:root{--paper:#f6f4ec;--ink:#243d32;--muted:#758177;--line:#d9ded2;--green:#264e3c;--wash:#e8ede2;--white:#fffef9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer;border:1px solid var(--line);background:var(--green);color:white;border-radius:7px;padding:9px 17px}button:hover{filter:brightness(1.08)}a{color:var(--green);text-underline-offset:4px}aside{position:fixed;inset:0 auto 0 0;width:244px;background:#edf0e6;border-right:1px solid var(--line);padding:40px 27px;display:flex;flex-direction:column}.brand{text-decoration:none;font-family:serif;font-size:36px;font-weight:700;letter-spacing:5px}.brand span{display:block;font:10px/2 sans-serif;letter-spacing:4px}.aside-caption{color:var(--muted);font-size:12px;margin:24px 0}nav{display:grid;gap:7px}nav button{display:flex;justify-content:space-between;color:var(--ink);background:none;border:0;text-align:left;padding:11px 13px}nav button span{font-size:11px;color:var(--muted)}nav button.active{background:var(--green);color:white}nav button.active span{color:#c1d4bf}.aside-bottom{margin-top:auto;font-size:12px;color:var(--muted)}main{margin-left:244px;max-width:1240px;padding:48px 62px}header{border-bottom:1px solid var(--line);padding-bottom:27px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--muted);margin:0 0 13px}.heading{display:flex;align-items:center;justify-content:space-between;gap:16px}h1{font-family:serif;font-size:42px;line-height:1.35;margin:10px 0 15px;letter-spacing:1px}h2{font-size:24px;line-height:1.55;margin:10px 0 14px}h3{font-size:18px;line-height:1.6}#subtitle{color:var(--muted);margin:0}.private-tag,.tag{font-size:11px;border:1px solid var(--line);border-radius:20px;padding:3px 11px;white-space:nowrap}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:27px 0 12px}input,select,textarea{border:1px solid var(--line);border-radius:6px;background:var(--white);color:var(--ink);padding:10px 12px;max-width:100%}input[type=search]{flex:1;min-width:200px}select{max-width:210px}#notice{font-size:12px;color:var(--muted)}article{border-bottom:1px solid var(--line);padding:28px 0 30px}.meta{font-size:11px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;align-items:center}.tag.reviewed{background:var(--wash);color:var(--green)}.tag.candidate{background:#f3e9d3;color:#876b34}article p{max-width:720px;margin:12px 0}.value{border-left:2px solid #a5b99c;padding-left:15px;color:#536455}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.quiet{background:transparent;color:var(--green);border-color:var(--line);padding:6px 12px}footer{border-top:1px solid var(--line);padding-top:24px;margin-top:55px;font-size:11px;color:var(--muted)}footer span{display:block}.empty{padding:65px 15px;text-align:center;color:var(--muted)}dialog{width:min(800px,94vw);max-height:90vh;overflow:auto;border:1px solid var(--line);border-radius:12px;padding:30px;background:var(--white);color:var(--ink)}dialog::backdrop{background:#19352970}.close{float:right}dialog h2{clear:both;padding-top:15px}textarea{width:100%;min-height:130px}pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.8 ui-monospace,monospace;background:var(--wash);padding:18px;border-radius:8px}.course{display:block;text-decoration:none;padding:25px 0;border-bottom:1px solid var(--line)}.course small{color:var(--muted)}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(120deg,#e8eddf,#faf8f0)}.login main{margin:0;padding:50px;max-width:520px;width:100%}.login h1{font-size:47px}.login form{display:grid;gap:12px;margin:30px 0}.login small{color:var(--muted)}@media(max-width:760px){aside{position:static;width:auto;padding:20px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:26px}.brand span{display:inline;margin-left:20px}.aside-caption,.aside-bottom{display:none}nav{display:flex;overflow-x:auto;margin-top:16px;gap:4px}nav button{white-space:nowrap;padding:7px 10px;font-size:13px}nav button span{display:none}main{margin:0;padding:26px 20px}h1{font-size:32px}.filters input,.filters select{min-width:0;max-width:100%;flex:1 1 140px}.heading{align-items:flex-start}article{padding:24px 0}h2{font-size:21px}.login main{padding:30px}.login h1{font-size:39px}dialog{padding:20px}}

[hidden]{display:none!important}

/* Owner-only discovery workspace; no change to existing standalone course assets. */
.discovery{max-width:940px}.discovery-intro{margin:28px 0 24px;border-bottom:1px solid var(--line);padding:0 0 18px}.discovery-intro h2{font:600 27px/1.5 Georgia,serif;letter-spacing:.15px;max-width:760px}
.discovery-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 26px}.discovery-tabs button{border-radius:24px;padding:7px 16px;font-size:13px}
.discovery-panel{padding:23px 25px;border:1px solid var(--line);border-radius:12px;background:var(--white);margin:22px 0}.discovery-panel h2{font-size:20px;margin:4px 0 8px}.discovery-panel h3{font-size:16px}
.muted{color:var(--muted);font-size:13px}.interest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin:16px 0}.interest-grid label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px}.interest-grid select{width:62px;padding:6px}
.discovery-cards{display:grid;gap:0}.discovery-card{padding:25px 0}.discovery-card h2{font-size:20px}.reason-line{display:flex;gap:7px;flex-wrap:wrap}.reason{border-radius:5px;background:var(--wash);font-size:11px;color:var(--green);padding:3px 8px}
.project-hint{color:var(--green);font-size:13px}.project-hint small{color:var(--muted)}.source-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.source{border:1px solid var(--line);border-radius:8px;padding:14px;display:flex;gap:5px;flex-direction:column;min-width:0}.source small{color:var(--muted)}
.source a{font-size:12px}.source-group{margin:24px 0}.capture-form{display:grid;gap:12px}.capture-form label{display:grid;gap:6px;font-size:13px}.capture-form input,.capture-form select{max-width:none;width:100%}.captured-card h3{margin:8px 0}.captured-card{padding:19px 0}
@media(max-width:760px){.source-grid,.interest-grid{grid-template-columns:1fr}.discovery-panel{padding:18px}.discovery-intro h2{font-size:23px}.discovery-tabs button{font-size:12px}}

.interest-extra{display:grid;gap:6px;margin:13px 0 18px;font-size:13px}.interest-extra input{width:100%;max-width:100%}


/* Primary browsing categories are exclusive, while technical tags may overlap. */
.category-navigation{margin:24px 0 28px;padding:20px 22px;background:var(--white);border:1px solid var(--line);border-radius:12px}
.category-navigation h2{font-size:21px;margin:0 0 6px}
.category-pills{display:flex;flex-wrap:wrap;gap:8px;margin:17px 0 2px}
.category-pills button{padding:8px 12px;border-radius:24px;font-size:13px}
.category-pills button span{font-size:11px;opacity:.75;margin-left:6px}
.category-pills [aria-pressed="true"]{background:var(--green);color:white}
.discovery-category-section{margin:28px 0 40px}
.discovery-category-section>h3{border-bottom:1px solid var(--line);font-size:21px;margin:0;padding:0 0 12px}
.discovery-category-section>.muted{margin:10px 0 0}
@media(max-width:760px){.category-navigation{padding:16px}.category-pills button{padding:7px 10px;font-size:12px}}


/* Private category correction and local discovery search. */
.category-search{display:grid;gap:5px;font-size:12px;margin:17px 0 6px;color:var(--muted)}
.category-search input{width:100%;max-width:520px;background:var(--white)}
#category-dialog{width:min(610px,94vw)}
#category-dialog #category-detail>p{overflow-wrap:anywhere}
#category-form{display:grid;gap:14px;margin-top:16px}
#category-form label{display:grid;gap:6px;font-size:13px}
#category-form select,#category-form textarea{max-width:100%;width:100%}
#category-form .actions{justify-content:flex-start}
.discovery-card .tag.reviewed{white-space:normal}
.discovery-category-section[hidden]{display:none}
@media(max-width:760px){.category-search input{width:100%}#category-dialog{padding:20px}#category-form .actions button{flex:1 1 100%}}

/* Bilingual reading works on desktop and mobile without embedding foreign sites. */
#translation-dialog{width:min(1050px,95vw);max-height:90vh;overflow:auto}
.bilingual-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;margin-top:15px}
.bilingual-columns>section{min-width:0}
.bilingual-columns h3{font-size:17px}
.bilingual-columns .translation-source{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.8}
.bilingual-columns form{display:grid;gap:12px}
.bilingual-columns form label{display:grid;gap:7px}
.bilingual-columns textarea{width:100%;max-width:100%;line-height:1.6}
@media(max-width:760px){.bilingual-columns{grid-template-columns:1fr;gap:15px}#translation-dialog{padding:15px}.bilingual-columns .actions button{width:100%}}

/* Quiet, numbered content navigation, shared with the course visual language. */
.public-toolbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:28px 0 8px}
.public-toolbar input[type=search]{flex:none;width:280px;min-width:0;padding:8px 12px;font-size:13px}
.public-toolbar select{font-size:13px;padding:8px 10px;background:transparent}
.public-toolbar .quiet{border:0;color:var(--muted);font-size:12px}
.content-tabs{display:flex;gap:26px;overflow-x:auto;border-bottom:1px solid var(--line);margin:12px 0 28px;scrollbar-width:thin}
.content-tabs button{display:flex;align-items:center;gap:9px;flex-shrink:0;border:0;border-radius:0;border-bottom:3px solid transparent;background:transparent;padding:18px 0 16px;color:#68786e;font-size:15px;white-space:nowrap}
.content-tabs button span{font-size:11px;font-weight:400;font-variant-numeric:tabular-nums;color:inherit}
.content-tabs button.active{border-bottom-color:var(--green);background:transparent;color:var(--green);font-weight:650}
.content-tabs button.active span{color:var(--green)}
.content-tabs button:hover{color:var(--green);filter:none}
@media(max-width:760px){.public-toolbar{gap:8px;margin-top:22px}.public-toolbar input[type=search]{width:210px;max-width:100%}.content-tabs{gap:23px;margin-top:10px}.content-tabs button{padding:13px 0;font-size:14px}.content-tabs button span{display:inline}}

/* Public reading refinements stay scoped away from the owner workspace. */
.public-page main{min-width:0}
.public-page .heading h1{text-wrap:balance}
.public-page section{scroll-margin-top:24px}
.public-page article h2{max-width:800px;text-wrap:pretty;overflow-wrap:anywhere}
.public-page .public-toolbar{gap:10px}
.public-page .public-toolbar input[type=search]{width:240px;min-height:40px}
.public-page .public-toolbar select{min-height:40px}
.public-page .public-toolbar .quiet{min-height:40px;padding:6px 10px}
.public-page .public-toolbar .quiet:disabled{opacity:.35;cursor:default}
.public-page :focus-visible{outline:2px solid var(--green);outline-offset:4px}
.public-page .content-tabs{scroll-padding-inline:4px;padding-inline:4px;overscroll-behavior-x:contain}
.public-page .content-tabs button{min-height:48px}
.public-page .content-tabs button:focus-visible{outline-offset:-4px}
.public-page #reviewed>h1,.public-page #candidate>h1{font-size:30px;margin-top:32px}
.public-page #candidate>p:not(.empty){font-size:13px;color:var(--muted)}
.public-page #courses{margin-top:48px;display:grid;grid-template-columns:1fr 1fr;gap:0 30px}
.public-page #courses>p{grid-column:1/-1;font-size:12px;color:var(--muted)}
.public-page .course h2{font-size:20px}
@media(min-width:761px) and (max-width:1100px){.public-page aside{width:190px;padding:32px 22px}.public-page main{margin-left:190px;padding:36px 32px}.public-page .heading h1{font-size:34px}.public-page .heading{flex-wrap:wrap}}
@media(max-width:760px){.public-page aside nav{gap:24px;font-size:13px}.public-page aside nav a{white-space:nowrap;text-decoration:none;min-height:32px}.public-page .heading h1{font-size:30px}.public-page .heading{gap:10px}.public-page .public-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.public-page .public-toolbar input[type=search]{width:100%;grid-column:1/-1;font-size:16px}.public-page .public-toolbar select{max-width:100%;font-size:14px}.public-page .public-toolbar .quiet{font-size:13px}.public-page #courses{grid-template-columns:1fr}.public-page #reviewed>h1,.public-page #candidate>h1{font-size:26px}.public-page .content-tabs{margin-bottom:20px}.public-page article h2{font-size:20px}}