:root {
  --paper:#f4f1e9; --surface:#fffdf8; --surface2:#ebe7dc; --ink:#202820;
  --muted:#555e51; --line:rgba(32,40,32,.14); --green:#3d6549; --dark:#294936;
  --soft:#dfe9dc; --amber:#875e2f; --amberSoft:#f3e6ce; --red:#91392e;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink); background:var(--paper);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
::selection{background:#c7dcc8;color:#172c1c}
body{margin:0;background:var(--paper);line-height:1.55;scrollbar-color:#80957b var(--paper)}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{opacity:.48;cursor:not-allowed}
button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #345e3e;outline-offset:3px}
.shell{width:min(calc(100% - 22px),1040px);margin:auto;padding:28px 0 64px}
.site-nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-bottom:24px;font-size:15px}
.site-nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--dark);text-underline-offset:4px}
.site-nav a:focus-visible{outline:3px solid var(--green);outline-offset:3px}
.site-nav span{color:var(--muted)}
.login-view{max-width:520px;margin:8vh auto 0}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:var(--green);color:var(--surface);font-size:23px}
.login-view h1,.topbar h1{margin:0;font-size:32px;letter-spacing:-.02em;line-height:1.25}
.login-view h1{margin:24px 0 12px}
.lede{max-width:440px;margin:20px 0 30px;color:var(--muted);font-size:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px}
.form-card{display:grid;gap:8px;padding:24px}
label{font-size:13px;font-weight:700}
input,select{width:100%;min-height:46px;padding:10px 12px;border:1px solid var(--line);border-radius:11px;background:#faf8f2;caret-color:var(--green)}
.form-card .button{margin-top:10px;width:100%}
.button{min-height:46px;padding:10px 17px;border:1px solid transparent;border-radius:11px;font-weight:750;transition:background-color .16s}
.primary{background:var(--green);color:var(--surface)}
.primary:hover{background:var(--dark)}
.secondary{background:var(--soft);border-color:rgba(61,101,73,.16);color:var(--dark)}
.quiet{background:transparent;border-color:var(--line);color:var(--muted)}
.topbar{display:flex;justify-content:space-between;gap:16px;margin:10px 0 28px}
.notice,.warning{padding:13px 15px;border-radius:12px;font-size:14px}
.notice{margin-bottom:18px;background:var(--soft);color:var(--dark)}
.notice.error,.error{color:var(--red)}
.warning{margin:18px 0;background:var(--amberSoft);color:#68461f}
.section-heading{display:flex;justify-content:space-between;gap:16px}
.section-heading>div{min-width:0}
.section-heading h2{margin:0;font-size:24px;letter-spacing:-.025em;overflow-wrap:anywhere}
.compact{align-items:end}
.limit,.muted,.field-help{color:var(--muted);font-size:12px}
.limit{text-align:right}
.upload-card,.review-panel{padding:22px}
.upload-card{margin-bottom:30px}
.file-picker-label{display:block;margin-top:20px}
#file-input{display:block;width:100%;margin:12px 0}
input::file-selector-button{min-height:44px;margin-right:12px;padding:8px 14px;border:0;border-radius:6px;background:var(--soft);color:var(--dark);font:inherit}
#upload-progress{margin-top:18px}
#upload-progress .button,#retry-upload{margin-top:10px}
.progress-line{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px;font-size:13px}
.progress-line span{overflow-wrap:anywhere}
.progress-line output{flex-shrink:0}
progress{display:block;width:100%;height:10px;accent-color:var(--green)}
.task-list{display:grid;gap:10px;margin-top:14px}
.task{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;width:100%;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:rgba(255,253,248,.62);text-align:left}
.task:hover,.task.selected{border-color:rgba(61,101,73,.45);background:var(--surface)}
.task.selected{border-color:#45664b}
.task-name{font-weight:720;overflow-wrap:anywhere}
.task-sub{display:block;margin-top:3px;color:var(--muted);font-size:12px}
.state-badge{display:inline-flex;align-items:center;flex-shrink:0;min-height:28px;padding:3px 9px;border-radius:99px;background:var(--surface2);color:var(--muted);font-size:12px;white-space:nowrap}
.state-ready,.state-published{background:var(--soft);color:var(--dark)}
.state-needs_review,.state-validating,.state-uploaded,.state-publishing{background:var(--amberSoft);color:var(--amber)}
.state-rejected,.state-failed{background:#f4ded9;color:var(--red)}
.empty-state{color:var(--muted);font-size:14px}
.review-panel{margin-top:28px}
.review-panel .section-heading{align-items:start}
.meta-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:20px}
.meta-item{min-width:0;padding:8px 0}
.meta-label{display:block;color:var(--muted);font-size:11px}
.meta-value{display:block;margin:4px 0 0;font-size:14px;font-weight:700;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.chapter-preview{margin-top:20px;padding:16px 0;border-top:1px solid var(--line)}
.preview-heading{display:flex;justify-content:space-between}
.preview-heading h3{margin:0;font-size:15px}
.preview-heading span{color:var(--muted);font-size:12px}
.chapter-preview ol{max-height:20rem;overflow:auto;margin:10px 0 0;padding-left:25px;color:var(--muted);font-size:14px}
.chapter-preview li{padding:4px 0;overflow-wrap:anywhere}
.field-help{margin:6px 0}
.action-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.error{margin:6px 0;font-size:13px}
@media(min-width:700px){.shell{padding-top:44px}.upload-card,.review-panel{padding:28px 30px}}
@media(max-width:560px){
  .shell{padding-top:18px}.login-view{margin-top:5vh}.lede{font-size:15px}.section-heading h2{font-size:21px}
  .meta-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .action-row .button{flex:1 1 calc(50% - 9px)}.action-row .quiet{flex-basis:100%}.state-badge{font-size:11px}
}
@media(prefers-reduced-motion:reduce){.button{transition:none}}