:root{color-scheme:light;--bg: #f7f3ec;--bg-panel: #fbf8f2;--bg-elevated: rgba(255, 252, 247, .84);--bg-strong: #fffdf9;--text: #25211d;--muted: #8a7f72;--line: rgba(37, 33, 29, .08);--line-strong: rgba(37, 33, 29, .14);--accent: #1f1a16;--accent-soft: rgba(31, 26, 22, .06);--accent-warm: #a16207;--green: #0f766e;--red: #b42318;--sans: "IBM Plex Sans", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;--mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;color:var(--text);font-family:var(--sans);background:radial-gradient(circle at top left,rgba(255,248,237,.9),transparent 28%),linear-gradient(180deg,#f8f4ed,#f4efe7);overflow:hidden}button,input,textarea{font:inherit}a{color:inherit}.workspace-shell{height:100vh;display:grid;grid-template-columns:minmax(400px,500px) minmax(0,1fr)}.sidebar-shell{position:relative;display:grid;grid-template-columns:52px minmax(0,1fr);min-width:0;border-right:1px solid var(--line);background:#faf6efcc}.sidebar-rail{display:flex;align-items:flex-start;justify-content:center;padding-top:18px;border-right:1px solid var(--line);background:#f8f3eadb}.rail-button,.composer-send,.command-chip,.history-entry,.working-row,.tree-entry,.toolbar-button{border:none;background:transparent;color:inherit;cursor:pointer}.rail-button{width:32px;height:32px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:background-color .16s ease,color .16s ease}.rail-button:hover,.history-entry:hover,.working-row:hover,.tree-entry:hover,.toolbar-button:hover,.command-chip:hover,.history-delete:hover{background:var(--accent-soft);color:var(--text)}.rail-button svg,.composer-send svg,.command-chip svg,.browser-tree-head svg,.tree-entry svg{width:18px;height:18px}.history-drawer{position:absolute;top:0;bottom:0;left:52px;z-index:5;width:276px;display:flex;flex-direction:column;background:#fbf8f2f5;border-right:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.history-drawer-head{height:62px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;color:var(--muted);letter-spacing:.04em;text-transform:uppercase;font-size:12px}.history-drawer-body{min-height:0;overflow-y:auto;padding:6px 12px 18px}.history-drawer-actions{padding:0 12px 10px}.history-action{width:100%;min-height:38px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#fffcf6d9;text-align:left;color:var(--text);transition:background-color .16s ease,border-color .16s ease}.history-action:hover{background:#1f1a160a;border-color:var(--line-strong)}.history-entry{width:100%;padding:10px 10px 12px;text-align:left;border-radius:14px;transition:background-color .16s ease}.history-card+.history-card{margin-top:6px}.history-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:center}.history-delete{min-height:32px;padding:0 10px;border:none;border-radius:10px;background:transparent;color:var(--muted);cursor:pointer;white-space:nowrap}.history-entry-title{font-size:14px;line-height:1.45}.history-entry-meta{margin-top:6px;display:flex;gap:10px;color:var(--muted);font-size:12px}.sidebar-main{min-width:0;min-height:0;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;padding:18px 20px 18px 22px;gap:14px;overflow:clip}.sidebar-header{min-height:44px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.workspace-title{font-size:24px;font-weight:600;letter-spacing:-.03em}.workspace-meta{display:flex;gap:12px;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}.workspace-meta.is-busy .status-indicator{display:inline-block;animation:busyTextHop 1.05s ease-in-out infinite}.workspace-meta.is-busy{color:var(--accent-warm)}.checker-banner{width:100%;padding:12px 14px;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:start;gap:12px;text-align:left;border-radius:16px;background:#fffcf6d6;box-shadow:inset 0 0 0 1px #1f1a1614;transition:background-color .16s ease,box-shadow .16s ease,transform .16s ease}.checker-banner:hover{transform:translateY(-1px)}.checker-banner.is-pass{background:#29674314;box-shadow:inset 0 0 0 1px #2967432e}.checker-banner.is-revise{background:#b4530917;box-shadow:inset 0 0 0 1px #b4530938}.checker-banner.is-ask_more{background:#a162071c;box-shadow:inset 0 0 0 1px #a1620738}.checker-banner.is-running{background:#6e490d14;box-shadow:inset 0 0 0 1px #a162072e}.checker-banner-label{color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.checker-banner-copy{min-width:0;display:grid;gap:4px}.checker-banner-title{font-size:14px;font-weight:600;line-height:1.45}.checker-banner-detail{color:var(--muted);font-size:11px;line-height:1.45}.status-dots{display:inline-flex;align-items:center;gap:4px}.status-dots i{display:inline-block;width:6px;height:6px;border-radius:999px;background:var(--accent-warm);animation:metaDotJump 1s ease-in-out infinite}.status-dots i:nth-child(2){animation-delay:.12s}.status-dots i:nth-child(3){animation-delay:.24s}.working-shell{min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr);overflow:hidden}.working-head{height:34px;display:flex;align-items:center;color:var(--muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.working-scroll{min-height:0;height:100%;overflow-y:auto;padding-right:6px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.working-row{width:100%;min-height:34px;padding:7px 6px;display:grid;grid-template-columns:12px minmax(0,1fr) auto;align-items:center;gap:10px;text-align:left;border-radius:12px;transition:background-color .16s ease}.working-row.is-active{background:#1f1a160e}.working-row.is-running .working-row-title,.working-row.is-running .working-row-detail{animation:workingFade 1.1s ease-in-out infinite}.working-dot{width:7px;height:7px;border-radius:999px;background:#25211d38}.working-dot.is-done{background:var(--green)}.working-dot.is-running{background:var(--accent-warm);animation:workingPulse 1s ease-in-out infinite}.working-dot.is-error{background:var(--red)}.working-row-main{min-width:0;display:flex;align-items:baseline;gap:8px;overflow:hidden;white-space:nowrap}.working-row-title{flex:0 0 auto;font-size:14px;line-height:1.35}.working-row-detail{min-width:0;flex:1 1 auto;color:var(--muted);font-size:12px;line-height:1.35;overflow:hidden;text-overflow:ellipsis}.working-row-side{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px;white-space:nowrap}.working-row-actor{text-transform:uppercase;letter-spacing:.05em}.composer-shell{display:grid;gap:10px}.command-strip{display:flex;flex-wrap:wrap;gap:8px}.command-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fffcf6c7;color:var(--muted)}.composer-bar{min-height:112px;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:12px;padding:12px 0 0;border-top:1px solid var(--line)}.composer-input{width:100%;min-height:64px;max-height:200px;padding:10px 0 14px;border:none;outline:none;resize:none;background:transparent;color:var(--text);font-size:19px;line-height:1.7}.composer-input::placeholder{color:#b1a79b}.composer-send{width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fffdf8;transition:transform .16s ease,opacity .16s ease}.composer-send:hover{transform:translateY(-1px)}.composer-send:disabled{opacity:.55;cursor:default;transform:none}.composer-send.is-busy{background:#3a312b}.composer-note{min-height:18px;color:var(--muted);font-size:12px}.composer-note.is-error{color:var(--red)}.composer-note.is-success{color:var(--green);font-size:13px;padding:6px 0 0}.browser-shell{min-width:0;min-height:0;display:grid;grid-template-columns:240px minmax(0,1fr);background:#fffdf994}.browser-tree{min-width:0;min-height:0;padding:18px 12px 18px 14px;border-right:1px solid var(--line);overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.browser-tree-head{height:34px;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}.tree-group-label{margin:10px 10px 6px;color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.tree-entry{width:100%;min-height:34px;padding:8px 10px;display:grid;grid-template-columns:18px minmax(0,1fr) auto;align-items:center;gap:10px;border-radius:12px;text-align:left}.tree-entry.is-active{background:#1f1a160f}.tree-entry.is-highlighted{background:#a1620724;box-shadow:inset 0 0 0 1px #a1620752}.tree-entry span,.tree-entry small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-entry small{color:var(--muted);font-size:11px}.browser-viewer{min-width:0;min-height:0;display:grid;grid-template-rows:auto auto minmax(0,1fr);overflow:clip}.viewer-head{min-height:58px;padding:14px 22px 12px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line)}.checker-panel{padding:10px 18px 12px;display:flex;align-items:flex-start;justify-content:space-between;gap:12px;border-bottom:1px solid rgba(31,26,22,.06);background:#faf6ef94;transition:max-height .3s ease,padding .3s ease,opacity .3s ease;overflow:hidden}.checker-panel.is-collapsed{max-height:52px;padding:10px 18px}.checker-panel.is-collapsed .checker-panel-copy,.checker-panel.is-collapsed .checker-panel-actions{display:none}.checker-panel-collapsed-summary{display:none;color:var(--muted);font-size:12px;line-height:1.5}.checker-panel.is-collapsed .checker-panel-collapsed-summary{display:block;min-width:0}.checker-panel.is-pass{background:#2967430f}.checker-panel.is-revise{background:#b4530914}.checker-panel.is-ask_more{background:#a162071a}.checker-panel.is-running{background:#6e490d0f}.checker-panel-copy{min-width:0;display:grid;gap:4px}.checker-state-badge{width:32px;height:32px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;color:var(--text);background:#1f1a1612;box-shadow:inset 0 0 0 1px #1f1a1614}.checker-state-badge svg{width:18px;height:18px}.checker-state-badge.is-pass{color:#1f6d47;background:#1f6d471f;box-shadow:inset 0 0 0 1px #1f6d4729}.checker-state-badge.is-revise{color:#b45309;background:#b4530924;box-shadow:inset 0 0 0 1px #b453092e}.checker-state-badge.is-ask_more{color:#a16207;background:#a1620724;box-shadow:inset 0 0 0 1px #a162072e}.checker-state-badge.is-running{color:#8b5e16;background:#8b5e161f;box-shadow:inset 0 0 0 1px #8b5e1629}.checker-spin-icon{animation:checkerSpin 1s linear infinite}.checker-panel-kicker{color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.checker-panel-copy strong{font-size:14px;line-height:1.45}.checker-panel-copy p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}.checker-panel-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.checker-panel-button{min-height:34px;padding:0 12px;border-radius:10px;color:var(--text);background:#fffcf6bf;box-shadow:inset 0 0 0 1px #1f1a1614}.checker-panel-button.is-strong{background:var(--accent);color:#fffdf8;box-shadow:none}.viewer-breadcrumb{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:14px}.viewer-toolbar{display:flex;align-items:center;gap:8px}.toolbar-button{min-height:34px;padding:0 12px;border-radius:10px;display:inline-flex;align-items:center;gap:8px;color:var(--muted)}.toolbar-button.is-strong{background:var(--accent);color:#fffdf8}.brief-editor{display:grid;gap:16px;min-height:0;overflow:auto;height:100%;padding:24px 26px 28px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.asker-card{display:grid;gap:16px;padding:18px 18px 20px;border:1px solid var(--line);border-radius:18px;background:#fffcf7c7}.asker-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.asker-kicker{color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:uppercase}.asker-title{margin-top:4px;font-size:20px;line-height:1.3}.asker-progress{color:var(--muted);font-size:12px;letter-spacing:.06em}.asker-summary{color:var(--muted);line-height:1.7}.asker-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.asker-fact{display:grid;gap:4px;padding:12px 14px;border-radius:14px;background:#1f1a160a}.asker-fact strong{font-size:13px}.asker-fact span{color:var(--muted);font-size:13px;line-height:1.6}.asker-empty{display:grid;gap:14px}.asker-empty p{margin:0;color:var(--muted);line-height:1.7}.asker-question-card{display:grid;gap:14px}.asker-question-meta{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:12px;letter-spacing:.06em;text-transform:uppercase}.asker-question-prompt{font-size:18px;line-height:1.55}.asker-question-reason{color:var(--muted);line-height:1.6}.asker-options{display:grid;gap:10px}.asker-option{width:100%;display:grid;grid-template-columns:28px minmax(0,1fr);gap:12px;align-items:flex-start;padding:14px 15px;border:1px solid var(--line);border-radius:16px;background:#fffcf6c2;cursor:pointer;transition:border-color .16s ease,background-color .16s ease,transform .16s ease}.asker-option:hover{border-color:var(--line-strong);transform:translateY(-1px)}.asker-option.is-active{border-color:#a1620759;background:#a1620714}.asker-option-id{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:999px;background:#1f1a160f;font-size:12px}.asker-option-copy{display:grid;gap:4px;text-align:left}.asker-option-copy strong{font-size:14px}.asker-option-copy small{color:var(--muted);font-size:12px;line-height:1.5}.asker-freeform textarea{min-height:110px}.asker-freeform>span{display:none}.asker-freeform:before{content:attr(data-freeform-label);color:var(--muted);font-size:13px}.asker-actions{display:flex;justify-content:flex-end}.asker-primary{min-height:40px;padding:0 16px;border:none;border-radius:12px;background:var(--accent);color:#fffdf8;cursor:pointer}.brief-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.brief-field{display:grid;gap:8px}.brief-field span{color:var(--muted);font-size:13px}.brief-field textarea,.brief-field input{width:100%;padding:0;border:none;outline:none;background:transparent;color:var(--text);font-size:15px;line-height:1.8;border-bottom:1px solid var(--line)}.brief-field textarea{resize:vertical;min-height:140px}.viewer-body{min-height:0;height:100%;display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:18px;overflow:clip;padding:24px 26px 20px}.viewer-body-head{display:grid;gap:8px}.viewer-body-title{font-size:26px;line-height:1.25;letter-spacing:-.03em}.viewer-body-summary{color:var(--muted);line-height:1.7}.viewer-body-meta{color:var(--muted);font-size:12px;letter-spacing:.04em}.viewer-render-status{min-height:36px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;width:fit-content;max-width:100%;border-radius:999px;color:var(--muted);background:#1f1a160b;box-shadow:inset 0 0 0 1px #1f1a160f;font-size:12px;letter-spacing:.02em}.viewer-render-status.is-busy:before{content:"";width:8px;height:8px;border-radius:999px;background:var(--accent-warm);animation:workingPulse 1s ease-in-out infinite}.viewer-render-frame{position:relative;min-height:0;height:100%;overflow:clip;border-radius:24px}.viewer-render-frame.is-compiling:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.34) 46%,transparent 100%);transform:translate(-120%);animation:renderSweep .72s ease}.viewer-render-frame.is-compiling .artifact-editor,.viewer-render-frame.is-compiling .artifact-preview,.viewer-render-frame.is-compiling .viewer-text,.viewer-render-frame.is-compiling .viewer-code{filter:saturate(.96) blur(.2px);transform:scale(.996)}.artifact-render-stage{min-height:0;height:100%;display:grid;animation:renderRise .28s ease}.viewer-text,.viewer-code{margin:0;min-height:0;height:100%;white-space:pre-wrap;font-size:14px;line-height:1.9;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.viewer-code{white-space:pre;overflow:auto;font-family:var(--mono);line-height:1.75}.artifact-editor{width:100%;height:100%;min-height:0;padding:18px 20px;border:1px solid var(--line);border-radius:20px;outline:none;resize:none;background:#fffcf7cc;color:var(--text);font-size:14px;line-height:1.9;font-family:var(--mono);overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.artifact-preview{display:grid;min-height:0;height:100%;gap:16px;overflow:auto;padding-right:4px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;touch-action:pan-y}.artifact-preview-heading{margin:0;font-size:18px;line-height:1.45}.artifact-preview-heading.is-large{font-size:24px;line-height:1.3}.artifact-preview-paragraph{margin:0;font-size:14px;line-height:1.85}.artifact-preview-list{margin:0;padding-left:20px;display:grid;gap:8px}.artifact-preview-list li{line-height:1.8}.viewer-image-wrap{overflow:hidden}.viewer-image{display:block;max-width:100%}.viewer-file{display:grid;gap:10px}.viewer-file-name{font-size:18px}.checker-review{display:grid;gap:14px}.checker-review-section{padding:16px 18px;display:grid;gap:12px;border-radius:18px;background:#fffcf6db;box-shadow:inset 0 0 0 1px #1f1a1612}.checker-review-head{display:flex;align-items:center;gap:10px}.checker-review-head h3{margin:0;font-size:15px;line-height:1.45}.checker-review-index{min-width:34px;height:24px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:var(--accent-warm);background:#a162071c;font-size:11px;font-weight:600;letter-spacing:.08em}.checker-review-summary{display:grid;gap:10px}.checker-review-summary p{margin:0;color:var(--text);font-size:14px;line-height:1.8}.checker-review-list{margin:0;padding:0;display:grid;gap:10px;list-style:none}.checker-review-item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;align-items:start;color:var(--text);font-size:14px;line-height:1.75}.checker-review-item-mark{color:var(--accent-warm);font-weight:700}.checker-review-empty,.viewer-empty{color:var(--muted);font-size:14px}.toolbar-button-render{position:relative;font-size:0}.toolbar-button-render:after{content:attr(data-label);font-size:14px;line-height:1}@keyframes checkerSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes renderSweep{0%{transform:translate(-120%)}to{transform:translate(120%)}}@keyframes renderRise{0%{opacity:.28;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media(max-width:1440px){.workspace-shell{grid-template-columns:minmax(380px,460px) minmax(0,1fr)}.brief-grid{grid-template-columns:1fr}}@media(max-width:1180px){body{overflow:auto}.workspace-shell{height:auto;min-height:100vh;grid-template-columns:1fr}.sidebar-shell{border-right:none;border-bottom:1px solid var(--line)}.browser-shell{min-height:760px}.checker-panel{flex-direction:column}}@media(max-width:860px){.browser-shell{grid-template-columns:1fr}.browser-tree{border-right:none;border-bottom:1px solid var(--line)}.sidebar-shell{grid-template-columns:44px minmax(0,1fr)}.history-drawer{left:44px;width:calc(100% - 44px)}}@keyframes workingPulse{0%{transform:scale(.8);opacity:.45;box-shadow:0 0 #a162071a}50%{transform:scale(1.35);opacity:1;box-shadow:0 0 0 8px #a162071f}to{transform:scale(.8);opacity:.45;box-shadow:0 0 #a162071a}}@keyframes workingFade{0%,to{opacity:.65}50%{opacity:1}}@keyframes statusPulse{0%,to{opacity:.5;transform:translateY(0)}50%{opacity:1;transform:translateY(-1px)}}@keyframes metaDotJump{0%,to{transform:translateY(0);opacity:.35}50%{transform:translateY(-4px);opacity:1}}@keyframes busyTextHop{0%,to{opacity:.72;transform:translateY(0)}40%{opacity:1;transform:translateY(-1px)}60%{opacity:.9;transform:translateY(1px)}}