:root{--bg:#f3f5f2;--panel:#fff;--ink:#17211c;--muted:#617169;--line:#dce4df;--green:#1f7a55;--deep:#10271d;--soft:#eaf4ee;--orange:#d9783c;--red:#b94e4e;--gold:#b28b42;--shadow:0 12px 30px rgba(20,48,35,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(180deg,#fafcf9,#f0f4f1 520px);color:var(--ink);font:14px/1.55 Inter,"PingFang SC","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer;min-height:44px}.hidden{display:none!important}.app{min-height:100vh;display:grid;grid-template-columns:250px minmax(0,1fr)}.sidebar{height:100vh;position:sticky;top:0;background:linear-gradient(180deg,var(--deep),#0b1d15);color:#fff;padding:22px 17px;display:flex;flex-direction:column;z-index:35}.brand{display:flex;gap:11px;align-items:center;padding:2px 8px 22px}.brand-mark{width:44px;height:44px;border-radius:14px;background:#4a9c74;display:grid;place-items:center;font-weight:900;font-size:20px}.brand strong,.brand small{display:block}.brand small{color:#90aa9e;font-size:10px}.sidebar nav{display:grid;gap:6px}.nav{border:1px solid transparent;border-radius:12px;padding:10px 13px;background:transparent;color:#c8d5cf;text-align:left;display:flex;justify-content:space-between}.nav.active,.nav:hover{color:#fff;background:rgba(89,156,123,.2);border-color:rgba(138,196,168,.15)}.nav b{padding:1px 7px;border-radius:99px;background:rgba(255,255,255,.1)}.side-note{margin-top:auto;border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:13px;color:#aec1b8;background:rgba(255,255,255,.04);font-size:12px}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#70d7a3;margin-right:7px}.privacy{position:sticky;top:0;z-index:34;min-height:38px;padding:9px 16px;text-align:center;background:#fff7dc;color:#69500e;border-bottom:1px solid #ebdaa1;font-size:12px;font-weight:800}.shell{min-width:0}.main{max-width:1510px;padding:0 34px 70px}.topbar{position:sticky;top:38px;z-index:30;margin:0 -8px 22px;padding:20px 8px 16px;background:rgba(248,250,248,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(220,228,223,.8);display:flex;align-items:center;justify-content:space-between;gap:16px}.topbar h1{margin:2px 0;font-size:27px;letter-spacing:-.03em}.eyebrow{margin:0;color:var(--green);font-size:10px;letter-spacing:.17em;font-weight:900}.actions,.chips{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.btn,.primary,.ghost,.danger{border-radius:12px;padding:10px 15px;border:1px solid var(--line);background:#fff;color:#31473c;font-weight:760}.primary{background:var(--green);border-color:var(--green);color:#fff}.danger{color:var(--red);border-color:#ebcccc;background:#fffafa}.btn:hover,.ghost:hover{background:#f3f8f5;border-color:#a9c5b6}.panel{background:var(--panel);border:1px solid var(--line);border-radius:19px;box-shadow:var(--shadow)}.hero{padding:26px 28px;border-radius:22px;color:#fff;background:linear-gradient(125deg,#1e7753,#318b68);display:flex;justify-content:space-between;gap:18px;align-items:center}.hero h2{margin:0 0 6px;font-size:25px}.hero p{margin:0;color:#dceee5}.hero-stat{min-width:120px;text-align:center;border-left:1px solid rgba(255,255,255,.25)}.hero-stat b{display:block;font-size:31px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:24px 0 12px}.section-head h3{margin:0;font-size:20px}.workflow{padding:21px;margin-top:20px}.workflow.closed .workflow-list{display:none}.workflow-list{display:grid;grid-template-columns:repeat(7,minmax(145px,1fr));gap:9px;overflow-x:auto;padding-bottom:5px}.flow{min-height:205px;padding:15px;border-radius:15px;border:1px solid var(--line);background:#fbfdfb}.flow .num{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:var(--soft);color:var(--green);font-weight:900}.flow h4{margin:13px 0 4px}.mode,.badge{display:inline-flex;padding:3px 8px;border-radius:99px;background:var(--soft);color:#276e4f;font-size:10px;font-weight:800}.flow p{font-size:12px;color:var(--muted);min-height:55px}.owner{display:flex;gap:7px;align-items:center;color:var(--green);font-size:11px;font-weight:800}.avatar{width:36px;height:36px;object-fit:cover;border-radius:50%;border:2px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.16)}.avatar.sm{width:28px;height:28px}.project-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.project-grid.list{grid-template-columns:1fr}.project-grid.list .card{display:grid;grid-template-columns:220px 1fr}.card{overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:0 8px 22px rgba(20,48,35,.06);transition:.18s}.card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(20,48,35,.11)}.cover{aspect-ratio:16/8.5;background:#dce8e1;overflow:hidden}.cover img{width:100%;height:100%;object-fit:cover;display:block}.card-body{padding:17px}.meta,.card-foot{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:11px}.card h3{font-size:18px;margin:8px 0 4px}.card p{margin:0 0 14px;color:var(--muted)}.progress{height:5px;border-radius:99px;background:#e8eeea;overflow:hidden}.progress i{display:block;height:100%;background:linear-gradient(90deg,#2a8560,#76b697)}.card-foot{margin-top:12px;align-items:center}.status{padding:4px 8px;border-radius:99px;background:#f0f5f2;color:#365c49;font-weight:800}.back{margin:2px 0 14px}.detail-head{padding:23px 25px;display:flex;justify-content:space-between;align-items:center;gap:18px}.detail-head h2{margin:2px 0 5px;font-size:28px}.detail-head p{margin:0;color:var(--muted)}.detail-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.stepper{margin-top:14px;padding:12px;display:grid;grid-template-columns:repeat(7,minmax(105px,1fr));gap:7px;overflow-x:auto}.step{border:1px solid var(--line);background:#f8faf9;border-radius:12px;padding:8px;text-align:left;color:#5a6b62;display:grid;grid-template-columns:26px 1fr;gap:7px;align-items:center}.step b{width:26px;height:26px;border-radius:8px;background:#e6ece8;display:grid;place-items:center}.step.done b{background:#dff1e7;color:#167048}.step.current{border-color:#55a07b;background:#edf7f1}.step.inspect{box-shadow:inset 0 0 0 2px var(--green)}.step small{grid-column:2;font-size:9px}.gate{margin-top:14px;padding:20px 23px;background:linear-gradient(130deg,#edf7f1,#fffaf3);display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px}.gate h3{font-size:21px;margin:5px 0}.gate p{margin:0;color:var(--muted)}.gate-rule{border-left:1px solid #d8e4dc;padding-left:20px;display:grid;gap:5px}.gate-rule span{font-size:10px;color:var(--muted)}.task-card{margin-top:10px;padding:11px 13px;border:1px dashed #a9c7b7;border-radius:12px;background:#f7fbf8;font-size:12px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px;margin-top:16px;align-items:start}.stage-panel,.review{padding:22px}.review{position:sticky;top:112px}.review h3{margin:4px 0}.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.decision.selected{background:var(--soft);border-color:#6aa488;color:#236747}.review label{display:grid;gap:7px;font-weight:700;font-size:12px}.review textarea,.form input,.form textarea{width:100%;border:1px solid var(--line);border-radius:11px;padding:11px;background:#fbfcfb}.history{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.history-item{border-left:3px solid #6ba687;padding:7px 10px;margin:8px 0;background:#f8faf9;border-radius:0 9px 9px 0;font-size:11px}.stage-head{display:flex;justify-content:space-between;gap:12px;align-items:start}.stage-head h3{font-size:21px;margin:4px 0}.stage-intro{color:var(--muted)}.subpanel{margin-top:16px;border:1px solid var(--line);border-radius:14px;padding:16px;background:#fbfcfb}.subpanel h4{margin:0 0 8px}.form{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form label{display:grid;gap:5px;font-size:12px;font-weight:700}.full{grid-column:1/-1}.candidate-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.candidate{border:1px solid var(--line);border-radius:13px;background:#fff;padding:13px;text-align:left;min-height:116px}.candidate.selected{border-color:#4d9772;box-shadow:inset 0 0 0 2px #dff1e7}.candidate b,.candidate small{display:block}.candidate small{color:var(--muted);margin-top:6px}.candidate .tag{margin-top:8px;color:#337151;font-size:10px}.longcopy{white-space:pre-wrap;max-height:520px;overflow:auto;padding:17px;border-radius:12px;background:#f7f9f7;border:1px solid var(--line);font:12px/1.8 ui-monospace,"SFMono-Regular",monospace;color:#34483e}.file-list{display:grid;gap:8px}.file{padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:#fff;display:flex;justify-content:space-between;gap:10px}.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.thumb{border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;padding:0;text-align:left}.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.thumb span{display:block;padding:8px 10px;font-size:11px}.spec-list{display:grid;gap:9px}.spec{padding:12px;border-radius:11px;background:#fff;border:1px solid var(--line);display:grid;grid-template-columns:50px 1fr 130px;gap:10px}.auto-note{padding:13px;border-radius:12px;background:#eaf5ef;color:#28684b;border:1px solid #cce5d7}.production{display:grid;gap:13px}.prod-group{border:1px solid var(--line);border-radius:13px;overflow:hidden}.prod-head{padding:12px 14px;background:#f0f6f2;display:flex;justify-content:space-between}.prod-row{padding:12px 14px;display:grid;grid-template-columns:1fr auto;gap:8px;border-top:1px solid var(--line)}.prod-row small{display:block;color:var(--muted)}.evidence{font-family:ui-monospace,monospace;font-size:10px;color:#486156}.dialog{width:min(660px,calc(100vw - 24px));border:0;border-radius:20px;padding:0;box-shadow:0 28px 80px rgba(0,0,0,.25)}.dialog::backdrop{background:rgba(7,24,16,.55)}.dialog-body{padding:23px}.dialog-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:16px 0}.tab{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fafcfb;text-align:left}.tab.active{border-color:#4e9672;background:var(--soft)}.simulation{padding:13px;border:1px dashed #acc9ba;border-radius:12px;background:#f7fbf8;color:var(--muted)}.toast{position:fixed;left:50%;bottom:25px;transform:translate(-50%,20px);opacity:0;pointer-events:none;z-index:99;background:#163326;color:#fff;padding:11px 16px;border-radius:12px;transition:.18s;max-width:calc(100vw - 24px)}.toast.show{opacity:1;transform:translate(-50%,0)}.lightbox{width:min(1100px,calc(100vw - 24px));border:0;border-radius:18px;padding:14px}.lightbox img{width:100%;max-height:75vh;object-fit:contain}.lightbox .close{float:right}.empty{padding:30px;text-align:center;color:var(--muted)}
@media(max-width:1080px){.app{grid-template-columns:minmax(0,1fr);width:100%;max-width:100vw;overflow-x:hidden}.sidebar{height:auto;position:static;display:block;width:100%;max-width:100vw;min-width:0;overflow:hidden}.sidebar nav{display:flex;max-width:100%;overflow-x:auto}.nav{min-width:145px}.side-note{display:none}.privacy{position:sticky}.topbar{top:38px}.project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace{grid-template-columns:1fr}.review{position:static}.gate{grid-template-columns:1fr}.gate-rule{border-left:0;border-top:1px solid #d8e4dc;padding:14px 0 0}.workflow,.workflow-list{min-width:0;max-width:100%}.workflow-list{grid-template-columns:repeat(7,155px)}}
@media(max-width:620px){.main{padding:0 14px 50px}.topbar{position:static;margin:0 0 16px;padding:16px 0;display:block}.actions{margin-top:12px}.actions>*{flex:1}.hero{padding:20px;display:block}.hero-stat{border-left:0;border-top:1px solid rgba(255,255,255,.25);margin-top:15px;padding-top:12px}.project-grid,.project-grid.list{grid-template-columns:1fr}.project-grid.list .card{display:block}.detail-head{display:block;padding:18px}.detail-actions{justify-content:flex-start;margin-top:12px}.stepper{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:145px}.gate{padding:17px}.workspace{min-width:0}.stage-panel,.review{padding:16px}.form,.candidate-grid{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.spec{grid-template-columns:42px 1fr}.spec>:last-child{grid-column:2}.file{display:block}.tabs{grid-template-columns:1fr}.decision-grid button{min-width:0}.privacy{position:static}.sidebar{padding:14px}.brand{padding-bottom:12px}.sidebar nav{margin:0 -4px}.topbar h1{font-size:23px}body{overflow-x:hidden}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.login{max-width:440px;margin:12vh auto;padding:30px}.login input{width:100%;padding:12px;border:1px solid var(--line);border-radius:10px;margin:8px 0 20px}.error{color:var(--red);white-space:pre-wrap}.cover{display:grid;place-items:center;color:var(--green);font-size:30px;font-weight:800}.flow{min-height:150px}.longcopy{overflow-wrap:anywhere}.history-item{overflow-wrap:anywhere}button:disabled{opacity:.5;cursor:not-allowed}a{color:var(--green)}.file{overflow-wrap:anywhere}.review textarea{resize:vertical}.gate-rule{font-size:12px}.workbench-status{color:var(--muted);font-size:12px}

.page-copy{padding:12px 0;border-bottom:1px solid var(--line,#e4ebe7)}.output-copy{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.75}.output-copy strong{color:#304f44}.technical-evidence{margin-top:14px}summary{cursor:pointer;line-height:1.7}details[open]>summary{margin-bottom:12px}

@media(max-width:620px){.file>span{display:block}.file>span+span{margin-top:7px}.file small{display:block}}
/* Textbook source review shares the workbench's existing palette and controls. */
select{font:inherit;width:100%;padding:10px;border:1px solid #d9dfe8;border-radius:8px;background:white;color:inherit}.nav{display:block;text-decoration:none}.textbook-image{display:block;max-width:100%;max-height:850px;object-fit:contain;margin:14px auto}.textbook-image.hidden{display:none}.textbook-text{white-space:pre-wrap;overflow-wrap:anywhere;max-height:360px;overflow:auto}.textbook-row{border-top:1px solid #e5e7eb;padding:18px 0}.textbook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.textbook-grid input,.textbook-grid select{min-width:0}.textbook-issue{color:#805b12;background:#fff8e8;padding:9px;border-radius:8px}.textbook-card{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid #e5e7eb}.textbook-card small{display:block;overflow-wrap:anywhere}#books button{flex-shrink:0}#importForm{margin-top:20px}#editor{margin-top:20px}#bookTitle{overflow-wrap:anywhere}#editor label{display:block;margin:8px 0}#editor input:not([type=checkbox]),#editor textarea{width:100%}#editor input[type=checkbox]{width:auto}#editor .actions{flex-wrap:wrap}summary{cursor:pointer}a.ghost{text-decoration:none;color:inherit}.textbook-source{overflow-wrap:anywhere;margin:12px 0;padding:12px;background:#eef5fb;border-radius:8px}@media(max-width:700px){.textbook-grid{grid-template-columns:1fr}.textbook-card{flex-direction:column}.textbook-card button{align-self:flex-start}}
.textbook-library main>.panel{padding:22px;margin:20px 0}.textbook-library #editor input:not([type=checkbox]),.textbook-library #editor textarea{border:1px solid var(--line);border-radius:11px;padding:11px;background:#fbfcfb}.textbook-library #editor label{font-size:13px;font-weight:600}.textbook-library #editor h3{margin-top:26px}.textbook-library #editor{scroll-margin-top:190px}.textbook-library #error:not(:empty){position:sticky;bottom:10px;padding:14px;border:1px solid #ebcccc;background:#fffafa;border-radius:12px;z-index:40}@media(max-width:700px){.textbook-library main>.panel{padding:16px}.textbook-library .section-head{align-items:flex-start;flex-direction:column}.textbook-library .textbook-card{gap:8px}}
.metadata-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metadata-field{padding:14px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere}.metadata-field strong,.metadata-field small{display:block;margin:5px 0}.source-page{display:block;border:0;background:transparent;color:var(--green);padding:0;font-size:12px;text-align:left}.textbook-library #metadataForm input[type=checkbox]{width:auto}.textbook-library #metadataEdit{margin-top:16px}.textbook-library #metadataPreview{max-width:850px;width:94vw}.textbook-library #metadataPreview img{max-height:70vh}@media(max-width:1000px){.metadata-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:500px){.metadata-grid{grid-template-columns:1fr 1fr;gap:8px}.metadata-field{padding:10px}}