:root{--bg: #0f1115;--bg-elevated: #161a21;--bg-sunken: #0b0d11;--surface: #1b2029;--surface-hover: #222834;--border: #262c38;--border-strong: #333b4a;--text: #e9edf4;--text-muted: #9aa4b6;--text-faint: #6b7484;--brand: #fa524b;--accent: #fa524b;--accent-strong: #e03b34;--accent-contrast: #ffffff;--accent-soft: rgba(250, 82, 75, .16);--bubble-in: #1b2029;--bubble-out: #d93b33;--bubble-out-text: #ffffff;--danger: #ef5b5b;--success: #46c68a;--warning: #e5a643;--radius-sm: 8px;--radius: 12px;--radius-lg: 18px;--radius-bubble: 18px;--shadow-1: 0 1px 2px rgba(0, 0, 0, .3);--shadow-2: 0 8px 28px rgba(0, 0, 0, .4);--header-h: 56px;--sidebar-w: 360px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;color-scheme:dark}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg: #ffffff;--bg-elevated: #ffffff;--bg-sunken: #f2f4f8;--surface: #f4f6fa;--surface-hover: #e9edf4;--border: #e2e6ee;--border-strong: #cdd4e0;--text: #131720;--text-muted: #5c6675;--text-faint: #8b95a5;--accent: #d93b33;--accent-strong: #bf2f28;--accent-soft: rgba(217, 59, 51, .1);--bubble-in: #f0f2f7;--bubble-out: #d93b33;--shadow-1: 0 1px 2px rgba(16, 24, 40, .06);--shadow-2: 0 12px 32px rgba(16, 24, 40, .12);color-scheme:light}}:root[data-theme=light]{--bg: #ffffff;--bg-elevated: #ffffff;--bg-sunken: #f2f4f8;--surface: #f4f6fa;--surface-hover: #e9edf4;--border: #e2e6ee;--border-strong: #cdd4e0;--text: #131720;--text-muted: #5c6675;--text-faint: #8b95a5;--accent: #d93b33;--accent-strong: #bf2f28;--accent-soft: rgba(217, 59, 51, .1);--bubble-in: #f0f2f7;--bubble-out: #d93b33;--shadow-1: 0 1px 2px rgba(16, 24, 40, .06);--shadow-2: 0 12px 32px rgba(16, 24, 40, 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.12s}.search-hit:hover{background:var(--surface-hover)}.search-hit-line{display:flex;align-items:baseline;gap:8px}.search-hit-title{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600}.search-hit-time{flex:none;color:var(--text-faint);font-size:11.5px}.search-hit-snippet{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;color:var(--text-muted);font-size:13px}.load-older{align-self:center;margin:4px 0 8px;padding:5px 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);font-size:12.5px;transition:background .12s,color .12s}.load-older:hover:not(:disabled){background:var(--surface-hover);color:var(--text)}.load-older:disabled{opacity:.6}.day-divider{align-self:center;margin:12px 0 6px;padding:3px 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a{color:inherit;text-decoration:underline;text-underline-offset:2px}.bubble-text pre{margin:6px 0;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-sunken);overflow-x:auto;font-family:var(--font-mono);font-size:12.5px;line-height:1.5}.bubble-row.is-out .bubble-text a{color:inherit;text-decoration:underline;text-underline-offset:2px}.bubble-row.is-in .bubble-text a{color:var(--accent)}.bubble-text pre{background:#00000038}.bubble-row.is-out .bubble-text code{background:#ffffff2e}.bubble-meta{display:flex;align-items:center;justify-content:flex-end;gap:5px;margin-top:2px;font-size:11px;color:var(--text-faint);line-height:1.2}.bubble-row.is-out .bubble-meta{color:#ffffffb8}.system-note{max-width:min(90%,620px);padding:6px 14px;border-radius:999px;background:var(--surface);color:var(--text-muted);font-size:12.5px;text-align:center}.turn-steps{align-self:flex-start;max-width:min(78%,620px);margin:2px 0 0 2px}.turn-steps-head{display:flex;align-items:center;gap:8px;padding:5px 8px 5px 9px;border-radius:999px;border:1px dashed var(--border-strong);color:var(--text-faint);font-size:12.5px;line-height:1.3;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.turn-steps.is-expanded .turn-steps-head{border-style:solid;border-radius:var(--radius) var(--radius) 0 0;border-bottom-color:transparent;color:var(--text-muted)}.turn-steps-icon{display:grid;place-items:center;flex:none;color:var(--text-faint)}.turn-steps-label{display:flex;align-items:baseline;gap:6px;min-width:0}.turn-steps-count{flex:none;font-weight:600}.turn-steps-detail{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.turn-steps-live{flex:none;color:var(--accent)}.turn-steps-menu{flex:none;display:grid;place-items:center;width:24px;height:24px;margin:-4px -4px -4px 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span{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.45;animation:typing-bounce 1.3s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.16s}.typing span:nth-child(3){animation-delay:.32s}@keyframes typing-bounce{0%,60%,to{transform:translateY(0);opacity:.4}30%{transform:translateY(-4px);opacity:.9}}@media(prefers-reduced-motion:reduce){.typing span{animation:none}}.working-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted)}.cursor-caret{display:inline-block;width:2px;height:1em;margin-left:1px;vertical-align:-.15em;background:currentColor;animation:caret-blink 1s steps(2,start) infinite}@keyframes caret-blink{to{visibility:hidden}}.composer{flex:none;padding:8px 12px;padding-bottom:calc(8px + env(safe-area-inset-bottom));background:var(--bg-elevated);border-top:1px solid var(--border)}.composer-inner{max-width:760px;margin:0 auto;display:flex;align-items:flex-end;gap:8px}.composer textarea{flex:1;min-width:0;min-height:40px;max-height:168px;padding:9px 14px;border:1px solid var(--border);border-radius:20px;background:var(--surface);resize:none;outline:none;font-size:15px;line-height:1.4;transition:border-color .15s;scrollbar-width:none;-ms-overflow-style:none}.composer textarea::-webkit-scrollbar{display:none}.composer textarea:focus{border-color:var(--accent)}.attach-button{display:grid;place-items:center;width:40px;height:40px;flex:none;border-radius:50%;color:var(--text-muted);transition:background .15s,color .15s}.attach-button:hover:not(:disabled){background:var(--surface-hover);color:var(--text)}.attach-button:disabled{opacity:.4}.queue-modes{display:flex;gap:6px;max-width:760px;margin:0 auto 8px;overflow-x:auto;scrollbar-width:none}.queue-modes::-webkit-scrollbar{display:none}.queue-mode{flex:none;padding:4px 11px;border-radius:999px;border:1px solid var(--border);color:var(--text-muted);font-size:12.5px;white-space:nowrap;transition:background .12s,color .12s,border-color .12s}.queue-mode:hover{color:var(--text)}.queue-mode.is-active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.draft-attachments{display:flex;flex-wrap:wrap;gap:8px;max-width:760px;margin:0 auto 8px}.draft-attachment{position:relative;width:74px;height:74px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:var(--bg-sunken)}.draft-attachment img{width:100%;height:100%;object-fit:cover}.draft-attachment-remove{position:absolute;top:3px;right:3px;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#0000009e;color:#fff}.draft-attachment-remove:hover{background:#000c}.draft-attachment-size{position:absolute;left:0;right:0;bottom:0;padding:2px 5px;background:linear-gradient(transparent,#000000a8);color:#fff;font-size:10.5px;text-align:right}.attachment-list{display:flex;flex-direction:column;gap:4px;margin:2px 0 6px}.attachment-list.is-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.bubble.is-media{padding:4px 4px 2px}.attachment-image{display:block;overflow:hidden;border-radius:12px;background:var(--bg-sunken);max-width:320px}.attachment-image img{display:block;width:100%;height:100%;max-height:340px;object-fit:cover}.attachment-image:not([style]) img{width:auto;height:auto;max-width:100%}.attachment-pending{display:block;padding:18px 12px;border-radius:12px;background:var(--bg-sunken);color:var(--text-faint);font-size:13px;text-align:center}.attachment-pending.is-missing{color:var(--danger)}.attachment-file{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:10px;background:#7f7f7f1f;color:var(--text-muted);font-size:13px}.attachment-file-body{display:flex;flex-direction:column;min-width:0}.attachment-file-name{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--text)}.attachment-file-size{font-size:11.5px;color:var(--text-faint)}.pane-chat.is-dropping:after{content:"";position:absolute;inset:8px;border:2px dashed var(--accent);border-radius:var(--radius-lg);background:var(--accent-soft);pointer-events:none;z-index:4}.drop-hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:5;padding:10px 18px;border-radius:999px;background:var(--accent);color:var(--accent-contrast);font-size:14px;font-weight:600;pointer-events:none}.send-button{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--accent);color:var(--accent-contrast);flex:none;transition:background .15s,transform 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20%,var(--bg-elevated));color:var(--text)}.banner.is-info{background:var(--accent-soft);color:var(--text)}.banner-text{flex:1;min-width:0}.banner-action{flex:none;font-weight:600;color:var(--accent);text-decoration:underline}.jump-latest-slot{position:relative;height:0;z-index:3}.jump-latest{position:absolute;right:calc(14px + env(safe-area-inset-right));bottom:12px;display:grid;place-items:center;width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);box-shadow:var(--shadow-2);transition:background .15s,color .15s,border-color .15s}.jump-latest:hover{background:var(--surface-hover);border-color:var(--border-strong);color:var(--text)}.spinner{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .7s linear infinite;flex:none;opacity:.7}@keyframes spin{to{transform:rotate(360deg)}}.setup{display:flex;flex:1;flex-direction:column;align-items:center;justify-content:center;overflow-y:auto;padding:32px 20px calc(32px + env(safe-area-inset-bottom));padding-top:calc(32px + env(safe-area-inset-top));background:var(--bg)}.setup-card{width:100%;max-width:420px}.setup-logo{display:block;width:68px;height:68px;margin:0 auto 18px;filter:drop-shadow(0 8px 20px rgba(250,82,75,.35))}.setup h1{margin:0 0 6px;font-size:23px;font-weight:660;text-align:center;letter-spacing:-.02em}.setup-lead{margin:0 0 26px;text-align:center;color:var(--text-muted);font-size:14.5px}.field{margin-bottom:16px}.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--text-muted)}.field input{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);outline:none;font-size:15px;transition:border-color .15s}.field input:focus{border-color:var(--accent)}.field-hint{margin:6px 0 0;font-size:12.5px;color:var(--text-faint)}.button-primary{width:100%;padding:12px 18px;border-radius:var(--radius);background:var(--accent);color:var(--accent-contrast);font-size:15px;font-weight:620;transition:background .15s}.button-primary:hover:not(:disabled){background:var(--accent-strong)}.button-ghost{padding:9px 14px;border-radius:var(--radius);color:var(--text-muted);font-size:14px;font-weight:560}.button-ghost:hover:not(:disabled){background:var(--surface-hover);color:var(--text)}.button-danger{color:var(--danger)}.form-error{margin:0 0 14px;padding:10px 12px;border-radius:var(--radius);background:color-mix(in srgb,var(--danger) 16%,transparent);color:var(--text);font-size:13.5px}.sheet-backdrop{position:fixed;inset:0;z-index:40;display:flex;align-items:flex-end;justify-content:center;background:#00000080;animation:fade-in .15s ease}@media(min-width:640px){.sheet-backdrop{align-items:center}}.sheet{width:100%;max-width:460px;max-height:92dvh;overflow-y:auto;overscroll-behavior:contain;padding:18px 18px calc(18px + env(safe-area-inset-bottom));border-radius:20px 20px 0 0;background:var(--bg-elevated);box-shadow:var(--shadow-2);animation:slide-up .2s ease}@media(min-width:640px){.sheet{border-radius:20px;padding-bottom:18px}}.sheet h2{margin:0 0 4px;font-size:17px;font-weight:640}.sheet p{margin:0 0 16px;font-size:14px;color:var(--text-muted)}.sheet-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.header-model{display:inline;padding:0;color:inherit;font:inherit;text-decoration:underline;text-decoration-color:var(--border-strong);text-underline-offset:2px}.header-model:hover{color:var(--accent);text-decoration-color:var(--accent)}.method-tabs{display:flex;flex-wrap:wrap;gap:4px;margin:0 0 14px}.method-tab{padding:5px 12px;border-radius:999px;border:1px solid transparent;font-size:13px;font-weight:550;color:var(--text-muted);transition:background .15s,color .15s,border-color .15s}.method-tab:hover{color:var(--text)}.method-tab[aria-selected=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.segmented{display:flex;gap:4px;padding:3px;border-radius:999px;background:var(--surface);border:1px solid var(--border)}.segment{flex:1;padding:6px 10px;border-radius:999px;color:var(--text-muted);font-size:13.5px;transition:background .14s,color .14s}.segment:hover{color:var(--text)}.segment[aria-checked=true]{background:var(--bg-elevated);color:var(--text);font-weight:600;box-shadow:var(--shadow-1)}.scope-list{display:flex;flex-direction:column;gap:6px;margin:0;padding:0;list-style:none}.scope-list li{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.scope-list code{padding:1px 6px;border-radius:6px;background:var(--surface);font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.scope-list span{color:var(--text-muted);font-size:13px}.warn-block{margin:0 0 14px;padding:10px 12px;border-radius:var(--radius);border-left:3px solid var(--warning);background:color-mix(in srgb,var(--warning) 12%,transparent);color:var(--text-muted);font-size:13.5px;line-height:1.5}.warn-block strong{color:var(--text)}.method-lead{margin:0 0 14px;color:var(--text-muted);font-size:14px;line-height:1.5}.origin-why{margin:4px 0 18px;padding:10px 12px;border-radius:var(--radius);background:var(--surface);color:var(--text-muted);font-size:13.5px}.origin-why summary{cursor:pointer;color:var(--text);font-size:14px;font-weight:600}.origin-why p{margin:10px 0 0;line-height:1.5}.model-list{display:flex;flex-direction:column;gap:2px;max-height:min(50vh,420px);overflow-y:auto}.model-option{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--radius);text-align:left;transition:background .12s}.model-option:hover:not(:disabled){background:var(--surface-hover)}.model-option.is-active{background:var(--accent-soft)}.model-option.is-active:before{content:"";flex:none;width:3px;align-self:stretch;border-radius:2px;background:var(--accent)}.model-option.is-unavailable{opacity:.45}.model-option-body{display:flex;flex-direction:column;min-width:0}.model-option-name{font-size:15px}.model-option-meta{color:var(--text-faint);font-size:12.5px}.model-empty{display:flex;align-items:center;gap:10px;padding:14px 10px;color:var(--text-muted);font-size:14px}.sheet-menu{display:flex;flex-direction:column;gap:2px}.sheet-menu button{display:flex;align-items:center;gap:12px;padding:12px 10px;border-radius:var(--radius);text-align:left;font-size:15px;transition:background .12s}.sheet-menu button:hover{background:var(--surface-hover)}@keyframes fade-in{0%{opacity:0}}@keyframes slide-up{0%{transform:translateY(16px)}}@media(prefers-reduced-motion:reduce){.sheet-backdrop,.sheet{animation:none}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.steps{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:16px}.steps li{display:flex;gap:12px;align-items:flex-start}.steps li>div{flex:1;min-width:0}.step-index{display:grid;place-items:center;flex:none;width:24px;height:24px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:12.5px;font-weight:700}.step-title{margin:2px 0 6px;font-size:14px;font-weight:600}.code-block{display:flex;align-items:flex-start;gap:10px;width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-sunken);text-align:left;transition:border-color .15s}.code-block:hover{border-color:var(--accent)}.code-block code{flex:1;min-width:0;font-family:var(--font-mono);font-size:12.5px;line-height:1.5;color:var(--text);white-space:pre-wrap;overflow-wrap:anywhere}.code-copy{flex:none;padding-top:1px;font-size:11px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.03em}.detail-list{margin:0 0 18px;padding:12px 14px;border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;gap:10px}.detail-list>div{display:flex;align-items:baseline;gap:10px}.detail-list dt{flex:none;width:108px;font-size:12.5px;color:var(--text-muted)}.detail-list dd{flex:1;min-width:0;margin:0}.detail-value{display:flex;align-items:baseline;gap:8px;width:100%;padding:0;text-align:left;font-family:var(--font-mono);font-size:12.5px;color:var(--text)}.detail-plain{font-size:12.5px;color:var(--text)}.truncate-id{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.waiting-row{display:flex;align-items:center;justify-content:center;gap:10px;padding:12px;font-size:13.5px;color:var(--text-muted)}.toggle-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 16px;padding:12px;border-radius:var(--radius);background:var(--surface);cursor:pointer}.toggle-row input{flex:none;width:18px;height:18px;margin:1px 0 0;accent-color:var(--accent)}.toggle-row>span{flex:1;min-width:0}.toggle-title{display:block;margin-bottom:3px;font-size:14px;font-weight:600}.toggle-row .field-hint{margin:0}.toggle-row code{font-family:var(--font-mono);font-size:.9em}