.cos{--c-bg:#f6f6f9;--c-surface:#fff;--c-sunk:#f8f8fb;--c-line:#e6e7ee;--c-line-2:#f0f1f5;--c-ink:#1c1b2f;--c-ink-2:#474860;--c-ink-3:#74768f;--c-accent:#4f46e5;--c-accent-ink:#3f37c9;--c-accent-soft:#eef0ff;--c-accent-line:#d9dcfb;--c-warn:#9a5b07;--c-warn-soft:#fdf5e6;--c-danger:#b42318;--c-danger-soft:#fdf0ee;--c-ok:#0e6f55;--c-ok-soft:#eaf6f1;--c-ring:#4f46e54d;background:var(--c-bg);color:var(--c-ink);min-height:100vh;font-size:14px;line-height:1.45}.cos :focus-visible{outline:2px solid var(--c-ring);outline-offset:2px}.cos-shell{grid-template-columns:216px minmax(0,1fr);min-height:100vh;display:grid}.cos-side{background:var(--c-surface);border-right:1px solid var(--c-line);flex-direction:column;gap:2px;height:100vh;padding:14px 10px;display:flex;position:sticky;top:0}.cos-brand{letter-spacing:-.01em;align-items:center;gap:9px;padding:4px 8px 16px;font-size:14.5px;font-weight:700;display:flex}.cos-logo{background:var(--c-accent);border-radius:8px;flex:none;justify-content:center;align-items:center;width:26px;height:26px;display:inline-flex}.cos-nav{flex-direction:column;gap:2px;display:flex}.cos-nav a{height:36px;color:var(--c-ink-2);border-radius:8px;align-items:center;gap:10px;padding:0 10px;font-size:13.5px;font-weight:500;text-decoration:none;transition:background-color .15s,color .15s;display:flex}.cos-nav a:hover{background:var(--c-sunk);color:var(--c-ink)}.cos-nav a[aria-current=page]{background:var(--c-accent-soft);color:var(--c-accent-ink);font-weight:600}.cos-nav a svg{opacity:.8;flex:none}.cos-nav .cos-count{margin-left:auto}.cos-side-foot{border-top:1px solid var(--c-line-2);color:var(--c-ink-3);margin-top:auto;padding:12px 8px 2px;font-size:12.5px}.cos-side-foot button{color:var(--c-ink-3);cursor:pointer;text-underline-offset:2px;background:0 0;border:0;padding:0;font-size:12.5px;text-decoration:underline}.cos-main{flex-direction:column;min-width:0;display:flex}.cos-topbar{display:none}.cos-count{background:var(--c-line-2);min-width:20px;height:20px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;border-radius:999px;justify-content:center;align-items:center;padding:0 6px;font-size:11.5px;font-weight:600;display:inline-flex}[aria-current=page] .cos-count,.cos-count_on{background:var(--c-accent);color:#fff}.cos-page{width:100%;max-width:1180px;padding:22px 28px 40px}.cos-page_wide{max-width:none}.cos-h1{letter-spacing:-.01em;margin:0;font-size:19px;font-weight:700}.cos-sub{color:var(--c-ink-3);margin-top:2px;font-size:13px}.cos-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:14px;display:flex}.cos-chips{scrollbar-width:none;gap:6px;margin:0 -2px;padding:2px;display:flex;overflow-x:auto}.cos-chips::-webkit-scrollbar{display:none}.cos-chip{white-space:nowrap;border:1px solid var(--c-line);background:var(--c-surface);height:30px;color:var(--c-ink-2);cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:0 11px;font-size:12.5px;font-weight:500;transition:border-color .15s,background-color .15s,color .15s;display:inline-flex}.cos-chip:hover{border-color:var(--c-accent-line);color:var(--c-ink)}.cos-chip[aria-pressed=true]{background:var(--c-ink);border-color:var(--c-ink);color:#fff}.cos-chip .cos-chip-n{font-variant-numeric:tabular-nums;color:var(--c-ink-3);font-weight:600}.cos-chip[aria-pressed=true] .cos-chip-n{color:#ffffffbf}.cos-btn{border:1px solid var(--c-line);background:var(--c-surface);height:34px;color:var(--c-ink);cursor:pointer;white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:0 13px;font-size:13px;font-weight:600;transition:background-color .15s,border-color .15s,color .15s,opacity .15s;display:inline-flex}.cos-btn:hover:not(:disabled){background:var(--c-sunk);border-color:#cfd1dc}.cos-btn:disabled{opacity:.5;cursor:not-allowed}.cos-btn_primary{background:var(--c-accent);border-color:var(--c-accent);color:#fff}.cos-btn_primary:hover:not(:disabled){background:var(--c-accent-ink);border-color:var(--c-accent-ink)}.cos-btn_quiet{color:var(--c-ink-2);background:0 0;border-color:#0000}.cos-btn_quiet:hover:not(:disabled){background:var(--c-line-2);border-color:#0000}.cos-btn_danger{color:var(--c-danger)}.cos-btn_sm{border-radius:7px;height:28px;padding:0 10px;font-size:12.5px}.cos-kbd{font-family:var(--font-mono), ui-monospace, monospace;color:var(--c-ink-3);border:1px solid var(--c-line);background:var(--c-surface);border-bottom-width:2px;border-radius:4px;padding:0 4px;font-size:10.5px;line-height:15px}.cos-btn_primary .cos-kbd{color:#ffffffd9;background:0 0;border-color:#ffffff59}.cos-input,.cos-textarea,.cos-select{border:1px solid var(--c-line);background:var(--c-surface);width:100%;color:var(--c-ink);font:inherit;border-radius:8px;padding:8px 11px;font-size:13.5px;transition:border-color .15s,box-shadow .15s}.cos-input:focus,.cos-textarea:focus,.cos-select:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px var(--c-ring);outline:none}.cos-textarea{resize:vertical;line-height:1.55}.cos-label{color:var(--c-ink-2);margin-bottom:5px;font-size:12px;font-weight:600;display:block}.cos-hint{color:var(--c-ink-3);font-size:12px}.cos-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px}.cos-section-t{letter-spacing:.06em;text-transform:uppercase;color:var(--c-ink-3);margin:0 0 8px;font-size:11px;font-weight:700}.cos-tag{white-space:nowrap;background:var(--c-line-2);height:21px;color:var(--c-ink-2);border-radius:6px;align-items:center;gap:5px;padding:0 8px;font-size:11.5px;font-weight:600;display:inline-flex}.cos-tag_accent{background:var(--c-accent-soft);color:var(--c-accent-ink)}.cos-tag_warn{background:var(--c-warn-soft);color:var(--c-warn)}.cos-tag_danger{background:var(--c-danger-soft);color:var(--c-danger)}.cos-tag_ok{background:var(--c-ok-soft);color:var(--c-ok)}.cos-dot{background:currentColor;border-radius:999px;flex:none;width:7px;height:7px}.cos-inbox{grid-template-columns:minmax(0,1fr);gap:0;min-height:100vh;display:grid}.cos-inbox_open{grid-template-columns:minmax(340px,.9fr) minmax(0,1.1fr)}.cos-list{min-width:0;padding:22px 24px 60px}.cos-inbox_open .cos-list{padding-right:16px}.cos-rows{flex-direction:column;gap:8px;display:flex}.cos-row{text-align:left;background:var(--c-surface);border:1px solid var(--c-line);cursor:pointer;width:100%;font:inherit;color:inherit;border-radius:12px;grid-template-columns:34px minmax(0,1fr);gap:12px;padding:13px 14px;scroll-margin:90px;transition:border-color .15s,box-shadow .15s;display:grid}.cos-row:hover{border-color:#d3d5e2}.cos-row_focus{border-color:var(--c-accent);box-shadow:0 0 0 3px var(--c-ring)}.cos-row_open{border-color:var(--c-accent);background:#fbfbff}.cos-avatar{background:var(--c-line-2);width:34px;height:34px;color:var(--c-ink-2);border-radius:999px;flex:none;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:inline-flex}.cos-row-top{align-items:baseline;gap:8px;min-width:0;display:flex}.cos-from{white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:13.5px;font-weight:600;overflow:hidden}.cos-wait{color:var(--c-ink-3);white-space:nowrap;font-variant-numeric:tabular-nums;margin-left:auto;font-size:12px}.cos-wait_late{color:var(--c-warn);font-weight:600}.cos-subject{white-space:nowrap;text-overflow:ellipsis;margin-top:1px;font-size:13.5px;font-weight:500;overflow:hidden}.cos-summary{color:var(--c-ink-3);white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-size:12.5px;overflow:hidden}.cos-labels{flex-wrap:wrap;gap:5px;margin-top:8px;display:flex}.cos-preview{background:var(--c-sunk);border:1px solid var(--c-line-2);color:var(--c-ink-2);border-radius:8px;margin-top:9px;padding:7px 10px;font-size:12.5px;display:block}.cos-clamp2{-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.cos-preview_none{color:var(--c-ink-3);font-style:italic}.cos-inbox_open .cos-tag_checks{display:none}.cos-empty{text-align:center;padding:56px 20px}.cos-empty h2{margin:12px 0 4px;font-size:16px;font-weight:700}.cos-empty p{color:var(--c-ink-3);max-width:380px;margin:0 auto;font-size:13px}.cos-panel{background:var(--c-surface);border-left:1px solid var(--c-line);flex-direction:column;min-width:0;height:100vh;display:flex;position:sticky;top:0;overflow-y:auto}.cos-panel-head{z-index:2;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line-2);background:#fffffff5;padding:14px 20px 12px;position:sticky;top:0}.cos-panel-title{overflow-wrap:anywhere;margin:6px 0 2px;font-size:15.5px;font-weight:700;line-height:1.3}.cos-panel-body{flex-direction:column;gap:20px;padding:16px 20px 24px;display:flex}.cos-panel-actions{z-index:2;border-top:1px solid var(--c-line);background:#fffffff7;flex-wrap:wrap;align-items:center;gap:6px;margin-top:auto;padding:10px 20px;display:flex;position:sticky;bottom:0}.cos-msg{border:1px solid var(--c-line-2);background:var(--c-surface);border-radius:10px;padding:10px 12px}.cos-msg_out{background:var(--c-sunk)}.cos-msg-head{align-items:baseline;gap:8px;font-size:12.5px;display:flex}.cos-msg-body{color:var(--c-ink-2);white-space:pre-wrap;overflow-wrap:anywhere;max-height:230px;margin-top:6px;font-size:13px;overflow-y:auto}.cos-msg-body_full{max-height:none}.cos-collapsed{border:1px dashed var(--c-line);width:100%;color:var(--c-ink-3);cursor:pointer;background:0 0;border-radius:10px;padding:7px;font-size:12.5px}.cos-collapsed:hover{color:var(--c-ink);border-color:#cfd1dc}.cos-draft textarea{min-height:220px;font-size:13.5px}.cos-facts{flex-direction:column;gap:6px;display:flex}.cos-fact{color:var(--c-ink-2);grid-template-columns:auto minmax(0,1fr);align-items:start;gap:8px;font-size:12.5px;display:grid}.cos-fact-src{font-family:var(--font-mono), ui-monospace, monospace;background:var(--c-line-2);color:var(--c-ink-2);white-space:nowrap;border-radius:5px;margin-top:1px;padding:1px 6px;font-size:11px}.cos-fact-src_k{background:var(--c-accent-soft);color:var(--c-accent-ink)}.cos-checks{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.cos-checks li{color:var(--c-ink-2);grid-template-columns:16px minmax(0,1fr);gap:8px;font-size:12.5px;display:grid}.cos-checks li:before{content:"";border:1.5px solid #c9a15a;border-radius:3px;width:12px;height:12px;margin-top:3px}.cos-needs{background:var(--c-warn-soft);color:var(--c-warn);border-radius:10px;padding:9px 12px;font-size:12.5px}.cos-reasons{flex-wrap:wrap;gap:6px;display:flex}.cos-reason{border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;height:30px;color:var(--c-ink-2);border-radius:999px;padding:0 12px;font-size:12.5px}.cos-reason[aria-pressed=true]{background:var(--c-danger-soft);color:var(--c-danger);border-color:#f1c7c0;font-weight:600}.cos-ask{grid-template-columns:240px minmax(0,1fr);min-height:100vh;display:grid}.cos-threads{border-right:1px solid var(--c-line);background:var(--c-surface);height:100vh;padding:16px 10px;position:sticky;top:0;overflow-y:auto}.cos-threads a,.cos-threads button.cos-thread{text-align:left;width:100%;color:var(--c-ink-2);white-space:nowrap;text-overflow:ellipsis;cursor:pointer;background:0 0;border:0;border-radius:7px;padding:7px 10px;font-size:13px;text-decoration:none;display:block;overflow:hidden}.cos-threads .cos-thread:hover{background:var(--c-sunk)}.cos-threads .cos-thread[aria-current=true]{background:var(--c-accent-soft);color:var(--c-accent-ink);font-weight:600}.cos-chat{flex-direction:column;min-width:0;min-height:100vh;display:flex}.cos-chat-scroll{flex-direction:column;flex:1;gap:16px;width:100%;max-width:820px;margin:0 auto;padding:24px 28px 16px;display:flex}.cos-bubble{white-space:pre-wrap;overflow-wrap:anywhere;max-width:88%;font-size:14px;line-height:1.55}.cos-bubble_user{background:var(--c-ink);color:#fff;border-radius:14px 14px 4px;align-self:flex-end;padding:9px 13px}.cos-bubble_cos{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px 14px 14px 4px;align-self:flex-start;padding:12px 15px}.cos-bubble_cos a{color:var(--c-accent-ink);font-weight:600;font-family:var(--font-mono), ui-monospace, monospace;font-size:12.5px;text-decoration:none}.cos-bubble_cos a:hover{text-decoration:underline}.cos-bubble_err{background:var(--c-danger-soft);color:var(--c-danger);border-color:#f1c7c0}.cos-trace{flex-wrap:wrap;gap:5px;margin-bottom:8px;display:flex}.cos-who{color:var(--c-ink-3);align-items:center;gap:6px;margin-bottom:4px;font-size:11.5px;font-weight:700;display:flex}.cos-composer{background:linear-gradient(to top, var(--c-bg) 70%, #f6f6f900);padding:14px 28px 18px;position:sticky;bottom:0}.cos-composer-in{background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;align-items:flex-end;gap:8px;max-width:820px;margin:0 auto;padding:8px 8px 8px 14px;display:flex;box-shadow:0 4px 18px #1c1b2f0f}.cos-composer-in:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px var(--c-ring)}.cos-composer textarea{resize:none;font:inherit;max-height:180px;color:var(--c-ink);background:0 0;border:0;flex:1;padding:6px 0;font-size:14px;line-height:1.5}.cos-composer textarea:focus{outline:none}.cos-suggest{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:18px;display:grid}.cos-suggest button{text-align:left;border:1px solid var(--c-line);background:var(--c-surface);cursor:pointer;font:inherit;color:var(--c-ink);border-radius:12px;padding:12px 14px;transition:border-color .15s}.cos-suggest button:hover{border-color:var(--c-accent-line)}.cos-suggest small{color:var(--c-ink-3);margin-top:2px;font-size:12px;display:block}.cos-typing{align-items:center;gap:4px;display:inline-flex}.cos-typing i{background:var(--c-ink-3);border-radius:99px;width:6px;height:6px;animation:1.2s ease-in-out infinite cosblink}.cos-typing i:nth-child(2){animation-delay:.15s}.cos-typing i:nth-child(3){animation-delay:.3s}@keyframes cosblink{0%,80%,to{opacity:.25}40%{opacity:1}}.cos-table{border-collapse:collapse;width:100%;font-size:13px}.cos-table th{text-align:left;letter-spacing:.05em;text-transform:uppercase;color:var(--c-ink-3);border-bottom:1px solid var(--c-line);white-space:nowrap;padding:9px 12px;font-size:11px;font-weight:700}.cos-table td{border-bottom:1px solid var(--c-line-2);vertical-align:middle;padding:11px 12px}.cos-table tr:last-child td{border-bottom:0}.cos-num{font-variant-numeric:tabular-nums}.cos-seg{border:1px solid var(--c-line);background:var(--c-sunk);border-radius:8px;padding:2px;display:inline-flex}.cos-seg button{height:26px;color:var(--c-ink-3);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:6px;padding:0 10px;font-size:12px;font-weight:600}.cos-seg button[aria-pressed=true]{background:var(--c-surface);color:var(--c-ink);box-shadow:0 1px 2px #1c1b2f1f}.cos-seg button[aria-pressed=true][data-mode=drafts]{color:var(--c-accent-ink)}.cos-seg button:disabled{cursor:wait}.cos-stat{flex-direction:column;gap:1px;display:flex}.cos-stat b{font-variant-numeric:tabular-nums;font-size:18px;font-weight:650}.cos-stat span{color:var(--c-ink-3);font-size:11.5px}.cos-bar{background:var(--c-line-2);vertical-align:middle;border-radius:99px;width:70px;height:6px;display:inline-block;overflow:hidden}.cos-bar i{background:var(--c-accent);border-radius:99px;height:100%;display:block}.cos-spcards{display:none}.cos-wsrow{border-bottom:1px solid var(--c-line-2);grid-template-columns:minmax(150px,1.1fr) minmax(110px,.7fr) minmax(170px,1.7fr) 96px 92px 64px;align-items:center;gap:10px;padding:10px 14px;display:grid}.cos-wsrow:last-child{border-bottom:0}.cos-wshead{letter-spacing:.05em;text-transform:uppercase;color:var(--c-ink-3);border-bottom:1px solid var(--c-line);padding:10px 14px 6px;font-size:11px;font-weight:700}.cos-wsrow .cos-label{display:none}.cos-toasts{z-index:70;flex-direction:column;gap:8px;max-width:min(380px,100vw - 32px);display:flex;position:fixed;bottom:18px;right:18px}.cos-toast{background:var(--c-ink);color:#fff;border-radius:10px;align-items:center;gap:12px;padding:10px 12px 10px 14px;font-size:13px;display:flex;box-shadow:0 8px 24px #14123238}.cos-toast_error{background:var(--c-danger)}.cos-toast button{color:#fff;cursor:pointer;background:#ffffff24;border:0;border-radius:6px;height:26px;margin-left:auto;padding:0 10px;font-size:12.5px;font-weight:700}.cos-toast button:hover{background:#ffffff3d}.cos-dialog-back{z-index:60;background:#1412286b;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.cos-dialog{background:var(--c-surface);border-radius:14px;width:100%;max-width:440px;max-height:90vh;padding:20px;overflow-y:auto;box-shadow:0 20px 60px #14123240}.cos-dialog h3{margin:0 0 8px;font-size:16px;font-weight:700}.cos-dialog p{color:var(--c-ink-2);margin:0 0 10px;font-size:13.5px}.cos-dialog-actions{justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.cos-grid2{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.cos-stack{flex-direction:column;gap:14px;display:flex}.cos-row-line{border-bottom:1px solid var(--c-line-2);align-items:center;gap:10px;padding:10px 0;display:flex}.cos-row-line:last-child{border-bottom:0}.cos-link{color:var(--c-accent-ink);font-weight:600;text-decoration:none}.cos-link:hover{text-decoration:underline}.cos-spin{border:2px solid var(--c-line);border-top-color:var(--c-accent);border-radius:99px;width:18px;height:18px;animation:.7s linear infinite cosspin;display:inline-block}@keyframes cosspin{to{transform:rotate(360deg)}}.cos-skel{background:linear-gradient(90deg, var(--c-line-2), #f7f7fa, var(--c-line-2));background-size:200% 100%;border-radius:12px;animation:1.4s infinite cosskel}@keyframes cosskel{to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.cos-typing i,.cos-spin,.cos-skel{animation-duration:3s}.cos *{transition:none!important}}@media (max-width:1320px){.cos-shell{grid-template-columns:196px minmax(0,1fr)}.cos-inbox_open{grid-template-columns:minmax(310px,.85fr) minmax(0,1.15fr)}.cos-list{padding:18px 18px 60px}.cos-page{padding:20px 22px 40px}.cos-ask{grid-template-columns:210px minmax(0,1fr)}}@media (max-width:900px){.cos-shell{grid-template-columns:minmax(0,1fr)}.cos-side{z-index:55;width:264px;transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-102%);box-shadow:0 0 40px #14123233}.cos-side_open{transform:none}.cos-scrim{z-index:54;background:#14122859;border:0;position:fixed;inset:0}.cos-topbar{z-index:40;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);background:#fffffff5;align-items:center;gap:10px;height:52px;padding:0 12px 0 8px;display:flex;position:sticky;top:0}.cos-topbar-title{font-size:15px;font-weight:700}.cos-burger{cursor:pointer;width:40px;height:40px;color:var(--c-ink);background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;display:inline-flex}.cos-inbox,.cos-inbox_open{grid-template-columns:minmax(0,1fr);min-height:0}.cos-list{padding:14px 16px 60px}.cos-panel{z-index:50;border-left:0;height:auto;position:fixed;inset:0}.cos-panel-head,.cos-panel-body,.cos-panel-actions{padding-left:16px;padding-right:16px}.cos-page{padding:16px 16px 40px}.cos-ask{grid-template-columns:minmax(0,1fr);min-height:calc(100vh - 52px)}.cos-threads{display:none}.cos-chat{min-height:calc(100vh - 52px)}.cos-chat-scroll{padding:16px 16px 8px}.cos-composer{padding:10px 12px 12px}.cos-bubble{max-width:94%}.cos-hide-sm{display:none!important}.cos-sptable{display:none}.cos-spcards{flex-direction:column;gap:10px;display:flex}.cos-grid2{grid-template-columns:minmax(0,1fr)}.cos-wshead{display:none}.cos-wsrow{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end}.cos-wsrow>:first-child,.cos-wsrow>:nth-child(3){grid-column:1/-1}.cos-wsrow .cos-label{display:block}.cos-wsrow>:nth-child(2){order:2}.cos-wsrow>:nth-child(4){order:3}.cos-wsrow>:nth-child(3){order:4}.cos-wsrow>:nth-child(5){order:5;align-self:center}.cos-wsrow>:nth-child(6){order:6}.cos-suggest{grid-template-columns:minmax(0,1fr)}.cos-toasts{max-width:none;bottom:16px;left:16px;right:16px}.cos-panel-actions .cos-kbd{display:none}}@media (min-width:901px){.cos-only-sm{display:none!important}}.cos-decision{border:1px solid color-mix(in srgb, var(--c-accent) 30%, transparent);background:var(--c-accent-soft);border-radius:10px;gap:8px;margin-bottom:10px;padding:12px 14px;display:grid}.cos-decision-q{font-size:14px;line-height:1.45}.cos-decision-opts{flex-wrap:wrap;gap:6px;display:flex}