:root{color-scheme:light;--bg:#f5f7f6;--surface:#ffffff;--surface-strong:#f0f5f4;--text:#18211f;--muted:#63706c;--line:#dce5e1;--accent:#0f7b6c;--accent-strong:#095f54;--accent-soft:#dff2ed;--blue:#2f63b7;--amber:#a15d12;--red:#b43d43;--shadow:0 18px 48px rgba(30,44,39,0.08);--font-ui:16px;--font-ui-xs:0.84rem;--font-ui-sm:0.92rem;--font-ui-md:1rem;--font-control:1rem;--font-reading:1.16rem;--font-reading-table:0.98rem;--line-ui:1.5;--line-reading:1.9;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans SC,Inter,ui-sans-serif,system-ui,sans-serif}@media (prefers-color-scheme:dark){:root{color-scheme:dark;--bg:#111917;--surface:#182320;--surface-strong:#1f2e2a;--text:#eef5f2;--muted:#a4b4ae;--line:#31433e;--accent:#57c2ab;--accent-strong:#8adcc9;--accent-soft:#183b35;--blue:#8fb5ff;--amber:#e1a95f;--red:#ff9a9f;--shadow:0 18px 48px rgba(0,0,0,0.32)}}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-width:320px;min-height:100vh;font-size:var(--font-ui);line-height:var(--line-ui);background:linear-gradient(180deg,rgba(235,242,239,.82),rgba(245,247,246,0) 42%),var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid rgba(15,123,108,.28);outline-offset:3px}.app-shell{width:min(1180px,calc(100vw - 32px));margin:0 auto;padding:32px 0;display:flex;align-items:flex-start}.auth-shell{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:24px}.auth-backdrop{position:absolute;inset:0;padding:0;border:0;background:rgba(12,20,18,.42);cursor:default}.auth-card{position:relative;z-index:1;width:min(460px,100%);max-height:min(720px,calc(100vh - 48px));overflow:auto;padding:28px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);box-shadow:var(--shadow)}.auth-card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.auth-card h1{font-size:2.1rem;line-height:1.05}.icon-button{width:36px;height:36px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--muted);font-size:1.35rem;font-weight:700;line-height:1;cursor:pointer}.icon-button:hover{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent-strong)}.auth-tabs{margin-top:22px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:4px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-strong)}.auth-tabs button{height:38px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:var(--font-ui-sm);font-weight:700;cursor:pointer}.auth-tabs button.is-selected{background:var(--surface);color:var(--accent-strong);box-shadow:inset 0 0 0 1px var(--accent-border)}.auth-form{margin-top:20px;display:grid;gap:16px}.auth-code-intro p,.auth-email-help,.auth-legal-copy{margin:0;color:var(--muted);font-size:var(--font-ui-sm)}.auth-code-intro{display:grid;gap:6px}.auth-code-intro h2{margin:0;font-size:1.08rem}.auth-code-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px}.auth-code-actions button:disabled{cursor:not-allowed;opacity:.58}.auth-legal-copy{margin-top:18px;line-height:1.6;text-align:center}.auth-legal-copy a{color:inherit;text-underline-offset:3px}.account-form input,.auth-form input{height:46px;padding:0 12px}.workspace{width:100%;display:grid;grid-template-columns:minmax(320px,440px) minmax(0,1fr);align-items:start;gap:18px}.single-workspace{grid-template-columns:minmax(0,720px);justify-content:center}.compose-panel,.history-panel,.progress-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow)}.compose-panel{padding:24px}.progress-panel{min-height:0;padding:22px;display:flex;flex-direction:column}.history-panel{grid-column:1/-1;padding:24px}.brand-row,.history-header,.status-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.brand-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.auth-actions{display:inline-flex;gap:8px}.guest-action{min-height:30px;padding:0 12px;border:1px solid var(--accent-border);border-radius:var(--radius-pill);background:var(--surface);color:var(--accent-strong);font-size:.88rem;font-weight:700;cursor:pointer}.guest-action.primary{border-color:var(--accent);background:var(--accent);color:white}.guest-action:hover{background:var(--accent-soft)}.guest-action.primary:hover{background:var(--accent-strong)}.account-chip{min-height:30px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--accent-border);border-radius:var(--radius-pill);background:var(--accent-soft);color:var(--accent-strong);font-size:.88rem;font-weight:700;cursor:pointer}.account-chip b{color:var(--blue);font-size:var(--font-ui-xs)}.eyebrow{margin:0 0 8px;color:var(--accent);font-size:.8rem;font-weight:700;text-transform:uppercase}.eyebrow,h1,h2{letter-spacing:0}h1,h2{margin:0}h1{font-size:3.25rem;line-height:.98}h2{font-size:1.65rem;line-height:1.18}.service-pill,.status-chip{flex:0 0 auto;min-height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-pill);padding:0 12px;border:1px solid var(--line);background:var(--surface-strong);color:var(--muted);font-size:.88rem;font-weight:600;white-space:nowrap}.service-pill.ok,.status-chip.completed{border-color:var(--accent-border);background:var(--accent-soft);color:var(--accent-strong)}.service-pill.error,.status-chip.failed{border-color:#f0c6c8;background:#fff0f1;color:var(--red)}.status-chip.idle,.status-chip.processing,.status-chip.queued,.status-chip.retrying,.status-chip.running{border-color:var(--info-border);background:#eef4ff;color:var(--blue)}.status-chip.compact{min-height:26px;padding:0 9px;font-size:.82rem}.content-form{margin-top:32px;display:grid;gap:18px}.field{display:grid;gap:8px}.field span{color:var(--muted);font-size:.94rem;font-weight:700}input[type=email],input[type=number],input[type=password],input[type=search],input[type=text],select,textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-input);color:var(--text);font-size:var(--font-control);line-height:var(--line-ui);outline:none;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}@media (prefers-color-scheme:dark){.account-chip,.account-summary div,.artifact-file,.artifact-metric,.artifact-panel,.auth-card,.choice-control,.credit-row,.drawer-panel,.export-options label,.guest-action,.history-item,.icon-button,.progress-metrics div,.segmented-control,.stage-item,.time-strip span,.user-row,input[type=email],input[type=number],input[type=password],input[type=search],input[type=text],select,textarea{background:#1c2925}}textarea{min-height:170px;resize:vertical;padding:14px;font-size:1.04rem;line-height:1.65}select{height:46px;padding:0 12px}input[type=email]:focus,input[type=number]:focus,input[type=password]:focus,input[type=search]:focus,input[type=text]:focus,select:focus,textarea:focus{border-color:var(--accent);background:#ffffff;box-shadow:0 0 0 3px rgba(15,123,108,.14)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.choice-control{min-height:82px;display:grid;align-content:center;gap:4px;text-align:left;padding:14px;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text);cursor:pointer}.choice-control b{font-size:1.02rem;line-height:1.25}.choice-control small{color:var(--muted);font-size:.86rem;font-weight:700}.choice-control.is-selected,.choice-control:hover{border-color:var(--accent)}.segmented-control{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-input)}.segmented-control.multi-line{display:flex}.segmented-control button{min-height:36px;padding:0 12px;border:0;border-radius:6px;background:transparent;color:var(--muted);font-size:.94rem;font-weight:700;cursor:pointer}.segmented-control button.is-selected,.segmented-control button:hover{background:var(--surface);color:var(--accent-strong);box-shadow:inset 0 0 0 1px var(--accent-border)}.option-note{margin:8px 0 0;color:var(--muted);font-size:.9rem;line-height:1.55;font-weight:700}.export-options{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;border:0}.export-options legend{width:100%;margin-bottom:2px;color:var(--muted);font-size:.94rem;font-weight:700}.export-options label{min-height:38px;display:inline-flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-input);color:var(--text);font-size:.94rem;font-weight:700;cursor:pointer}.export-options input{width:16px;height:16px;accent-color:var(--accent)}.export-options .locked-option{color:var(--accent-strong);background:var(--accent-soft)}.estimate-strip{display:flex;flex-wrap:wrap;gap:8px;padding:12px;border:1px solid var(--info-border);border-radius:var(--radius-sm);color:var(--muted);font-size:.9rem;font-weight:700}.estimate-strip span{min-height:26px;display:inline-flex;align-items:center;gap:4px;padding:0 9px;border-radius:var(--radius-pill);background:white}.estimate-strip b{color:var(--blue)}.download-button,.ghost-button,.primary-button,.view-button{height:48px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;font-size:1rem;font-weight:700;text-decoration:none;cursor:pointer}.primary-button{width:100%;background:var(--accent);color:white}.download-button:hover,.primary-button:hover,.view-button:hover{background:var(--accent-strong)}.primary-button:disabled{cursor:not-allowed;background:#9bb8b1}.button-icon,.download-icon,.view-icon{width:16px;height:16px;display:inline-block;position:relative}.view-icon{border:2px solid;border-radius:var(--radius-pill)}.view-icon:before{left:5px;top:5px;width:3px;height:3px}.view-icon:after,.view-icon:before{content:"";position:absolute;border-radius:var(--radius-pill);background:currentColor}.view-icon:after{right:-5px;bottom:-3px;width:7px;height:2px;transform:rotate(45deg)}.button-icon:after,.button-icon:before{content:"";position:absolute;background:currentColor}.button-icon:before{inset:7px 1px 7px 1px}.button-icon:after{inset:1px 7px 1px 7px}.download-icon{border:2px solid;border-top:0;border-radius:0 0 3px 3px}.download-icon:before{content:"";position:absolute;left:5px;top:0;width:2px;height:10px;background:currentColor}.download-icon:after{content:"";position:absolute;left:3px;top:6px;width:8px;height:8px;border-right:2px solid;border-bottom:2px solid;transform:rotate(45deg)}.topic-line{margin-top:14px;line-height:1.5;overflow-wrap:anywhere}.stage-detail,.topic-line{min-height:24px;color:var(--muted);font-size:.96rem}.stage-detail{margin:8px 0 0;line-height:1.45}.meter{height:10px;margin:16px 0 14px;border-radius:var(--radius-pill);background:#e7eeeb;overflow:hidden}.time-strip{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px;color:var(--muted);font-size:.9rem;font-weight:700}.time-strip span{min-height:28px;display:inline-flex;align-items:center;gap:5px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--surface-input)}.time-strip b{color:var(--text)}.progress-details{margin-top:12px;border-top:1px solid var(--line)}.progress-details summary{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;color:var(--text);font-weight:800;cursor:pointer}.progress-details summary::-webkit-details-marker{display:none}.progress-details summary:after{content:"展开";color:var(--muted);font-size:.84rem;font-weight:700}.progress-details[open] summary:after{content:"收起"}:lang(zh-Hant) .progress-details summary:after{content:"展開"}:lang(zh-Hant) .progress-details[open] summary:after{content:"收起"}:lang(en) .progress-details summary:after{content:"Expand"}:lang(en) .progress-details[open] summary:after{content:"Collapse"}:lang(ja) .progress-details summary:after{content:"展開"}:lang(ja) .progress-details[open] summary:after{content:"折りたたむ"}.progress-details summary small{color:var(--muted);font-size:.86rem;font-weight:700}.progress-details-body{display:grid;gap:12px;padding:2px 0 4px}.progress-panel.is-idle .progress-details{display:none}.meter-fill{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),#2f63b7);transition:width .3s ease}.progress-metrics{display:grid;gap:8px;margin-bottom:12px}.progress-metrics div{min-height:52px;display:grid;align-content:center;gap:2px;padding:9px 10px;border:1px solid var(--line);border-radius:var(--radius-sm)}.progress-metrics span{color:var(--muted);font-size:.86rem;font-weight:700}.progress-metrics b{color:var(--accent-strong);font-size:1.16rem;line-height:1}.stage-list{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:0}.stage-item{position:relative;min-height:74px;display:grid;grid-template-columns:1fr;justify-items:center;align-content:start;gap:8px;padding:0 4px;border:0;background:transparent;text-align:center}.stage-item:before{content:"";position:absolute;z-index:0;top:14px;left:0;right:0;height:2px;background:var(--line)}.stage-item:first-child:before{left:50%}.stage-item:last-child:before{right:50%}.stage-text{min-width:0;display:grid;justify-items:center;gap:0}.stage-index{position:relative;z-index:1;width:28px;height:28px;border-radius:var(--radius-pill);display:inline-flex;align-items:center;justify-content:center;background:#edf2f0;color:var(--muted);font-size:.84rem;font-weight:700;box-shadow:0 0 0 4px var(--surface)}.stage-name{max-width:82px;min-width:0;font-size:.78rem;font-weight:700;line-height:1.25;overflow-wrap:anywhere}.stage-subtext{display:none}.stage-item.done{background:transparent}.stage-item.active .stage-index,.stage-item.done .stage-index{background:var(--accent);color:white}.stage-item.active,.stage-item.failed{background:transparent}.stage-item.failed .stage-index{background:var(--red);color:white}.stage-item.active:before,.stage-item.done:before{background:var(--accent-border)}.result-bar{margin-top:4px;padding-top:12px;display:flex;flex-wrap:wrap;gap:10px}.progress-panel.is-complete .result-bar{margin-top:10px}.download-button,.view-button{min-width:150px;padding:0 18px;background:var(--accent);color:white}.ghost-button{min-width:120px;padding:0 16px;background:white;color:var(--accent-strong);border:1px solid var(--accent-border)}.ghost-button:hover{background:var(--accent-soft)}details.download-menu{position:relative;display:inline-flex}details.download-menu>summary{list-style:none}details.download-menu>summary::-webkit-details-marker{display:none}.download-menu-panel{min-width:190px;position:absolute;z-index:20;top:calc(100% + 8px);right:0;display:grid;gap:6px;padding:8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:white;box-shadow:var(--shadow)}.download-option{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 10px;border-radius:var(--radius-sm);color:var(--text);font-size:.92rem;font-weight:700;text-decoration:none;white-space:nowrap}.download-option:hover{background:var(--accent-soft)}.download-option b{color:var(--accent-strong);font-size:var(--font-ui-xs)}.result-download-menu{display:inline-flex}.result-download-menu[hidden]{display:none}.danger-button{width:100%;height:44px;margin-top:18px;border:1px solid #f0c6c8;border-radius:var(--radius-sm);background:#fff6f6;color:var(--red);font-weight:700;cursor:pointer}.danger-button:hover{background:#fff0f1}.message-line{min-height:24px;margin-top:18px;color:var(--muted);font-size:.94rem;line-height:1.45}.message-line.error{color:var(--red)}.account-drawer{position:fixed;inset:0;z-index:20;display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,440px)}.drawer-backdrop{background:rgba(12,20,18,.36)}.drawer-panel{min-height:100vh;max-height:100vh;overflow:auto;padding:24px;border-left:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow)}.admin-header,.drawer-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.account-summary{margin-top:20px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.account-summary div{min-height:74px;display:grid;align-content:center;gap:5px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-input)}.account-summary span,.user-meta,.user-row label span{color:var(--muted);font-size:.84rem;font-weight:700}.account-summary b{min-width:0;color:var(--text);font-size:1rem;overflow-wrap:anywhere}.account-form{margin-top:18px;display:grid;gap:12px}.drawer-section{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}.drawer-section summary{min-height:42px;display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--text);font-weight:800;cursor:pointer}.drawer-section summary::-webkit-details-marker{display:none}.drawer-section summary:after{content:"展开";color:var(--muted);font-size:.84rem;font-weight:700}.drawer-section[open] summary:after{content:"收起"}:lang(zh-Hant) .drawer-section summary:after{content:"展開"}:lang(zh-Hant) .drawer-section[open] summary:after{content:"收起"}:lang(en) .drawer-section summary:after{content:"Expand"}:lang(en) .drawer-section[open] summary:after{content:"Collapse"}:lang(ja) .drawer-section summary:after{content:"展開"}:lang(ja) .drawer-section[open] summary:after{content:"折りたたむ"}.drawer-section summary small{color:var(--muted);font-size:.84rem;font-weight:700}.drawer-section-body{padding-top:4px}.drawer-section .account-form:first-child{margin-top:4px}.drawer-section.account-ledger,.drawer-section.admin-panel{margin-top:18px;padding-top:14px}.admin-header h3{margin:0;font-size:1.1rem}.credit-list,.user-list{margin-top:14px;display:grid;gap:10px}.credit-row,.user-row{display:grid;gap:12px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-input)}.credit-row{min-height:58px;grid-template-columns:minmax(0,1fr) auto;align-items:center}.credit-meta,.credit-title{margin:0;overflow-wrap:anywhere}.credit-title{font-weight:800}.credit-meta{color:var(--muted);font-size:.86rem;line-height:1.45}.credit-amount{font-weight:800}.credit-amount.positive{color:var(--accent-strong)}.credit-amount.negative{color:var(--red)}.user-main{min-width:0;display:grid;gap:5px}.user-title{font-weight:800}.user-meta,.user-title{margin:0;overflow-wrap:anywhere}.user-meta{line-height:1.45}.user-controls{display:grid;grid-template-columns:1fr 1fr 110px 82px;gap:8px}.user-controls label{display:grid;gap:6px}.user-controls input,.user-controls select{height:36px;padding:0 10px}.user-controls button{align-self:end;min-width:0;height:36px}.history-list{margin-top:18px;display:grid;gap:10px}.history-controls{margin-top:18px;display:grid;grid-template-columns:minmax(180px,1fr) minmax(150px,190px);gap:12px;align-items:end}.history-search,.history-status{display:grid;gap:8px}.history-search span,.history-status span{color:var(--muted);font-size:.9rem;font-weight:700}.history-search input,.history-status select{height:44px;padding:0 12px}.history-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:center;min-height:96px;padding:14px;border:1px solid var(--line);border-radius:var(--radius-sm)}.history-item.sample{align-items:stretch}.history-item.sample .history-actions{align-content:center}.sample-tag{width:fit-content;min-height:24px;display:inline-flex;align-items:center;padding:0 8px;border-radius:var(--radius-pill);background:var(--accent-soft);color:var(--accent-strong);font-size:.8rem;font-weight:800}.history-main{min-width:0;display:grid;gap:7px}.history-title{margin:0;font-size:1.05rem;font-weight:800;line-height:1.35;overflow-wrap:anywhere}.history-empty,.history-meta,.history-stage,.history-topic{margin:0;color:var(--muted);font-size:.92rem;line-height:1.45;overflow-wrap:anywhere}.history-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.public-badge{display:inline-flex;align-items:center;min-height:24px;padding:0 9px;border-radius:999px;border:1px solid rgba(31,105,74,.2);background:#eef8f3;color:#28664b;font-size:.78rem;font-weight:800}.history-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.history-action{min-width:76px;min-height:36px;padding:0 12px;border-radius:var(--radius-sm);border:1px solid 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