user-add{display:flex;flex-direction:column;gap:8px;padding-top:4px}.user-add-title{display:flex;align-items:center;gap:8px;margin:6px 0 0;font-size:15px}.user-add-grid{display:grid;grid-template-columns:1fr 1fr 150px auto;gap:8px}.user-add-grid .input,.user-add-grid .btn{height:38px}@media (max-width: 620px){.user-add-grid{grid-template-columns:1fr}.user-inline{padding-left:0;flex-wrap:wrap}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--scrim);display:grid;place-items:center;z-index:80;padding:16px}.modal{background:var(--bg);border-radius:20px;padding:22px;width:min(440px,100%);box-shadow:var(--shadow-lg)}.modal h3{font-size:18px;margin-bottom:10px}.modal-body{color:var(--text-2);overflow-wrap:anywhere;line-height:1.55}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.toasts{position:fixed;left:50%;top:14px;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:90;width:max-content;max-width:min(460px,calc(100vw - 24px))}.toast{display:flex;align-items:flex-start;gap:10px;background:var(--primary);color:var(--on-primary);padding:10px 10px 10px 16px;border-radius:14px;box-shadow:var(--shadow-lg);font-size:13.5px;line-height:1.45;overflow-wrap:anywhere}.toast .icon-btn{color:inherit;width:24px;height:24px;opacity:.7}.toast .icon-btn:hover{background:transparent;opacity:1;color:inherit}.toast-error{background:var(--danger);color:#fff}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:color-mix(in srgb,var(--bg) 70%,transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:center;z-index:85;pointer-events:none}.drop-card{background:var(--bg);border:2px dashed var(--kraft);border-radius:24px;padding:34px 48px;text-align:center;box-shadow:var(--shadow-lg)}.drop-card svg,.empty-icon{color:var(--kraft)}.drop-card h2{margin:12px 0 4px;font-size:18px}.drop-card p{color:var(--muted);margin:0}@container chatmain (max-width: 560px){.hide-narrow{display:none}.chat-scroll{padding:4px 14px 20px;scrollbar-gutter:auto}.composer-dock{padding:0 10px 6px}.bubble{max-width:90%}.msg-meta,.model-name{display:none}}@media (max-width: 820px){.topbar{padding:6px 8px}.page-scroll{padding:6px 12px 24px}.tabs{padding:0 10px;overflow-x:auto}.hide-narrow{display:none}.search input{width:96px}.reader-meta .muted{display:none}.composer textarea,.conv-input,.side-search input,.search input{font-size:16px}}
