/* Noandishan v21 — educational triad */
:root{--v21-blue:#3157d5;--v21-indigo:#173fbd;--v21-green:#22a87b;--v21-gold:#f3a319;--v21-red:#f0526e;--v21-ink:#18243a;--v21-muted:#66758a;--v21-line:#dfe7f2;--v21-bg:#f4f7fb}
.v21-education,.v21-assessment,.v21-remediation,.v21-final-result,.v21-assess-home{max-width:1240px;margin:0 auto;padding:22px;color:var(--v21-ink)}
.v21-education button,.v21-assessment button,.v21-remediation button,.v21-final-result button,.v21-assess-home button,.v21-teacher-education button{font:inherit;border:0;border-radius:15px;padding:12px 17px;font-weight:900;cursor:pointer;background:var(--v21-blue);color:#fff;transition:.18s}.v21-education button:hover,.v21-assessment button:hover,.v21-remediation button:hover,.v21-final-result button:hover,.v21-assess-home button:hover{transform:translateY(-1px)}.v21-education button:disabled,.v21-assessment button:disabled,.v21-assess-home button:disabled{opacity:.45;cursor:not-allowed;transform:none}.v21-education .soft,.v21-assess-home .soft{background:#edf2ff;color:var(--v21-blue);border:1px solid #cfdcff}
.v21-edu-hero{display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;padding:28px;border-radius:30px;background:linear-gradient(135deg,#173fbd,#3157d5 55%,#6b5bd2);color:#fff;box-shadow:0 22px 55px rgba(34,65,155,.22)}.v21-edu-hero>div:first-child>span,.v21-module-head>div>span,.v21-assess-home>section>span,.v21-teacher-head span{display:inline-flex;padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.15);font-weight:900;font-size:13px}.v21-edu-hero h1{font-size:clamp(27px,4vw,45px);margin:10px 0}.v21-edu-hero p{margin:0;line-height:2;color:#e8edff;max-width:760px}.v21-hero-class{min-width:220px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:23px;padding:20px;display:grid;gap:7px}.v21-hero-class b{font-size:22px}.v21-hero-class span,.v21-hero-class small{color:#e9edff}
.v21-module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}.v21-module-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--v21-line);border-radius:27px;padding:24px;box-shadow:0 14px 38px rgba(28,48,87,.08);min-height:330px;display:flex;flex-direction:column}.v21-module-card:before{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(var(--v21-blue),#6b5bd2)}.v21-module-card:nth-child(2):before{background:linear-gradient(var(--v21-gold),#f7c761)}.v21-module-card:nth-child(3):before{background:linear-gradient(var(--v21-green),#56cba4)}.v21-module-card.locked{filter:grayscale(.5);background:#f6f7f9}.v21-module-no{position:absolute;left:18px;top:18px;width:42px;height:42px;border-radius:14px;background:#eef2ff;color:var(--v21-blue);display:grid;place-items:center;font-size:20px;font-weight:950}.v21-module-icon{font-size:52px}.v21-module-card h2{font-size:25px;margin:15px 0 8px}.v21-module-card p{color:var(--v21-muted);line-height:1.9;margin:0}.v21-module-state{margin:auto 0 14px;padding:10px 12px;border-radius:13px;background:#ecfbf5;color:#177457;font-weight:850;font-size:13px}.v21-module-card.locked .v21-module-state{background:#eceff3;color:#7b8797}.v21-module-card button{width:100%}
.v21-module-head{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;background:rgba(255,255,255,.93);backdrop-filter:blur(18px);border:1px solid var(--v21-line);border-radius:22px;padding:14px 16px;box-shadow:0 10px 28px rgba(20,40,75,.08)}.v21-module-head>button:first-child{background:#eef2f7;color:#42536a}.v21-module-head .pdf{background:linear-gradient(135deg,var(--v21-green),#2fc798)}.v21-module-head h1{font-size:22px;margin:5px 0 0}.v21-module-head>div>span{background:#eef2ff;color:var(--v21-blue)}
.v21-slide-rail{display:flex;gap:10px;overflow:auto;padding:15px 2px 7px;scrollbar-width:none}.v21-slide-rail::-webkit-scrollbar{display:none}.v21-slide-rail button{min-width:210px;background:#fff;color:var(--v21-ink);border:1px solid var(--v21-line);display:grid;grid-template-columns:38px 1fr;align-items:center;text-align:right;padding:10px}.v21-slide-rail button b{width:34px;height:34px;border-radius:11px;background:#edf2ff;color:var(--v21-blue);display:grid;place-items:center}.v21-slide-rail button.active{border-color:var(--v21-blue);box-shadow:0 8px 24px rgba(49,87,213,.13)}.v21-slide-rail button.done b{background:var(--v21-green);color:#fff}
.v21-slide{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(300px,.75fr);gap:18px;align-items:start}.v21-lesson-sheet,.v21-discovery-panel,.v21-teaching-question,.v21-solution-card,.v21-solution-placeholder,.v21-assess-question,.v21-error-review,.v21-self-diagnose,.v21-similar{background:#fff;border:1px solid var(--v21-line);border-radius:26px;padding:24px;box-shadow:0 14px 36px rgba(28,48,87,.07)}.v21-sheet-kicker,.v21-q-skill{display:inline-flex;padding:7px 12px;border-radius:999px;background:#eef3ff;color:var(--v21-blue);font-weight:900}.v21-lesson-sheet h2{font-size:31px;margin:14px 0 6px}.v21-lesson-sheet .lead{font-size:17px;line-height:2;color:#44536a}.v21-visual-board{background:linear-gradient(145deg,#f8fbff,#fffaf1);border:1px solid #e5ebf4;border-radius:24px;padding:16px;min-height:240px;display:grid;place-items:center;overflow:hidden}.v21-axis,.v21-concept-svg{width:100%;height:auto}.v21-example,.v21-formal-note{margin-top:16px;border-radius:18px;padding:16px;line-height:1.9}.v21-example{background:#fff7e7;border-right:6px solid var(--v21-gold)}.v21-formal-note{background:#eef4ff;border-right:6px solid var(--v21-blue)}.v21-example span,.v21-formal-note span{display:block;font-weight:950;margin-bottom:5px}.v21-example p,.v21-formal-note p{margin:0}.v21-discovery-panel{position:sticky;top:92px;background:linear-gradient(180deg,#fff,#f8fbff)}.v21-zone-switch{display:grid;grid-template-columns:1fr 1fr;background:#eef1f6;border-radius:14px;padding:4px;margin-bottom:17px}.v21-zone-switch button{background:transparent;color:#657386;padding:9px}.v21-zone-switch button.active{background:#fff;color:var(--v21-blue);box-shadow:0 4px 12px rgba(20,40,75,.09)}.v21-discovery-panel>span{color:var(--v21-green);font-weight:950}.v21-discovery-panel h3{font-size:20px;line-height:1.8}.v21-discovery-panel textarea,.v21-self-diagnose textarea{width:100%;min-height:190px;resize:vertical;border:1px solid #ccd8e8;border-radius:17px;padding:14px;font:inherit;line-height:1.9;background:#fff}.v21-discovery-panel small{display:block;color:var(--v21-muted);margin:8px 0 14px;line-height:1.8}.v21-discovery-panel>button{width:100%}.v21-saved{margin-top:10px;color:var(--v21-green);font-weight:900;text-align:center}.v21-slide-nav{position:sticky;bottom:0;z-index:20;margin-top:18px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border:1px solid var(--v21-line);border-radius:20px;padding:11px;box-shadow:0 -8px 25px rgba(25,45,80,.08)}.v21-slide-nav>div{display:flex;align-items:center;justify-content:center;gap:7px;overflow:auto}.v21-slide-nav>div button{min-width:32px;height:32px;padding:3px;border-radius:10px;background:#edf1f7;color:#5c6980}.v21-slide-nav>div button.active{background:var(--v21-blue);color:#fff}.v21-slide-nav>div button.done{box-shadow:inset 0 0 0 2px var(--v21-green)}
.v21-sign-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:100%}.v21-sign-cards article{border-radius:22px;padding:20px;text-align:center;display:grid;gap:6px}.v21-sign-cards b{font-size:48px}.v21-sign-cards span{font-weight:950}.v21-sign-cards small{color:#68768a}.v21-sign-cards .neg{background:#fff0f3;color:#c53a58}.v21-sign-cards .zero{background:#fff8e4;color:#9d6a08}.v21-sign-cards .pos{background:#ebfaf4;color:#137553}.v21-parity{text-align:center}.v21-parity>div{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}.v21-parity b{width:75px;height:75px;border-radius:50%;display:grid;place-items:center;background:#3157d5;color:#fff;font-size:25px}.v21-parity b:nth-of-type(2){background:#f0526e}.v21-parity i{font-style:normal;color:#68768a;font-weight:900}.v21-parity p{font-weight:950;color:var(--v21-green)}.v21-transform{display:grid;grid-template-columns:1fr auto 1fr;gap:15px;align-items:center;width:min(650px,100%);padding:15px;margin:8px auto;border-radius:18px;background:#fff;border:1px solid var(--v21-line);text-align:center}.v21-transform span,.v21-transform b{font-size:25px}.v21-transform i{font-style:normal;color:#7a8798}.v21-reverse,.v21-counter{width:min(680px,100%);border-radius:22px;padding:25px;background:#fff;text-align:center}.v21-reverse{display:grid;grid-template-columns:80px 1fr 80px;gap:12px;align-items:center}.v21-reverse b{height:70px;border-radius:20px;background:#edf3ff;color:var(--v21-blue);display:grid;place-items:center;font-size:25px}.v21-reverse span{padding:15px;border-radius:999px;background:#fff1f3;color:#c43655;font-weight:950}.v21-reverse i,.v21-reverse strong{grid-column:1/-1}.v21-reverse i{font-style:normal;color:#677489}.v21-reverse strong{color:var(--v21-green);font-size:23px}.v21-counter p{font-weight:900}.v21-counter>div{display:flex;gap:12px;justify-content:center;align-items:center}.v21-counter b,.v21-counter strong{font-size:25px;padding:12px 18px;border-radius:15px;background:#edf3ff}.v21-counter em{display:block;margin-top:15px;color:#c43655;font-style:normal;font-weight:900}
.v21-eduq-main{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:16px}.v21-teaching-question h2,.v21-assess-question h2{font-size:clamp(23px,3vw,34px);line-height:1.7}.v21-teaching-question label{display:grid;gap:8px;color:#536277;font-weight:900}.v21-teaching-question input{width:100%;border:1px solid #ccd7e7;border-radius:16px;padding:15px;font:inherit;font-size:16px}.v21-teaching-actions{display:flex;gap:10px;margin-top:15px}.v21-solution-title{display:flex;justify-content:space-between;gap:10px;align-items:center}.v21-solution-title span{color:var(--v21-green);font-weight:950}.v21-solution-title b{background:#eaf9f3;color:#167756;padding:8px 12px;border-radius:13px}.v21-solution-card ol{counter-reset:steps;list-style:none;padding:0}.v21-solution-card li{position:relative;padding:15px 55px 15px 15px;margin:10px 0;background:#f7f9fc;border-radius:16px;line-height:1.9}.v21-solution-card li:before{counter-increment:steps;content:counter(steps);position:absolute;right:13px;top:12px;width:31px;height:31px;border-radius:10px;background:var(--v21-blue);color:#fff;display:grid;place-items:center;font-weight:900}.v21-friendly{background:#fff6e4;border-radius:18px;padding:14px;border-right:5px solid var(--v21-gold)}.v21-friendly span{font-weight:950;color:#9a650b}.v21-friendly p{margin:5px 0}.v21-my-answer{margin-top:13px;padding:12px;border-radius:14px;background:#eef4ff}.v21-solution-placeholder{display:grid;place-items:center;text-align:center;min-height:320px}.v21-solution-placeholder span{font-size:54px}.v21-solution-placeholder p{color:var(--v21-muted);max-width:420px;line-height:1.9}
.v21-assess-home>section{padding:30px;border-radius:28px;background:linear-gradient(135deg,#102e8f,#3157d5);color:#fff}.v21-assess-home>section>span{background:rgba(255,255,255,.15)}.v21-assess-home h1{font-size:clamp(28px,4vw,45px);margin:10px 0}.v21-assess-home>section p{color:#e8edff;line-height:2}.v21-assess-path{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:18px 0}.v21-assess-path article{background:#fff;border:1px solid var(--v21-line);border-radius:23px;padding:20px;position:relative}.v21-assess-path article b{width:43px;height:43px;border-radius:14px;background:#edf3ff;color:var(--v21-blue);display:grid;place-items:center;font-size:20px}.v21-assess-path article p{color:var(--v21-muted);line-height:1.8}.v21-assess-buttons{display:flex;gap:12px}.v21-last-result{display:flex;align-items:center;gap:15px;background:#eaf9f3;padding:15px;border-radius:19px;margin-bottom:15px}.v21-last-result b{font-size:30px;color:var(--v21-green)}.v21-last-result span{font-weight:950}.v21-last-result small{margin-right:auto}.v21-assess-progress{height:10px;background:#e5eaf2;border-radius:999px;overflow:hidden;margin:15px 0}.v21-assess-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--v21-blue),#6b5bd2);border-radius:999px}.v21-assess-question{min-height:430px;display:grid;align-content:center}.v21-q-meta{display:flex;gap:8px;flex-wrap:wrap}.v21-q-meta span{padding:6px 10px;border-radius:999px;background:#eef3ff;color:var(--v21-blue);font-weight:850;font-size:13px}.v21-assess-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.v21-assess-options button{background:#fbfcfe;color:var(--v21-ink);border:2px solid #e0e7f1;text-align:right;display:flex;align-items:center;gap:12px;min-height:68px}.v21-assess-options button i{font-style:normal;width:34px;height:34px;border-radius:11px;background:#edf2ff;color:var(--v21-blue);display:grid;place-items:center}.v21-assess-options button.selected{background:#eef3ff;border-color:var(--v21-blue);box-shadow:0 8px 22px rgba(49,87,213,.12)}.v21-assess-options button.selected i{background:var(--v21-blue);color:#fff}
.v21-result-hero{display:grid;grid-template-columns:auto 1fr;gap:25px;align-items:center;padding:28px;border-radius:28px;background:linear-gradient(135deg,#14359d,#3157d5);color:#fff}.v21-result-ring{width:170px;height:170px;border-radius:50%;display:grid;place-content:center;text-align:center;background:radial-gradient(circle at center,#fff 0 56%,transparent 57%),conic-gradient(#f4c04b calc(var(--score)*1%),rgba(255,255,255,.2) 0);color:var(--v21-blue)}.v21-result-ring b{font-size:34px}.v21-result-ring span{font-size:12px}.v21-result-hero h1{font-size:32px;margin:8px 0}.v21-result-hero p{color:#e8edff}.v21-skill-dashboard{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:18px 0}.v21-skill-dashboard article{display:grid;grid-template-columns:1fr 160px 55px;gap:12px;align-items:center;background:#fff;border:1px solid var(--v21-line);border-radius:18px;padding:14px}.v21-skill-dashboard article div{display:grid}.v21-skill-dashboard article div span{color:var(--v21-muted);font-size:13px}.v21-skill-dashboard article i,.v21-ta-skills i{height:10px;background:#e8edf4;border-radius:999px;overflow:hidden}.v21-skill-dashboard article em,.v21-ta-skills em{display:block;height:100%;background:linear-gradient(90deg,var(--v21-red),var(--v21-gold),var(--v21-green));border-radius:999px}
.v21-remediation main{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.v21-error-review>span,.v21-self-diagnose>span,.v21-similar>span{color:var(--v21-blue);font-weight:950}.v21-error-review p{line-height:2}.v21-misconception{background:#fff1f3;color:#b43754;padding:13px;border-radius:15px;font-weight:850}.v21-self-diagnose button,.v21-similar>button{width:100%;margin-top:12px}.v21-similar{grid-column:1/-1}.v21-remediation-done{max-width:650px;margin:35px auto;text-align:center;background:#fff;border:1px solid var(--v21-line);border-radius:28px;padding:40px}.v21-remediation-done span{font-size:60px}
.v21-teacher-education{padding:5px}.v21-teacher-head{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px;border-radius:23px;background:linear-gradient(135deg,#183baf,#3157d5);color:#fff}.v21-teacher-head span{background:rgba(255,255,255,.14)}.v21-teacher-head h2{margin:8px 0}.v21-teacher-head p{color:#e8edff;margin:0}.v21-teacher-head>button{background:#fff;color:var(--v21-blue)}.v21-teacher-switches{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:15px 0}.v21-teacher-switches article{display:grid;grid-template-columns:45px 1fr auto;gap:12px;align-items:center;background:#f7f8fb;border:1px solid var(--v21-line);border-radius:20px;padding:15px}.v21-teacher-switches article.on{background:#edfbf5;border-color:#b9ead7}.v21-teacher-switches article>span{font-size:30px}.v21-teacher-switches h3,.v21-teacher-switches p{margin:0}.v21-teacher-switches p{color:var(--v21-muted);font-size:13px;margin-top:4px}.v21-teacher-switches button{background:#9aa6b7}.v21-teacher-switches article.on button{background:var(--v21-green)}.v21-teacher-empty{padding:30px;text-align:center;background:#f7f9fc;border:1px dashed #cbd7e6;border-radius:20px;color:var(--v21-muted)}.v21-ta-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.v21-ta-summary article{background:#fff;border:1px solid var(--v21-line);border-radius:18px;padding:15px;text-align:center}.v21-ta-summary b{display:block;font-size:25px;color:var(--v21-blue)}.v21-ta-skills,.v21-ta-students{margin-top:14px;background:#fff;border:1px solid var(--v21-line);border-radius:20px;padding:18px}.v21-ta-skills>div{display:grid;grid-template-columns:minmax(170px,1fr) minmax(150px,2fr) 90px;gap:12px;align-items:center;margin:10px 0}.v21-ta-students details{border:1px solid var(--v21-line);border-radius:15px;margin:8px 0;overflow:hidden}.v21-ta-students summary{display:grid;grid-template-columns:1fr repeat(3,auto);gap:12px;align-items:center;padding:14px;cursor:pointer}.v21-ta-students summary em{font-style:normal;color:#b43754}.v21-student-skill-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px;background:#f8fafc}.v21-student-skill-grid article{border-radius:14px;padding:11px;background:#fff;border-right:5px solid var(--v21-green)}.v21-student-skill-grid article.warn{border-color:var(--v21-gold)}.v21-student-skill-grid article.bad{border-color:var(--v21-red)}.v21-student-skill-grid b{display:block;font-size:20px}
.v21-class-registration-note{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:14px;border-radius:17px;background:#eef4ff;border:1px solid #d4e0ff;margin-bottom:14px}.v21-class-registration-note b{color:var(--v21-blue)}
@media(max-width:900px){.v21-module-grid,.v21-assess-path,.v21-teacher-switches{grid-template-columns:1fr}.v21-slide,.v21-eduq-main,.v21-remediation main{grid-template-columns:1fr}.v21-discovery-panel{position:static}.v21-skill-dashboard{grid-template-columns:1fr}.v21-ta-summary{grid-template-columns:1fr 1fr}.v21-student-skill-grid{grid-template-columns:1fr 1fr}.v21-edu-hero{grid-template-columns:1fr}.v21-hero-class{min-width:0}.v21-assess-options{grid-template-columns:1fr}}
@media(max-width:600px){.v16-workspace{padding:0!important}.v21-education,.v21-assessment,.v21-remediation,.v21-final-result,.v21-assess-home{padding:10px 10px 88px}.v21-edu-hero{padding:20px;border-radius:22px}.v21-edu-hero h1{font-size:27px;line-height:1.45}.v21-module-card{min-height:265px;padding:19px;border-radius:22px}.v21-module-icon{font-size:40px}.v21-module-card h2{font-size:22px}.v21-module-head{top:0;border-radius:0;margin:-10px -10px 0;padding:10px;grid-template-columns:44px 1fr auto}.v21-module-head>button:first-child{width:44px;padding:10px;font-size:0}.v21-module-head>button:first-child:after{content:'→';font-size:20px}.v21-module-head .pdf{font-size:12px;padding:9px}.v21-module-head h1{font-size:17px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.v21-module-head>div>span{font-size:11px}.v21-slide-rail{margin:0 -2px}.v21-slide-rail button{min-width:175px}.v21-lesson-sheet,.v21-discovery-panel,.v21-teaching-question,.v21-solution-card,.v21-solution-placeholder,.v21-assess-question,.v21-error-review,.v21-self-diagnose,.v21-similar{padding:17px;border-radius:21px}.v21-lesson-sheet h2{font-size:25px}.v21-visual-board{min-height:180px;padding:8px}.v21-sign-cards{grid-template-columns:1fr}.v21-sign-cards article{grid-template-columns:45px 1fr;align-items:center;text-align:right}.v21-sign-cards small{grid-column:2}.v21-slide-nav{position:fixed;bottom:calc(70px + env(safe-area-inset-bottom));left:8px;right:8px;margin:0;border-radius:18px;padding:8px}.v21-slide-nav>button{padding:10px;font-size:13px}.v21-slide-nav>div{max-width:155px}.v21-slide-nav>div button{min-width:28px;height:28px}.v21-transform{grid-template-columns:1fr}.v21-transform i{transform:rotate(90deg)}.v21-reverse{grid-template-columns:65px 1fr 65px}.v21-reverse b{height:60px}.v21-teaching-actions,.v21-assess-buttons{display:grid}.v21-solution-title{display:grid}.v21-result-hero{grid-template-columns:1fr;text-align:center}.v21-result-ring{margin:auto}.v21-result-hero h1{font-size:26px}.v21-skill-dashboard article{grid-template-columns:1fr 70px}.v21-skill-dashboard article i{grid-column:1/-1}.v21-ta-summary,.v21-student-skill-grid{grid-template-columns:1fr}.v21-ta-skills>div{grid-template-columns:1fr 70px}.v21-ta-skills i{grid-column:1/-1}.v21-ta-students summary{grid-template-columns:1fr 1fr}.v21-ta-students summary span{grid-column:1/-1}.v21-teacher-head{display:grid}.v21-teacher-switches article{grid-template-columns:40px 1fr}.v21-teacher-switches button{grid-column:1/-1;width:100%}.v21-q-count,.v21-assess-timer{font-size:11px}.v21-parity b{width:60px;height:60px}.v21-class-registration-note{grid-template-columns:1fr}}
@media print{.v16-topbar,.v16-tabbar,.v16-bottom-nav,.v21-module-head,.v21-slide-rail,.v21-slide-nav,.v21-discovery-panel{display:none!important}.v21-slide{display:block}.v21-lesson-sheet{box-shadow:none;border:0}}

/* v21 class assignment and detailed teacher analytics */
.v21-class-assignment-banner{display:grid;grid-template-columns:minmax(160px,1.4fr) repeat(2,minmax(90px,.55fr));gap:12px;align-items:center;margin:14px 0 20px;padding:16px;border:1px solid #cfe0ff;border-radius:20px;background:linear-gradient(135deg,#edf4ff,#f7fbff);box-shadow:0 12px 30px rgba(35,72,151,.08)}
.v21-class-assignment-banner>div{padding:10px 12px;border-radius:14px;background:#fff}.v21-class-assignment-banner span,.v21-class-assignment-banner small{display:block;color:#6b7890;font-size:12px}.v21-class-assignment-banner h3,.v21-class-assignment-banner b{margin:3px 0 0;color:#173fbd}.v21-class-assignment-banner p{grid-column:1/-1;margin:0;color:#42516a;line-height:1.9}
.v21-student-error-list{margin-top:18px;border-top:1px solid #e2e8f2;padding-top:15px}.v21-student-error-list h4{margin:0 0 12px}.v21-student-error-list article{padding:12px 14px;border-radius:15px;margin:8px 0;background:#f7f9fc;border-right:5px solid #94a3b8}.v21-student-error-list article.bad{background:#fff2f4;border-color:#e34e68}.v21-student-error-list article.ok{background:#eefaf5;border-color:#22a87b}.v21-student-error-list article>div{display:flex;gap:10px;justify-content:space-between;align-items:center}.v21-student-error-list article p{margin:7px 0 0;line-height:1.8;color:#48566d}
@media(max-width:720px){.v21-class-assignment-banner{grid-template-columns:1fr 1fr}.v21-class-assignment-banner>div:first-child{grid-column:1/-1}.v21-student-error-list article>div{align-items:flex-start;flex-direction:column}.v21-register-card select{min-height:52px}}
.v21-pending-rem{margin:18px 0;padding:16px 18px;border-radius:18px;background:#fff5e3;border:1px solid #ffd998;color:#704b08}.v21-pending-rem b{display:block;font-size:17px}.v21-pending-rem p{margin:5px 0 12px}.v21-pending-rem button{width:100%}
.v21-formal-note.waiting{background:#f7f8fb;border-color:#a6b2c4;color:#66758c}.v21-formal-note.revealed{animation:v21Reveal .25s ease}@keyframes v21Reveal{from{opacity:.2;transform:translateY(5px)}to{opacity:1;transform:none}}.v21-notebook-blank{padding:10px;border-radius:16px;background:repeating-linear-gradient(#fff,#fff 35px,#dae3f0 36px)}.v21-notebook-blank>span{display:block;font-weight:850;color:#44546c;margin-bottom:5px}.v21-notebook-blank textarea{background:transparent!important;border:0!important;box-shadow:none!important;line-height:36px;min-height:180px}
.v21-numeric-answer{margin-top:18px;padding:15px;border-radius:18px;background:#f7f9fd;border:1px solid #dfe7f3}.v21-numeric-answer label{display:grid;gap:8px;font-weight:850}.v21-numeric-answer input{min-height:58px;font-size:22px;text-align:center;direction:ltr;border:2px solid #ccd9ed;border-radius:15px;background:#fff}.v21-numeric-answer small,.v21-multi-hint{display:block;margin-top:8px;color:#697891}.v21-assess-options.multi button i{border-radius:8px}
.v21-teacher-notebook-list{margin-top:18px;border-top:1px solid #e2e8f2;padding-top:15px}.v21-teacher-notebook-list article{margin:8px 0;padding:12px 14px;border-radius:15px;background:#f4f8ff;border-right:5px solid #3157d5}.v21-teacher-notebook-list article>div{display:flex;justify-content:space-between;gap:10px}.v21-teacher-notebook-list article span{font-size:11px;background:#fff;padding:3px 8px;border-radius:999px;color:#60708a}.v21-teacher-notebook-list article p{margin:7px 0 0;line-height:1.9;color:#3e4e66}