/* finesse · register=product · A=slate+petrol · B=Chinese-system+tabular
 * C=nav+form-aside · D=state-feedback · E=paper · SOUL=5 SPECTACLE=2 DENSITY=6 */
:root{--page:#f1f4f7;--bg:#fefefe;--panel:#f6f8fa;--ink:#1c3040;--muted:#607080;--border:#e2e8ee;--accent:#176b73;--accent-soft:#e9f4f3;--nav:#18374b;--nav-text:#d1dfe7;--nav-active:#294b5f;--gold:#b78639;--red:#b94343;--shadow:0 3px 18px #18374b05;--r:18px;--font:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;--group-task:#236d8c;--group-tech:#7960a3;--group-student:#277867;--group-goal:#98672b}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip;scroll-padding-top:24px}body{margin:0;background:var(--page);color:var(--ink);font:16px/1.65 var(--font);overflow-x:clip}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.6}button:active{transform:translateY(1px)}a{color:var(--accent);text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #76aab9;outline-offset:3px}h1,h2,h3,p{margin:0}h1{font-size:28px;letter-spacing:.01em;line-height:1.4;overflow-wrap:anywhere}h2{font-size:19px;font-weight:700;line-height:1.5}h3{font-size:16px}small,.small{font-size:13px}.muted{color:var(--muted)}.required{color:var(--red);margin-left:4px}.icon{width:20px;height:20px;flex-shrink:0;vertical-align:middle;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}.skip{position:fixed;top:-60px;left:12px;background:var(--bg);padding:10px;z-index:100}.skip:focus{top:8px}.loading{padding:80px;text-align:center;color:var(--muted)}
.shell{display:grid;grid-template-columns:226px minmax(0,1fr);min-height:100dvh}.rail{background:var(--nav);color:var(--nav-text);padding:30px 17px 20px;display:flex;flex-direction:column;position:sticky;top:0;height:100dvh}.brand{display:flex;align-items:center;gap:10px;padding:0 7px 32px;color:var(--bg)}.brand img{width:44px;height:44px;object-fit:contain;background:var(--bg);border-radius:50%;padding:3px}.brand strong{font-size:18px;letter-spacing:2px}.brand small{display:block;font-size:12px;letter-spacing:1px;opacity:.7}.rail-label{font-size:12px;letter-spacing:2px;color:#a4b7c4;padding:6px 16px 12px}.nav{display:grid;gap:6px}.nav a{display:flex;align-items:center;gap:11px;color:var(--nav-text);padding:12px 15px;border-radius:10px;font-size:14px;white-space:nowrap}.nav a.active{background:var(--nav-active);color:var(--bg);font-weight:700}.nav a:hover{background:var(--nav-active)}.rail-foot{margin-top:auto;padding:26px 12px 4px;font-size:12px;color:#b4c6d1}.rail-foot b{display:block;font-weight:400;margin-bottom:6px;color:var(--nav-text)}.workspace{min-width:0}.topbar{height:72px;background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 34px;font-size:14px}.topbar .crumb{display:flex;align-items:center;gap:10px;color:var(--muted)}.topbar .crumb strong{color:var(--ink);font-weight:500}.topbar .actions{gap:12px}.status-tag{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);padding:4px 10px;border-radius:6px;font-size:12px;background:var(--panel);white-space:nowrap}.main{max-width:1460px;margin:auto;padding:30px 34px 50px}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.page-heading p{font-size:14px;color:var(--muted);margin-top:7px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:700;margin-bottom:7px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 17px;border:1px solid var(--border);border-radius:9px;background:var(--bg);color:var(--ink);white-space:nowrap;font-size:14px;font-weight:600}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--bg)}.btn.ghost{border:0;background:transparent;color:var(--muted)}.btn:hover{filter:brightness(.97)}.text-button{background:none;border:0;color:var(--accent);padding:8px 0;font-size:14px}.actions{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--r);padding:25px;box-shadow:var(--shadow);min-width:0}.card+.card{margin-top:20px}.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:19px}.section-title{display:flex;align-items:center;gap:11px}.section-number{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--accent-soft);color:var(--accent);font-size:14px;font-weight:700}.helper{font-size:14px;color:var(--muted);margin:8px 0 16px}.form-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:22px;align-items:start}.form-column{max-width:830px;min-width:0}.form-aside{position:sticky;top:24px}.lesson-panel{background:var(--nav);color:var(--bg);border-color:var(--nav);padding:24px}.lesson-panel .lesson-label{font-size:12px;color:#bdcfd8;letter-spacing:2px}.lesson-panel h2{font-size:31px;margin:14px 0 9px;font-weight:500}.lesson-panel p{color:var(--nav-text);font-size:14px}.lesson-panel .lesson-meta{display:flex;gap:18px;padding:16px 0 0;margin-top:18px;border-top:1px solid #ffffff25}.objectives ol{padding-left:19px;margin:12px 0 0;font-size:14px;color:var(--muted)}.objectives li+li{margin-top:10px}.aside-links{display:grid;gap:8px;margin-top:15px}.aside-links a{font-size:14px;color:var(--muted);padding:5px 0}.aside-links a:hover{color:var(--accent)}.note{font-size:13px;color:var(--muted);line-height:1.8;padding:0 4px;margin-top:17px}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.field{display:flex;flex-direction:column;gap:7px;font-size:14px;min-width:0}.field.full{grid-column:1/-1}.field>span:first-child,.field>label{font-weight:600;color:var(--ink)}input:not([type=checkbox]),select,textarea{width:100%;min-width:0;border:1px solid #d6dee6;border-radius:9px;background:var(--bg);color:var(--ink);padding:11px 13px;min-height:46px;font-size:15px}input:focus,select:focus,textarea:focus{border-color:var(--accent)}textarea{min-height:126px;resize:vertical;line-height:1.8}::placeholder{color:#87939e;opacity:1}input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);flex-shrink:0;margin:3px 0 0}.name-tip{min-height:22px;font-size:13px;color:var(--accent)}.highlight-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:12px}.check-card{display:flex;align-items:flex-start;gap:11px;padding:14px;border:1px solid var(--border);border-radius:10px;background:var(--bg);cursor:pointer}.check-card:has(input:checked){background:var(--accent-soft);border-color:#97c0bd}.check-card strong{font-size:14px;display:block;margin-bottom:3px;font-weight:600}.check-card small{font-size:12px;color:var(--muted);line-height:1.65;display:block}.check-card:last-child{grid-column:1/-1}.textarea-field{margin-top:22px}.counter{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;gap:14px}.upload-zone{background:var(--panel);border:1px dashed #b7c7d2;padding:20px;border-radius:11px;text-align:center;margin-top:15px}.upload-zone p{font-size:13px;color:var(--muted);margin-top:7px}.file-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.file-chip{padding:9px 11px;background:var(--panel);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;gap:10px;max-width:100%;font-size:13px}.file-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-chip button{border:0;background:transparent;color:var(--red);font-size:19px;min-width:32px;min-height:32px}.form-actions{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:19px 22px;background:var(--bg);border:1px solid var(--border);border-radius:var(--r)}.draft-status{font-size:13px;color:var(--muted)}.error-box{background:#fff0ef;color:var(--red);border:1px solid #eec5c0;border-radius:9px;padding:12px 14px;margin-top:15px;font-size:14px}.success-box{text-align:center;padding:45px 26px;max-width:720px;margin:30px auto}.success-check{margin:0 auto 18px;width:66px;height:66px;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft);color:var(--accent)}.success-check .icon{width:30px;height:30px}.success-box h1{font-size:25px}.success-box p{margin:12px 0 22px;color:var(--muted);font-size:15px}.recommendation{padding:18px;background:var(--panel);border-radius:12px;margin:20px 0;text-align:left;font-size:14px}.recommendation strong{display:block;margin:5px 0}.login{max-width:430px;margin:55px auto}.login h1{font-size:25px;margin:18px 0 8px}.login .field{margin:24px 0 14px}.login .btn.primary{width:100%}.login .muted{font-size:14px}.login-icon{background:var(--accent-soft);color:var(--accent);width:48px;height:48px;border-radius:13px;display:grid;place-items:center}.demo-banner{background:#fff5df;color:#855b18;border:1px solid #ead5a7;border-radius:10px;padding:11px 16px;margin-bottom:20px;font-size:14px;display:flex;justify-content:space-between;gap:12px;align-items:center}.stats{display:grid;grid-template-columns:1.4fr repeat(3,minmax(0,1fr));gap:16px;margin-bottom:22px}.stat{padding:22px;background:var(--bg);border:1px solid var(--border);border-radius:15px;min-width:0}.stat.main-stat{background:var(--nav);color:var(--bg);border-color:var(--nav)}.stat-top{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);gap:8px}.main-stat .stat-top{color:var(--nav-text)}.stat-value{font-family:var(--font);font-size:34px;line-height:1.35;font-weight:650;margin:12px 0 7px;font-variant-numeric:tabular-nums}.stat-value small{font-size:14px;font-weight:400;color:var(--muted);margin-left:6px}.main-stat .stat-value small{color:var(--nav-text)}.stat-foot{font-size:12px;color:var(--muted)}.main-stat .stat-foot{color:var(--nav-text)}.thin-progress{height:4px;background:#ffffff25;border-radius:6px;margin-top:16px;overflow:hidden}.thin-progress i{height:100%;display:block;background:#81bdbb}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px}.dashboard-grid>.card{margin:0}.bars{display:grid;gap:17px;margin-top:23px}.bar-row{display:grid;grid-template-columns:115px minmax(0,1fr) 69px;align-items:center;gap:12px;font-size:13px}.bar-track{height:10px;background:var(--panel);border-radius:4px;overflow:hidden}.bar-fill{height:100%;background:var(--accent);border-radius:4px;min-width:0}.bar-count{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.card-foot{border-top:1px solid var(--border);padding-top:16px;margin-top:23px;font-size:12px;color:var(--muted)}.word-cloud{position:relative;min-height:260px;height:300px;overflow:hidden}.cloud-word{position:absolute;border:0;background:transparent;font-weight:600;line-height:1.2;padding:0;white-space:nowrap;min-height:0;transform:translate(-50%,-50%)}.cloud-word:hover{opacity:.7;text-decoration:underline}.cloud-word:active{transform:translate(-50%,-50%)}.cloud-wrap .helper{font-size:13px}.cloud-legend{display:flex;justify-content:center;gap:16px;color:var(--muted);font-size:12px}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:13px;text-align:center;min-height:220px;padding:28px;color:var(--muted);font-size:14px}.empty .icon{width:33px;height:33px;opacity:.6}.empty strong{font-size:17px;color:var(--ink);font-weight:500}.group-summary{display:grid;gap:14px}.group-summary-row{display:grid;grid-template-columns:10px minmax(0,1fr) 35px;gap:10px;align-items:center;font-size:14px}.group-dot{width:8px;height:8px;border-radius:50%;background:var(--group-color)}.group-summary-row strong{text-align:right;font-size:20px;font-weight:600}.group-summary-row small{display:block;color:var(--muted);font-size:12px}.below-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:20px;margin-top:20px}.below-grid>.card{margin:0}.mini-record{display:flex;gap:13px;align-items:center;padding:13px 0;border-bottom:1px solid var(--border);font-size:14px}.mini-record:last-child{border-bottom:0}.avatar{width:38px;height:38px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);border-radius:10px;font-size:14px;flex-shrink:0}.mini-record-content{flex:1;min-width:0}.mini-record p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;color:var(--muted);max-width:100%;margin-top:2px}.mini-record button{flex-shrink:0}.filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:20px}.filters .search{max-width:320px;flex:1;min-width:150px}.filters select{max-width:205px;font-size:14px}.filters input{font-size:14px}.segmented{display:flex;background:var(--panel);padding:4px;border:1px solid var(--border);border-radius:10px;gap:4px;flex-wrap:wrap}.segmented button{border:0;min-height:38px;font-size:13px;padding:7px 13px;border-radius:7px;background:transparent;color:var(--muted);white-space:nowrap}.segmented button.selected{background:var(--bg);color:var(--accent);box-shadow:var(--shadow);font-weight:600}.group-board{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.group-board>.card{margin:0}.group-board h2{color:var(--group-color);font-size:18px}.group-board .group-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.count-pill{font-size:14px;background:var(--panel);color:var(--muted);padding:3px 10px;border-radius:7px}.group-description{font-size:13px;color:var(--muted);margin:8px 0 20px}.member{padding:13px 0;border-top:1px solid var(--border);display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:9px;align-items:center}.member strong{font-size:14px;margin-right:7px}.member .reason{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.7}.member select{font-size:12px;padding:8px;min-height:40px}.tag{font-size:11px;border-radius:5px;padding:3px 6px;background:var(--panel);color:var(--muted);white-space:nowrap}.tag.manual{background:#fff3db;color:#876026}.tag.done{background:var(--accent-soft);color:var(--accent)}.explanation{font-size:14px;color:var(--muted);background:var(--panel);padding:15px 18px;border-radius:10px;margin-bottom:20px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px;white-space:nowrap}th{text-align:left;font-size:12px;color:var(--muted);font-weight:500;background:var(--panel)}td,th{padding:15px 14px;border-bottom:1px solid var(--border)}td.text-cell{max-width:280px;overflow:hidden;text-overflow:ellipsis}td .small{font-size:12px}.row-name{font-weight:600}.records-count{font-size:13px;color:var(--muted);margin-top:15px}.rank-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px}.rank-item{display:grid;grid-template-columns:30px minmax(0,1fr) 65px;gap:9px;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px}.rank-item>span:first-child{color:var(--muted);font-variant-numeric:tabular-nums}.rank-item>span:last-child{text-align:right;color:var(--muted);font-size:13px}.big-cloud{height:400px}.full-width{grid-column:1/-1}dialog{border:1px solid var(--border);border-radius:20px;padding:0;background:var(--bg);color:var(--ink);max-width:780px;width:calc(100% - 32px);max-height:90dvh;box-shadow:0 25px 90px #18374b40}dialog::backdrop{background:#102b4266}.modal-head{padding:20px 26px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;gap:10px}.modal-body{padding:25px;overflow-wrap:anywhere}.modal-body h3{margin:20px 0 9px}.modal-body h3:first-child{margin-top:0}.modal-body p{white-space:pre-wrap;color:var(--muted);font-size:14px;line-height:1.9}.modal-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.media-grid img,.media-grid video{width:100%;max-height:260px;object-fit:contain;background:var(--panel);border-radius:10px}.media-grid a{font-size:13px;overflow-wrap:anywhere}.modal-close{border:0;background:var(--panel);width:38px;height:38px;min-height:38px;border-radius:8px;color:var(--muted);font-size:22px}.settings{max-width:780px}.settings .fields{margin:20px 0}.settings textarea{min-height:115px}.roster-names{font-size:14px;line-height:2.3;color:var(--muted)}#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);opacity:0;pointer-events:none;z-index:100;background:var(--nav);color:var(--bg);padding:12px 22px;border-radius:10px;box-shadow:0 10px 35px #18374b33;font-size:14px;max-width:90vw;transition:opacity .16s,transform .16s}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
@media(min-width:1500px){.main{padding:38px 45px 60px}.form-layout{grid-template-columns:minmax(0,830px) 295px;gap:28px}.shell{grid-template-columns:245px minmax(0,1fr)}}
@media(max-width:1170px){.shell{grid-template-columns:196px minmax(0,1fr)}.rail{padding-inline:12px}.main{padding:24px}.topbar{padding-inline:24px}.form-layout{grid-template-columns:minmax(0,1fr) 225px;gap:17px}.card{padding:21px}.form-aside .card{padding:20px}.stats{gap:12px;grid-template-columns:repeat(4,minmax(0,1fr))}.stat{padding:17px}.stat-value{font-size:29px}.dashboard-grid{grid-template-columns:minmax(0,1fr)}.below-grid{grid-template-columns:minmax(0,1fr) 265px}}
@media(max-width:960px){.form-layout{grid-template-columns:minmax(0,1fr)}.form-aside{display:none}.form-column{max-width:none}.below-grid{grid-template-columns:minmax(0,1fr)}.group-board{grid-template-columns:minmax(0,1fr)}.page-heading{align-items:flex-start}.page-heading .actions{justify-content:flex-end}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.shell{display:block}.rail{position:relative;height:auto;padding:17px 18px 0}.brand{padding:0 0 15px}.brand img{width:36px;height:36px}.brand strong{font-size:17px}.brand small{display:none}.rail-label,.rail-foot{display:none}.nav{display:flex;gap:4px;overflow:auto;margin:0 -7px;padding-bottom:10px}.nav a{padding:9px 11px;font-size:13px;gap:7px}.nav .icon{width:17px;height:17px}.topbar{height:53px;padding-inline:18px;font-size:12px}.topbar .status-tag{display:none}.topbar .btn{font-size:12px;min-height:36px;padding:5px 8px}.main{padding:23px 16px 35px}h1{font-size:24px}.page-heading{display:block;margin-bottom:20px}.page-heading p{font-size:13px}.page-heading>.actions{justify-content:flex-start;margin-top:14px}.card{padding:20px 17px;border-radius:13px}.card-head h2{font-size:17px}.highlight-grid{grid-template-columns:minmax(0,1fr)}.highlight-grid .check-card:last-child{grid-column:auto}.check-card{padding:14px}.check-card strong{font-size:15px}.check-card small{font-size:13px}.fields{gap:15px}.form-actions{padding:15px;flex-wrap:wrap}.form-actions .actions{margin-left:auto}.form-actions .btn{padding-inline:13px}.stats{gap:10px;margin-bottom:18px}.stat{padding:17px 14px;border-radius:12px}.stat-top{font-size:12px}.stat-value{font-size:29px}.stat-value small{font-size:12px}.stat-foot{font-size:11px}.dashboard-grid,.below-grid{gap:16px}.bar-row{grid-template-columns:108px minmax(0,1fr) 63px;gap:9px;font-size:12px}.rank-list{grid-template-columns:minmax(0,1fr)}.big-cloud{height:320px}.word-cloud{min-height:240px}.filters{gap:9px}.filters .search{max-width:none}.filters select{max-width:none;width:auto;flex:1}.filters .segmented{width:100%}.filters .segmented button{flex:1;padding-inline:6px}.demo-banner{display:block;font-size:13px}.demo-banner .text-button{margin-top:3px}.member{grid-template-columns:minmax(0,1fr) 112px}.login{margin-top:25px}.modal-body{padding:19px}.modal-head{padding:16px 19px}.media-grid{grid-template-columns:minmax(0,1fr)}}
@media(max-width:380px){.fields{grid-template-columns:minmax(0,1fr)}.form-actions .actions{width:100%}.form-actions .btn{flex:1}.main{padding-inline:12px}.stat-top .icon{display:none}.bar-row{grid-template-columns:103px minmax(0,1fr) 60px;gap:5px}.nav a{font-size:12px;padding-inline:8px}.nav .icon{display:none}.member{grid-template-columns:minmax(0,1fr)}.member select{max-width:150px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
@media print{.rail,.topbar,.page-heading .actions,.filters,.btn,.text-button,#toast,.demo-banner{display:none!important}.shell{display:block}.main{padding:0}.card,.stat{break-inside:avoid;box-shadow:none}.group-board{grid-template-columns:repeat(2,minmax(0,1fr))}body{background:var(--bg)}.member select{display:none}.form-aside{display:none}.form-layout{display:block}}

/* Separate public form: school header and focused form, without admin navigation. */
.public-header{background:var(--bg);border-bottom:1px solid var(--border)}
.public-header-inner{max-width:1190px;margin:auto;padding:20px 34px;display:flex;align-items:center;justify-content:space-between;gap:15px}
.public-brand{display:flex;align-items:center;gap:13px;min-width:0}
.public-brand img{width:54px;height:54px;object-fit:contain;flex-shrink:0}
.public-brand strong{display:block;font-size:19px;letter-spacing:1px}
.public-brand span{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.public-badge{font-size:13px;color:var(--accent);background:var(--accent-soft);border-radius:7px;padding:6px 12px;white-space:nowrap}
.public-main{max-width:1190px;padding-top:30px}
.public-main .form-layout{grid-template-columns:minmax(0,1fr) 268px}
.public-main .form-column{max-width:none}
.public-footer{text-align:center;font-size:13px;color:var(--muted);padding:0 20px 30px}
@media(max-width:960px){.public-main{max-width:830px}.public-main .form-layout{grid-template-columns:minmax(0,1fr)}}
@media(max-width:700px){.public-header-inner{padding:15px 18px}.public-brand img{width:43px;height:43px}.public-brand strong{font-size:17px}.public-brand span{font-size:12px}.public-badge{display:none}.public-main{padding-top:23px}}

/* Lesson context precedes the single-column form on desktop and mobile. */
.public-main{max-width:1000px}
.public-header-inner{max-width:1000px}
.public-main .form-layout{display:block}
.lesson-overview{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.6fr);gap:20px;align-items:stretch}
.lesson-overview>.card{margin:0}
.lesson-overview .objectives{padding:25px 28px}
.lesson-overview .objectives ol{font-size:15px;line-height:1.9;margin-top:18px}
.lesson-overview .objectives li+li{margin-top:12px}
.form-intro-note{font-size:13px;color:var(--muted);line-height:1.8;margin:15px 2px 24px}
@media(max-width:700px){.lesson-overview{grid-template-columns:minmax(0,1fr);gap:14px}.lesson-overview .objectives{padding:21px 18px}.lesson-overview .lesson-panel h2{margin:8px 0}.lesson-overview .lesson-meta{margin-top:12px;padding-top:12px}.form-intro-note{margin-bottom:20px}}

/* Public form spacing after removing explanatory hints. */
.public-main .lesson-overview{margin-bottom:24px}
.public-main .counter{justify-content:flex-end}
.home-link{white-space:nowrap}
.project-switch-label{display:block;margin:0 5px 22px;color:var(--nav-text);font-size:12px}.project-switch-label>span{display:block;margin-bottom:7px}.project-switch-label select{font-size:13px;min-height:40px;padding:8px}.project-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.project-cards>.card{margin:0}.project-card h2{font-size:25px;overflow-wrap:anywhere}.project-current{color:var(--accent);font-size:12px}.project-meta{font-size:14px;color:var(--muted);margin:10px 0 6px}.project-counts{display:flex;gap:25px;flex-wrap:wrap;margin:25px 0;font-size:12px;color:var(--muted)}.project-counts strong{font-size:24px;color:var(--ink);margin-right:5px;font-variant-numeric:tabular-nums}.project-danger-actions{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--border);margin-top:22px;padding-top:10px}.project-danger-actions .text-button{font-size:12px;color:var(--red)}.btn.danger{background:var(--red);border-color:var(--red);color:white}#create-project .fields{margin-bottom:20px}#project-action .field{margin-top:22px}@media(max-width:960px){.project-cards{grid-template-columns:minmax(0,1fr)}}@media(max-width:700px){.project-switch-label{margin:0 0 15px}.project-switch-label>span{display:none}.project-switch-label select{max-width:100%;background:var(--nav-active);color:white;border-color:#ffffff30}.project-card h2{font-size:22px}.project-card .actions{gap:8px}.project-card .btn{font-size:13px;padding:8px 12px}}

/* Discussion phase and unobtrusive group administration. */
.rail-foot{padding:20px 6px 0}
.rail-more{position:relative}
.rail-more summary{list-style:none;display:grid;place-items:center;width:44px;height:44px;border:1px solid #ffffff25;border-radius:10px;color:var(--nav-text);cursor:pointer;font-size:25px;letter-spacing:3px;line-height:1;background:var(--nav)}
.rail-more summary::-webkit-details-marker{display:none}
.rail-more-menu{position:absolute;bottom:54px;left:0;min-width:172px;padding:8px;background:var(--nav);border:1px solid #ffffff30;border-radius:11px;box-shadow:0 12px 30px #18374b30;z-index:20}
.rail-more-menu a{display:flex;align-items:center;gap:9px;padding:11px;color:var(--nav-text);font-size:14px;white-space:nowrap;border-radius:7px}
.rail-more-menu a:hover{background:var(--nav-active)}
.below-grid.overview-recent{grid-template-columns:minmax(0,1fr)}
.discussion-work .page-heading{gap:16px}
.discussion-lesson{background:var(--nav);color:white;margin-bottom:20px}
.discussion-lesson>p{color:var(--nav-text);font-size:14px;margin:8px 0 20px}
.discussion-lesson h3{font-size:16px}
.discussion-lesson ol{padding-left:22px;margin:10px 0 0;color:var(--nav-text);line-height:1.9;font-size:14px}
.assigned-group{border-top:4px solid var(--group-color);margin-bottom:20px}
.assigned-group h2{color:var(--group-color);margin-top:5px}
.assigned-group p{font-size:14px;color:var(--muted);line-height:1.8}
.assigned-group .group-members{margin-top:12px}
.discussion-work textarea{min-height:180px}
.discussion-work .counter{margin-top:7px;justify-content:flex-end}
.discussion-evidence-title{margin:30px 0 16px}
.discussion-actions{display:flex;gap:16px;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:22px;margin-top:28px}
.discussion-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9;font-size:15px}
.discussion-entry .media-grid{margin-top:18px}
.discussion-entry figure{margin:0;min-width:0}
.discussion-entry .media-grid a{display:block;margin-top:6px}
.discussion-entry .card-head{flex-wrap:wrap}
.discussion-feed-heading{margin-top:30px}
.discussion-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:25px}
.discussion-tabs .btn{white-space:normal;text-align:left}
.discussion-group-label{font-size:13px;color:var(--accent);font-weight:600;margin:25px 0 10px}
.research-kpis{display:grid;grid-template-columns:1.2fr repeat(3,minmax(0,1fr));gap:16px;margin-bottom:20px}
.research-kpi{border:1px solid var(--border);border-radius:16px;background:var(--bg);padding:22px 24px;min-width:0}
.research-kpi>span{font-size:13px;color:var(--muted)}
.research-kpi>strong{display:block;font-size:36px;letter-spacing:-1px;font-weight:650;font-variant-numeric:tabular-nums;margin:8px 0 12px;line-height:1.2}
.research-kpi small{font-size:13px;font-weight:400;margin-left:8px;letter-spacing:0;color:var(--muted)}
.research-kpi p{font-size:12px;color:var(--muted)}
.research-kpi.featured{background:var(--nav);border-color:var(--nav);color:white}
.research-kpi.featured>span,.research-kpi.featured small,.research-kpi.featured p{color:var(--nav-text)}
.coverage-dots{display:flex;gap:6px;margin-top:20px}.coverage-dots i{height:5px;flex:1;border-radius:4px;background:var(--border)}.coverage-dots .filled{background:var(--accent)}
.research-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:20px;margin-bottom:28px}
.research-layout>.card,.research-detail-grid>.card{margin:0}
.research-bars{display:grid;gap:17px}.research-bar{display:grid;grid-template-columns:40px minmax(0,1fr) 25px;gap:12px;align-items:center;border:0;background:transparent;text-align:left;color:var(--ink);font-size:13px;padding:0;min-height:25px}
.research-bar strong{text-align:right;font-weight:600;font-variant-numeric:tabular-nums}.research-track{height:7px;border-radius:5px;background:var(--panel);overflow:hidden}.research-track i{display:block;height:100%;border-radius:5px}
.research-overview{display:flex;flex-direction:column;justify-content:center;background:#f9fcfc}
.research-eyebrow{font-size:12px;font-weight:600;letter-spacing:1px;color:var(--accent);display:block;margin-bottom:9px}
.research-overview h2{font-size:23px;line-height:1.5;margin-bottom:10px}
.research-overview>p{font-size:14px;line-height:1.9;color:var(--muted);max-width:550px}
.research-note{font-size:12px;color:var(--muted);line-height:1.8;margin-top:18px}
.research-tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:26px;padding:0 0 0 2px}
.research-tabs button{min-width:94px;padding:14px 20px;border:0;border-bottom:3px solid transparent;background:transparent;color:var(--muted);font-weight:600;font-size:15px}
.research-tabs button.selected{color:var(--accent);border-bottom-color:var(--accent)}.research-tabs button:hover{background:var(--accent-soft)}
.research-selected-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.research-selected-head .research-eyebrow{margin-bottom:5px}.research-selected-head h2{font-size:23px}
.research-detail-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:20px;margin-bottom:20px}
.excerpt-list{list-style:none;margin:0;padding:0}.excerpt-list li{display:grid;grid-template-columns:27px minmax(0,1fr);gap:13px;padding:18px 0;border-bottom:1px solid var(--border)}.excerpt-list li:first-child{padding-top:5px}.excerpt-list li:last-child{border:0;padding-bottom:0}
.excerpt-number{font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums;padding-top:4px}.excerpt-list p{font-size:14px;line-height:1.9;overflow-wrap:anywhere;white-space:pre-wrap}.excerpt-list .text-button{font-size:12px;padding-bottom:0;text-align:left}.excerpt-list .icon{width:14px;height:14px}
.research-word-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.research-word-list button{display:flex;gap:9px;justify-content:space-between;align-items:center;min-width:0;min-height:45px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:linear-gradient(to right,var(--accent-soft) var(--word-share),var(--bg) var(--word-share));color:var(--ink);text-align:left;font-size:13px}
.research-word-list button span{overflow-wrap:anywhere}.research-word-list strong{color:var(--accent);font-weight:600;white-space:nowrap}.research-word-list small{font-size:10px;font-weight:400;margin-left:3px;color:var(--muted)}
.research-empty{display:flex;align-items:center;justify-content:center;min-height:165px;text-align:center;padding:25px 12px;color:var(--muted);font-size:14px;border:1px dashed var(--border);border-radius:10px;background:var(--panel)}.research-empty.compact{min-height:95px}
.research-evidence{margin-bottom:20px}.evidence-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.evidence-gallery figure{margin:0;min-width:0}.evidence-gallery img,.evidence-gallery video,.heic-preview{display:block;width:100%;height:170px;object-fit:contain;background:var(--panel);border-radius:10px}.heic-preview{display:grid;place-items:center;color:var(--muted)}.evidence-gallery figcaption{padding-top:10px;font-size:12px}.evidence-gallery figcaption strong{font-weight:600;display:block}.evidence-gallery figcaption a{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:2px}
.research-originals>summary{cursor:pointer;display:flex;gap:16px;align-items:center;justify-content:space-between;font-size:16px;font-weight:600;list-style:none}.research-originals>summary::-webkit-details-marker{display:none}.research-originals[open]>summary{padding-bottom:22px;border-bottom:1px solid var(--border);margin-bottom:20px}.research-originals .discussion-entry{box-shadow:none;background:var(--panel)}.research-originals .discussion-entry+.discussion-entry{margin-top:14px}.research-originals #export-discussions{margin-top:18px}
@media(max-width:1170px){.research-kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.research-detail-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)}.research-word-list{grid-template-columns:minmax(0,1fr)}}
@media(max-width:700px){.research-kpis{gap:10px}.research-kpi{padding:18px 15px}.research-kpi>strong{font-size:29px}.research-kpi small{font-size:11px;margin-left:4px}.research-layout,.research-detail-grid{grid-template-columns:minmax(0,1fr);gap:14px}.research-overview h2{font-size:20px}.research-layout{margin-bottom:16px}.research-tabs{gap:0}.research-tabs button{flex:1;min-width:0;padding:13px 10px}.research-selected-head{flex-wrap:wrap}.research-selected-head h2{font-size:21px}.research-word-list{grid-template-columns:repeat(2,minmax(0,1fr))}.evidence-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.evidence-gallery img,.evidence-gallery video,.heic-preview{height:125px}.research-originals>summary{font-size:14px;gap:9px}.research-originals>summary .small{font-size:11px}.research-empty{min-height:110px}}
@media(max-width:700px){.rail .rail-foot{display:block;position:fixed;left:14px;bottom:16px;padding:0;z-index:30}.discussion-work .page-heading>.btn{margin-top:14px}.assigned-group .card-head{align-items:flex-start}.assigned-group .card-head .btn{padding:7px 0;min-height:36px;font-size:12px}.discussion-actions{align-items:stretch;flex-direction:column}.discussion-actions .btn{width:100%}.discussion-tabs .btn{font-size:13px;padding:8px 11px}.discussion-entry .card-head{gap:6px}}
/* Per-course group editor and restored personal highlight choices. */
#modal:has(.group-editor){width:min(1060px,calc(100vw - 28px));max-width:1060px}
.group-editor{margin:24px 0;padding:22px;background:#f5f8fb;border:1px solid var(--line);border-radius:16px}
.group-editor-controls,.move-teacher{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:16px 0}
.group-editor select{border:1px solid #cad9e3;border-radius:8px;padding:9px 12px;background:white;color:var(--ink)}
.group-editor-board{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.group-drop-zone,.group-drop-pool{padding:14px;background:white;border:1px solid #d7e2eb;border-radius:12px;min-height:110px}
.group-drop-pool{margin-bottom:14px;min-height:72px;border-style:dashed}
.group-drop-zone h4,.group-drop-pool h4{display:flex;justify-content:space-between;margin:0 0 12px;font-size:15px}
.group-editor h4 small{font-weight:400;color:var(--muted)}
.teacher-chips{display:flex;gap:7px;flex-wrap:wrap}
.teacher-chip{background:#eef4f8;border:1px solid #dbe5ed;color:var(--ink);border-radius:7px;padding:7px 10px;cursor:grab;font:inherit;font-size:14px;touch-action:manipulation}
.teacher-chip.selected{background:#d8eded;border-color:var(--accent)}
.drag-over{outline:2px solid var(--accent);background:#e6f3f2}
.highlight-options{display:grid;gap:10px;margin:24px 0}
.highlight-option{display:flex;align-items:flex-start;gap:12px;padding:15px 17px;border:1px solid #dce6ee;border-radius:10px;cursor:pointer;line-height:1.8}
.highlight-option input{flex:0 0 auto;width:18px;height:18px;accent-color:var(--accent);margin:5px 0 0}
.highlight-option:has(input:checked){background:#edf7f6;border-color:var(--accent)}
.highlight-option span span{color:var(--muted)}
#other-highlight-field[hidden]{display:none}
.legacy-discussion{margin-bottom:24px;padding:16px;background:#f3f6f9;border-radius:10px}
#discussion-form .counter{margin-bottom:28px}
.discussion-entry h4{margin:20px 0 8px}
@media(max-width:700px){.group-editor-board{grid-template-columns:repeat(2,minmax(0,1fr))}.group-editor{padding:12px}.group-drop-zone{padding:10px}.teacher-chip{padding:8px}.move-teacher strong{min-width:5em}.highlight-option{padding:12px;gap:10px}.highlight-option span span{display:block}.group-editor .card-head{align-items:flex-start;flex-wrap:wrap}}
@media(max-width:380px){.group-editor-board{grid-template-columns:1fr}}
.roster-editor-step{margin-bottom:26px}.roster-editor-step textarea{min-height:150px;max-height:260px;resize:vertical}.group-editor-step{border-top:1px solid var(--border);padding-top:22px;margin-top:22px}.group-name-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.group-drop-zone h4>span{min-width:0;overflow-wrap:anywhere}.group-drop-zone h4 small{white-space:nowrap;margin-left:8px}.research-theme{margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--border)}.research-theme p{margin:10px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;font-weight:600}.discussion-lesson .research-theme{margin-top:22px}.research-tabs button{white-space:normal;overflow-wrap:anywhere;max-width:100%}.research-bar{grid-template-columns:minmax(72px,1fr) minmax(60px,2fr) 35px}.research-bar>span:first-child{overflow-wrap:anywhere}.group-editor .move-teacher select{max-width:100%}
@media(max-width:700px){.group-name-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.group-name-fields .field{min-width:0}.research-tabs{flex-wrap:wrap}.research-bar{grid-template-columns:minmax(70px,1fr) minmax(60px,1.5fr) 24px}}
/* Applied rosters collapse; name inputs and drop targets share the same columns. */
#roster-fields[hidden]{display:none}
.roster-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.group-editor .group-name-fields,.group-editor .group-editor-board{grid-template-columns:repeat(var(--group-columns,4),minmax(0,1fr));gap:12px;align-items:stretch}
.group-editor .group-name-fields>.field{min-width:0;margin:0}
.group-editor .group-editor-controls{align-items:flex-end}
.group-editor-controls>label{display:flex;flex-direction:column;gap:8px;min-width:150px}
.group-editor-controls select,.group-editor-controls>.btn{min-height:46px}
.group-editor .group-drop-zone{margin:0;min-width:0}
@media(max-width:700px){.group-editor .group-name-fields,.group-editor .group-editor-board{grid-template-columns:repeat(min(2,var(--group-columns,4)),minmax(0,1fr))}.roster-summary .actions{gap:8px}}
@media(max-width:380px){.group-editor .group-name-fields,.group-editor .group-editor-board{grid-template-columns:minmax(0,1fr)}}
.training-system-title,.training-record-title{display:block}.training-record-title{font-size:.76em;font-weight:600;margin-top:8px;color:var(--accent)}
.discussion-question-totals,.discussion-aspect-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:20px;align-items:start}
.discussion-question-totals>.card+.card,.discussion-aspect-grid>.card+.card{margin-top:0}
.discussion-question-totals>.card{width:100%;height:100%}.discussion-question-totals h2{font-size:16px}.discussion-question-totals p{margin-top:10px;color:var(--muted)}.discussion-question-totals strong{font-size:27px;color:var(--ink)}
.discussion-aspect{border-top:3px solid var(--accent)}.discussion-aspect[data-aspect=optimizationSuggestions]{border-top-color:#a7783c}.discussion-aspect-metrics{display:flex;gap:22px;flex-wrap:wrap;padding:14px 16px;background:var(--panel);border-radius:9px;margin-bottom:22px;font-size:13px;color:var(--muted)}.discussion-aspect-metrics strong{font-size:24px;color:var(--ink);margin-right:3px}.discussion-aspect h3{margin-bottom:14px}.discussion-aspect .excerpt-list{margin-top:16px}.aspect-keywords{border-top:1px solid var(--border);margin-top:22px;padding-top:22px}.aspect-source+.aspect-source{border-top:1px solid var(--border);padding-top:20px;margin-top:20px}.aspect-source h3{margin-bottom:10px}.legacy-aspect{margin-bottom:20px}.legacy-aspect .discussion-aspect{border:0;box-shadow:none;padding:0}.legacy-stat-note{margin:-4px 0 20px}
@media(max-width:800px){.discussion-aspect-grid{grid-template-columns:minmax(0,1fr)}.discussion-question-totals{gap:10px}.discussion-question-totals h2{font-size:14px}.discussion-aspect .card-head{align-items:flex-start}.training-system-title{font-size:.9em}}