:root{--canvas:#f7f6f3;--surface:#fff;--ink:#202726;--muted:#6f7773;--line:#dfe3df;--accent:#2e6e66;--accent-soft:#e5f0ed;--warn:#8b651f;--warn-soft:#fbf2dc;--danger:#9b3a32;--radius:8px}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:15px/1.55 "Segoe UI","Microsoft YaHei",sans-serif}.topbar{height:68px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.84);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,72px);position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:11px;font-weight:650;letter-spacing:.01em}.brand-mark{display:grid;place-items:center;width:29px;height:29px;border:1px solid var(--ink);font-size:14px}.api-state{color:var(--muted);font-size:12px;display:flex;align-items:center;gap:8px}.state-dot{width:7px;height:7px;border-radius:50%;background:#b5bcb7}.state-dot.ready{background:var(--accent)}.shell{max-width:1280px;margin:0 auto;padding:58px clamp(20px,5vw,72px) 80px}.intro{display:flex;justify-content:space-between;gap:48px;align-items:flex-end;border-bottom:1px solid var(--line);padding-bottom:43px}.eyebrow{font:11px/1.2 "Cascadia Code",monospace;letter-spacing:.13em;color:var(--accent);margin:0 0 16px}.intro h1{font-size:clamp(32px,5vw,64px);line-height:1.05;letter-spacing:-.045em;margin:0;font-weight:650}.intro h1 em{font-style:normal;color:var(--accent)}.lede{max-width:580px;color:var(--muted);margin:22px 0 0;font-size:16px}.progress{display:flex;align-items:center;min-width:430px;padding-bottom:4px}.progress-step{display:grid;gap:5px;color:#9da5a1;font-size:11px;white-space:nowrap}.progress-step b{font:12px "Cascadia Code",monospace;color:#a8b0ac}.progress-step.active,.progress-step.active b{color:var(--accent)}.progress-line{height:1px;width:35px;background:var(--line);margin:0 10px}.workspace-grid{display:grid;grid-template-columns:minmax(300px,390px) 1fr;gap:58px;padding-top:42px}.section-heading{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--ink);padding-bottom:10px;margin-bottom:14px;font-weight:650}.section-heading small{font-size:12px;font-weight:400;color:var(--muted)}.file-card{display:flex;align-items:center;gap:13px;border:1px solid var(--line);background:var(--surface);padding:18px 16px;margin:10px 0;cursor:pointer;transition:border-color .18s,transform .18s}.file-card:hover{border-color:var(--accent);transform:translateY(-1px)}.file-index{display:grid;place-items:center;width:30px;height:30px;background:#eef0ed;font:12px "Cascadia Code",monospace}.file-index.note{background:var(--warn-soft);color:var(--warn)}.file-copy{display:grid;gap:2px;min-width:0;flex:1}.file-copy strong{font-size:14px}.file-copy small{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.choose{font-size:12px;color:var(--accent);font-weight:650}.optional-file{margin-top:20px;border-top:1px solid var(--line);padding-top:13px}.optional-file summary{cursor:pointer;color:var(--muted);font-size:13px}.compact{padding:12px}.compact .file-index{width:25px;height:25px}.privacy-note{display:flex;gap:9px;align-items:center;color:var(--muted);font-size:12px;margin:22px 0}.lock{color:var(--accent);border:1px solid #b8d2cb;padding:2px 6px;font:10px "Cascadia Code",monospace}.primary,.secondary{border:0;border-radius:5px;font:650 14px "Segoe UI","Microsoft YaHei",sans-serif;cursor:pointer;transition:transform .15s,background .15s}.primary{width:100%;background:var(--ink);color:white;padding:13px 20px}.primary:disabled{opacity:.35;cursor:not-allowed}.primary:not(:disabled):hover{background:#35403e}.primary:active,.secondary:active{transform:scale(.98)}.error{color:var(--danger);min-height:24px;font-size:13px;margin:10px 0}.empty-state{border:1px dashed #cbd1cd;min-height:330px;padding:48px 42px;display:flex;flex-direction:column;justify-content:center}.empty-rule{width:48px;height:4px;background:var(--accent);margin-bottom:28px}.empty-state h2{font-size:24px;letter-spacing:-.03em;margin:0 0 10px}.empty-state p{color:var(--muted);max-width:430px;margin:0}.hidden{display:none!important}.analysis-state{border:1px solid var(--line);background:white;padding:38px}.loader-bar{height:6px;background:var(--accent-soft);position:relative;overflow:hidden;margin-bottom:20px}.loader-bar:after{content:"";position:absolute;inset:0;width:38%;background:var(--accent);animation:load 1.2s ease-in-out infinite}@keyframes load{0%{transform:translateX(-110%)}100%{transform:translateX(290%)}}.analysis-state p{color:var(--muted);margin:0}.summary-row{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line);padding:8px 0 22px;margin-bottom:22px}.summary-row div{display:grid;gap:4px;border-right:1px solid var(--line);padding-left:15px}.summary-row div:first-child{padding-left:0}.summary-row div:last-child{border-right:0}.summary-row strong{font:26px "Cascadia Code",monospace;color:var(--accent)}.summary-row span{font-size:12px;color:var(--muted)}.feedback-list{display:grid;gap:9px}.feedback-item{display:grid;grid-template-columns:25px 1fr auto;gap:13px;align-items:start;border:1px solid var(--line);background:var(--surface);padding:15px}.feedback-item input{accent-color:var(--accent);margin-top:4px}.feedback-body{display:grid;gap:5px}.feedback-meta{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:11px}.tag{display:inline-block;padding:2px 7px;border-radius:999px;font-size:11px}.tag.formatting{background:var(--accent-soft);color:var(--accent)}.tag.flowchart{background:var(--warn-soft);color:var(--warn)}.tag.content,.tag.manual_review{background:#eef0ed;color:#5f6863}.feedback-text{margin:0;font-size:14px}.feedback-action{margin:0;color:var(--accent);font-size:12px}.anchor{font-size:12px;color:var(--muted);border-left:2px solid var(--line);padding-left:8px}.flow-preview{border-top:1px solid var(--line);margin-top:28px;padding-top:20px}.flow-title{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}.flow-title small{color:var(--muted);font-size:12px}.flow-canvas{display:flex;align-items:center;justify-content:space-between;gap:8px;border:1px solid var(--line);background:#fbfbfa;padding:24px 16px;color:var(--muted)}.flow-node{border:1px solid #aebbb5;background:white;padding:9px 12px;font-size:12px}.flow-node.accent{border-color:#79a79d;background:var(--accent-soft);color:var(--accent)}.confirm-row{display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.confirm-row span{font-size:12px;color:var(--muted)}.secondary{background:var(--accent);color:#fff;padding:10px 15px;white-space:nowrap}.secondary:disabled{opacity:.38;cursor:not-allowed}.download{color:var(--accent);font-size:13px;text-decoration:none;white-space:nowrap}.download:hover{text-decoration:underline}@media(max-width:900px){.intro{display:block}.progress{margin-top:30px;min-width:0}.workspace-grid{grid-template-columns:1fr;gap:38px}.intro h1{font-size:43px}}@media(max-width:560px){.shell{padding-top:35px}.progress{overflow:auto}.progress-line{width:18px;margin:0 7px}.summary-row{grid-template-columns:repeat(2,1fr);gap:18px}.summary-row div:nth-child(2){border-right:0}.summary-row div:nth-child(3){padding-left:0}.flow-canvas{overflow:auto;justify-content:flex-start}.confirm-row{align-items:flex-start;flex-direction:column}.topbar{padding:0 20px}}
/* mode switch */
.mode-switch{display:flex;align-items:center;gap:0;border-bottom:1px solid var(--line);padding-top:28px}.mode-button{appearance:none;border:0;border-bottom:2px solid transparent;background:transparent;color:var(--muted);padding:12px 18px 11px;cursor:pointer;font:650 14px "Segoe UI","Microsoft YaHei",sans-serif}.mode-button:first-child{padding-left:0}.mode-button.active{color:var(--ink);border-bottom-color:var(--accent)}.mode-button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.mode-switch>span{margin-left:auto;color:var(--muted);font-size:12px}@media(max-width:560px){.mode-switch{display:flex;flex-wrap:wrap}.mode-switch>span{width:100%;margin:5px 0 0}}
.manual-button{border:1px solid var(--line);background:transparent;color:var(--accent);padding:7px 9px;font:12px "Segoe UI","Microsoft YaHei",sans-serif;cursor:pointer;white-space:nowrap}.manual-button:hover:not(:disabled){border-color:var(--accent)}.manual-button:disabled{color:var(--muted);cursor:default}.manual-marker{display:grid;place-items:center;border:1px solid #d9e4df;color:var(--muted);font-size:10px;margin-top:2px;padding:4px 7px;white-space:nowrap}.feedback-item.processed{background:#f4f7f5;border-color:#b8d2cb}
.note-form{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.note-form>label{display:block;color:var(--muted);font-size:12px;margin-bottom:8px}.note-entry{display:flex;gap:10px;align-items:flex-start}.note-entry textarea{flex:1;resize:vertical;border:1px solid var(--line);padding:9px 10px;font:13px/1.5 "Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff}.note-entry textarea:focus{outline:2px solid var(--accent);outline-offset:1px}.note-entry .secondary{font-size:12px;padding:9px 12px}
.primary-download{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:5px;padding:11px 16px;font-weight:650;box-shadow:0 2px 0 rgba(32,39,38,.12)}.primary-download:hover{background:#245b55;color:#fff;text-decoration:none;transform:translateY(-1px)}
.result-notice{border:1px solid #ead7a8;background:var(--warn-soft);color:#6f541d;padding:12px 14px;margin-bottom:16px;font-size:13px}
.flow-canvas{display:block;overflow:auto}.flow-canvas svg{display:block;width:100%;height:auto;min-width:620px}.flow-svg-node{fill:#fff;stroke:#aebbb5;stroke-width:1.2}.flow-svg-node.accent{fill:var(--accent-soft);stroke:#79a79d}.flow-svg-label{fill:var(--ink);font:12px "Segoe UI","Microsoft YaHei",sans-serif}.flow-svg-edge{stroke:#68817b;stroke-width:1.5;fill:none}.flow-svg-arrow{fill:#68817b}.flow-note{margin:10px 0 0;color:var(--muted);font-size:12px}
.model-consent{margin:18px 0;padding:18px;border:1px solid var(--line);background:#fbfaf7}.model-consent-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}.model-consent-heading h3{margin:8px 0 0;font-size:16px}.model-consent>p{margin:8px 0 14px;color:var(--muted);line-height:1.65}.model-consent-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:0 0 14px;background:var(--line);border:1px solid var(--line)}.model-consent-grid>div{padding:12px;background:#fff}.model-consent-grid dt{color:var(--muted);font-size:12px}.model-consent-grid dd{margin:5px 0 0;font-weight:650;line-height:1.45}.model-consent-wide{grid-column:1/-1}@media(max-width:720px){.model-consent-grid{grid-template-columns:1fr}.model-consent-wide{grid-column:auto}}
.upload-column{position:sticky;top:92px;align-self:start}.review-column{min-width:0;max-height:calc(100dvh - 120px);overflow:auto;padding-right:12px;scrollbar-gutter:stable}.review-column::-webkit-scrollbar{width:8px}.review-column::-webkit-scrollbar-thumb{background:#c7d2ce;border-radius:8px}.review-column::-webkit-scrollbar-track{background:transparent}@media(max-width:900px){.upload-column{position:static}.review-column{max-height:none;overflow:visible;padding-right:0}}
 .credit-entry{display:grid;gap:6px;color:var(--muted);font-size:12px;margin:14px 0}.credit-entry input{border:1px solid var(--line);padding:10px 11px;border-radius:5px;font:14px "Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:white}.credit-activation{display:flex;gap:8px}.credit-activation input{min-width:0;flex:1}.credit-activation .secondary{font-size:12px;padding:8px 11px}
.model-panel{display:grid;gap:6px;border:1px solid var(--line);background:#fff;padding:11px 12px;margin:14px 0;color:var(--muted);font-size:12px}.model-panel select{border:1px solid var(--line);padding:9px 10px;border-radius:5px;font:13px "Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff}.model-panel small{font-size:11px}
.credit-banner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(820px,100%);margin:28px 0 0 auto;padding:18px 22px;border:1px solid #b8d2cb;background:var(--accent-soft);border-radius:8px}.credit-banner-copy{display:flex;align-items:center;gap:13px;min-width:0}.credit-badge{display:grid;place-items:center;flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font-size:12px;font-weight:650}.credit-banner h2{margin:0;font-size:16px;letter-spacing:-.02em}.credit-banner p{margin:3px 0 0;color:var(--muted);font-size:12px}.credit-banner .credit-activation{min-width:min(420px,40%)}.credit-banner .credit-activation input{min-width:0;flex:1;border:1px solid #b8d2cb;padding:10px 11px;border-radius:5px;font:14px "Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff}.credit-banner small{white-space:nowrap;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:900px){.credit-banner{align-items:stretch;flex-direction:column;gap:12px;width:100%;margin-left:0}.credit-banner .credit-activation{min-width:0}.credit-banner small{white-space:normal}}
.account-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.account-form input{min-width:150px;border:1px solid var(--line);padding:9px;border-radius:4px;font:14px "Segoe UI","Microsoft YaHei",sans-serif}.account-banner{display:grid;gap:9px}.account-banner .credit-banner-copy{align-items:start}
.auth-gate.account-banner{display:grid;gap:24px;width:min(680px,100%);margin:64px auto 0;padding:32px;background:#fff;border-color:#c9d9d4;box-shadow:0 18px 45px rgba(32,39,36,.07)}.auth-gate .credit-banner-copy{gap:16px}.auth-gate .credit-badge{width:40px;height:40px}.auth-kicker{margin:0 0 6px!important;color:var(--accent)!important;font:11px/1.2 "Cascadia Code",monospace!important;letter-spacing:.14em}.auth-gate h2{font-size:25px;line-height:1.2;margin:0 0 7px;letter-spacing:-.03em}.auth-gate .account-form{display:grid;grid-template-columns:1fr 1fr;gap:7px 12px;align-items:end}.auth-gate .account-form label{grid-column:span 1;color:var(--muted);font-size:12px;margin-bottom:-3px}.auth-gate .account-form input{min-width:0;width:100%;padding:12px;border-radius:5px}.auth-gate .auth-actions{grid-column:1/-1;display:flex;gap:8px;margin-top:5px}.auth-gate .auth-actions button{min-height:44px}.auth-gate .outline{background:#fff;color:var(--accent);border:1px solid #9ebdb5}.session-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(820px,100%);margin:28px 0 0 auto;padding:12px 16px;border:1px solid var(--line);background:#fff}.session-bar>div{display:grid;gap:2px;min-width:0}.session-bar strong{font-size:14px}.session-bar .small{display:block;white-space:normal}@media(max-width:560px){.auth-gate.account-banner{margin-top:35px;padding:24px 18px}.auth-gate .account-form{grid-template-columns:1fr}.auth-gate .account-form label{grid-column:auto}.auth-gate .auth-actions{grid-column:auto}.session-bar{align-items:flex-start;flex-direction:column;margin-left:0}.session-bar button{width:100%}}
.auth-gate .account-form .auth-field{display:grid;grid-column:span 1;gap:6px;color:var(--muted);font-size:12px;margin:0}.auth-gate .account-form .auth-field span{display:block}.auth-gate .account-form .auth-field input{font-size:15px}
.auth-gate .account-form{display:grid;grid-template-columns:1fr 1fr;gap:7px 12px;align-items:end}.auth-gate .account-form .auth-field{display:grid;grid-column:span 1;gap:6px;color:var(--muted);font-size:12px;margin:0}.auth-gate .account-form .auth-actions{grid-column:1/-1;display:flex;gap:8px;margin-top:5px}.auth-gate .account-form .auth-actions button{min-height:44px}.auth-gate .account-form input{min-width:0;width:100%;padding:12px;border-radius:5px}@media(max-width:560px){.auth-gate .account-form{grid-template-columns:1fr}.auth-gate .account-form .auth-field{grid-column:auto}.auth-gate .account-form .auth-actions{grid-column:auto}}
.header-actions{display:flex;align-items:center;gap:20px}.header-auth-button{border:0;border-radius:5px;background:var(--ink);color:#fff;padding:10px 16px;font:650 14px "Segoe UI","Microsoft YaHei",sans-serif;cursor:pointer}.header-auth-button:hover,.header-auth-button:focus-visible{background:#35403e;outline:2px solid var(--accent);outline-offset:3px}.auth-modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:24px}.auth-modal-backdrop{position:absolute;inset:0;background:rgba(32,39,36,.48)}.auth-dialog{position:relative;z-index:1;width:min(520px,100%);padding:34px;background:#fff;border:1px solid #c9d9d4;border-radius:10px;box-shadow:0 28px 70px rgba(32,39,36,.2)}.auth-close{position:absolute;top:14px;right:16px;width:36px;height:36px;border:0;background:transparent;color:var(--muted);font-size:25px;line-height:1;cursor:pointer}.auth-close:hover,.auth-close:focus-visible{color:var(--ink);outline:2px solid var(--accent);outline-offset:2px}.auth-dialog-head{display:flex;align-items:flex-start;gap:15px;padding-right:28px;margin-bottom:28px}.auth-dialog-head .credit-badge{width:40px;height:40px}.auth-dialog-head h2{font-size:28px;line-height:1.2;margin:0 0 7px}.auth-dialog-head p:not(.auth-kicker){margin:0;color:var(--muted);font-size:13px}.auth-dialog .account-form{display:grid;gap:15px}.auth-dialog .account-form .auth-field{display:grid;gap:6px;color:var(--muted);font-size:13px}.auth-dialog .account-form .auth-field input{min-height:46px;font-size:15px;padding:12px}.auth-dialog .auth-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:5px}.auth-dialog .auth-actions button{min-height:46px}.auth-dialog #authState{display:block;margin-top:18px;color:var(--danger)}.auth-dialog #quotaState{display:none}@media(max-width:560px){.header-actions{gap:10px}.api-state{display:none}.header-auth-button{padding:9px 12px}.auth-modal{padding:12px}.auth-dialog{padding:28px 20px}.auth-dialog .auth-actions{grid-template-columns:1fr}.auth-dialog-head h2{font-size:24px}}
.session-bar,#workbench>.credit-banner{width:100%;margin-left:0}.account-menu{position:relative}.account-trigger{display:grid;grid-template-columns:34px minmax(90px,1fr) 14px;align-items:center;gap:9px;border:1px solid var(--line);border-radius:24px;background:#fff;padding:5px 10px 5px 5px;color:var(--ink);cursor:pointer;min-width:150px;text-align:left}.account-trigger:hover,.account-trigger:focus-visible{border-color:#9ebdb5;outline:2px solid var(--accent);outline-offset:2px}.account-avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:#fff;font:650 12px "Cascadia Code",monospace}.account-trigger-copy{display:grid;gap:0;min-width:0}.account-trigger-copy strong,.account-trigger-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account-trigger-copy strong{font-size:13px}.account-trigger-copy small{color:var(--muted);font-size:11px}.account-chevron{color:var(--muted);font-size:15px;line-height:1;transform:translateY(-2px)}.account-dropdown{position:absolute;right:0;top:calc(100% + 10px);width:248px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 42px rgba(32,39,36,.16);z-index:8}.account-dropdown-head{display:grid;gap:2px;padding:10px 11px 12px;border-bottom:1px solid var(--line)}.account-dropdown-head strong{font-size:14px}.account-dropdown-head small{color:var(--muted);font-size:12px}.account-quota{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:11px;border-bottom:1px solid var(--line);font-size:12px}.account-quota span,.account-quota small{color:var(--muted)}.account-quota strong{font:650 12px "Cascadia Code",monospace;color:var(--accent);white-space:nowrap}.account-quota small{grid-column:1/-1;font-size:11px}.account-logout{width:100%;border:0;background:transparent;color:var(--danger);text-align:left;padding:11px;cursor:pointer;font:14px "Segoe UI","Microsoft YaHei",sans-serif;border-radius:6px}.account-logout:hover,.account-logout:focus-visible{background:#fff3f1;outline:2px solid var(--danger);outline-offset:-2px}@media(max-width:560px){.header-actions{gap:10px}.account-trigger{min-width:0;grid-template-columns:32px 14px;padding-right:8px}.account-trigger-copy{display:none}.account-avatar{width:32px;height:32px}.account-dropdown{right:-8px;width:min(248px,calc(100vw - 24px))}}