@charset "UTF-8";
:root{--navy:#122c4b;--ink:#192d44;--muted:#6b7c8f;--line:#dfe6ee;--paper:#f3f6fa;--blue:#1f5594;--accent:#df9b48;--green:#176e59;--radius:14px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled,input:disabled,textarea:disabled{opacity:.55;cursor:not-allowed}h1,h2,h3,p{margin-top:0}h1{font-size:34px;line-height:1.22;letter-spacing:-1.2px;margin-bottom:10px}h2{font-size:20px;letter-spacing:-.5px;margin-bottom:14px}h3{font-size:16px;margin-bottom:12px}p{margin-bottom:18px}.topbar{background:#fff;border-bottom:1px solid var(--line)}.nav-inner{max-width:1320px;margin:auto;padding:20px 36px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:500;letter-spacing:1px;line-height:1.2}.brand b{color:var(--blue)}.brand small{display:block;font-size:9px;letter-spacing:2.4px;color:var(--muted);margin-top:5px}.brand-icon{display:grid;place-items:center;background:var(--navy);color:#fff;width:44px;height:44px;border-radius:11px;font-family:Georgia,serif;font-size:29px}.nav-inner nav{display:flex;align-items:center;gap:24px;font-size:13px}.nav-inner nav>a{color:var(--muted)}.nav-inner nav>a:hover{color:var(--blue)}.nav-caption{font-size:10px;letter-spacing:2px;color:var(--muted)}.identity{border-left:1px solid var(--line);padding-left:24px;font-weight:600}.identity small{display:block;font-weight:400;font-size:11px;color:var(--muted)}.container{max-width:1320px;padding:40px 36px;min-height:calc(100vh - 180px);margin:auto}.footer{max-width:1320px;margin:auto;padding:20px 36px;color:var(--muted);font-size:11px;border-top:1px solid var(--line);text-align:center}.footer span{padding:0 8px}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:750;color:var(--blue);display:block;margin-bottom:12px}.muted{color:var(--muted)}.small{font-size:12px}.wide{width:100%}.btn{border:1px solid transparent;border-radius:8px;display:inline-flex;gap:12px;justify-content:center;align-items:center;font-size:13px;font-weight:650;min-height:42px;padding:10px 18px;white-space:nowrap}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--blue)}.btn-secondary{background:#fff;border-color:#cfd9e5;color:var(--navy)}.btn-secondary:hover{background:#f3f7fc}.btn-ghost{background:#f1f4f8;color:var(--ink);font-size:12px;min-height:34px;padding:7px 13px}.btn-danger{background:#fff2f1;color:#a63333;border-color:#f2ceca}.text-link{color:var(--blue);font-weight:650}.text-link:hover{text-decoration:underline}.back{display:inline-block;color:var(--muted);font-size:12px;margin-bottom:24px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;margin-bottom:24px;box-shadow:0 3px 8px #192d4403}.page-head{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:30px}.page-head p{margin-bottom:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 18px}.section-heading h2{margin:0}.section-heading p{margin:8px 0 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}.stat span{font-size:12px;color:var(--muted);display:block}.stat strong{font-size:32px;letter-spacing:-1px;display:block;line-height:1.5}.stat.accent{background:var(--navy);border-color:var(--navy);color:#fff}.stat.accent span{color:#c3d5e9}.class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.class-card{display:block;transition:transform .15s,border-color .15s}.class-card:hover{transform:translateY(-3px);border-color:#8aaccf}.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px}.code-badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.4px;background:#eaf0f8;color:var(--blue);border-radius:5px;padding:6px 9px}.class-card h3{font-size:20px;margin:23px 0 5px}.class-totals{display:flex;gap:20px;font-size:12px;color:var(--muted);margin:24px 0 12px}.class-totals b{color:var(--ink)}.progress{height:5px;background:#edf1f6;border-radius:4px;overflow:hidden}.progress span{display:block;height:100%;background:var(--accent)}.card-action{display:flex;justify-content:space-between;font-size:12px;font-weight:600;margin-top:20px}.empty{text-align:center;padding:40px;color:var(--muted);grid-column:1/-1}.form-grid{display:grid;gap:18px}.form-grid.four{grid-template-columns:repeat(4,1fr)}.form-grid.two,.two-col{grid-template-columns:1fr 1fr}.two-col{display:grid;gap:24px}.two-col .card{min-width:0}label{display:block;font-size:12px;font-weight:650;margin:18px 0 7px}input,select,textarea{border:1px solid #cfd9e5;background:#fff;color:var(--ink);border-radius:7px;padding:11px 12px;width:100%;min-height:44px}input::placeholder{color:#98a4b4;font-size:13px}input:focus,textarea:focus,select:focus{border-color:var(--blue);outline:2px solid #dbe9fb}textarea{resize:vertical}input[type=file]{font-size:12px;background:#f7f9fc;padding:13px}code{font-size:12px;background:#f0f4f9;border-radius:4px;padding:2px 4px;overflow-wrap:anywhere}.form-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-top:24px}.form-bottom p{margin:0}form>.btn{margin-top:16px}summary{font-size:14px;font-weight:650;cursor:pointer}details[open]>summary{margin-bottom:24px}.table-card{padding:0;overflow:hidden}.table-heading{padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:15px}.table-heading h2{margin:0}.filters{display:flex;gap:10px;align-items:center}.filters input{width:190px}.filters select{width:190px}.filters .btn{margin:0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{background:#f6f8fb;color:var(--muted);font-size:10px;letter-spacing:.4px;text-transform:uppercase;white-space:nowrap;padding:15px 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}td{padding:19px 18px;border-bottom:1px solid #edf1f5}tbody tr:last-child td{border-bottom:0}.cell-sub{display:block;color:var(--muted);font-size:11px;letter-spacing:.5px;margin-top:3px}.number{font-variant-numeric:tabular-nums;white-space:nowrap}.score{font-weight:750;color:var(--blue)}.badge{font-size:10px;font-weight:650;padding:6px 9px;border-radius:20px;white-space:nowrap;display:inline-block}.green{background:#e7f4ed;color:#227456}.amber{background:#fff4dc;color:#8b601c}.gray{background:#edf1f5;color:#718096}.notice{padding:17px 22px;border-radius:10px;margin-bottom:25px;font-size:13px}.notice ul{margin:7px 0 0;padding-left:20px}.success{color:#205c47;background:#e6f3eb;border:1px solid #c8e4d4}.error{color:#9b3333;background:#fff0ed;border:1px solid #f0ccc5}.pagination{padding:20px;display:flex;align-items:center;justify-content:space-between;gap:15px;border-top:1px solid var(--line)}.pagination>div{display:flex;gap:10px}.grade-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:24px;align-items:start}.rubric{border-top:1px solid var(--line);margin-top:25px;padding-top:25px;color:var(--muted);font-size:12px}.rubric p{margin-bottom:15px}.rubric b{color:var(--ink)}.url-text{font-size:11px;color:var(--muted);overflow-wrap:anywhere;margin:12px 0}.weight{float:right;font-weight:400;color:var(--muted)}.grade-input{font-size:24px;font-weight:600;min-height:64px}.result-box{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#edf3fa;color:var(--navy);border-radius:10px;padding:22px;margin:24px 0;font-weight:650}.result-box small{display:block;font-size:10px;font-weight:400;color:var(--muted);margin-top:5px}.result-box output,.result-box strong{font-size:36px;letter-spacing:-1px;font-variant-numeric:tabular-nums}.info-banner{padding:22px 26px;background:#e8eff8;border-left:4px solid var(--blue);border-radius:8px;margin-bottom:28px}.info-banner strong{display:block;margin-bottom:4px}.info-banner span{font-size:12px;color:var(--muted)}.student-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:48px;padding-top:20px;border-top:1px solid var(--line)}.student-scores{border-left:1px solid var(--line);padding-left:35px}.score-list>div{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #edf1f5;font-size:13px}.score-list small{color:var(--muted);font-size:10px;margin-left:9px}.feedback{font-size:12px;color:var(--muted);white-space:pre-wrap;overflow-wrap:anywhere}.feedback b{color:var(--ink)}.spaced{margin-top:18px}.narrow{max-width:600px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.login-grid{display:grid;grid-template-columns:1fr 1fr;max-width:1040px;margin:12px auto 26px;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:0 12px 35px #152e4d08}.login-story{padding:55px 48px;background:var(--navy);color:#fff;position:relative;overflow:hidden}.login-story:after{content:"";width:290px;height:290px;border:55px solid #ffffff04;border-radius:50%;position:absolute;right:-150px;top:-80px;pointer-events:none}.eyebrow.light{color:#abc0d9}.login-story h1{font-size:47px;line-height:1.15;margin:24px 0;letter-spacing:-1.5px}.login-story>p{font-size:13px;color:#aabed6;max-width:300px;line-height:1.9}.chapter-list{margin-top:35px;display:grid;grid-template-columns:1fr 1fr;gap:20px 12px}.chapter-list span{font-size:11px;color:var(--accent)}.chapter-list b{display:block;font-size:11px;color:#d5dfeb;line-height:1.4;font-weight:500;margin-top:4px}.formula-light{margin-top:40px;border-top:1px solid #ffffff1a;padding-top:20px;font-size:12px;color:#ced8e6}.formula-light span{padding:0 10px;color:var(--accent)}.login-form.card{border:0;border-radius:0;box-shadow:none;margin:0;padding:55px 48px}.login-form h2{font-size:28px}.login-form>.muted{font-size:13px}.login-form form{margin-top:32px}.login-form .wide{margin-top:28px;justify-content:space-between}.password-wrap{position:relative}.password-wrap input{padding-right:65px}.reveal{position:absolute;right:8px;top:8px;background:none;border:0;color:var(--muted);font-size:11px;padding:7px}.login-help{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.login-help strong{color:var(--ink);font-size:12px}.login-help p{margin:7px 0}.login-help code{font-size:10px}
@media(max-width:1100px){.class-grid{grid-template-columns:1fr 1fr}.form-grid.four{grid-template-columns:1fr 1fr}.table-heading{align-items:flex-start;flex-direction:column}.login-story,.login-form.card{padding:42px 34px}.login-story h1{font-size:40px}.nav-inner nav{gap:15px}}@media(max-width:760px){.container{padding:28px 18px}.nav-inner{padding:15px 18px;gap:15px;flex-wrap:wrap}.nav-inner nav{width:100%;justify-content:space-between;gap:10px;flex-wrap:wrap}.identity{border:0;padding:0;max-width:180px;overflow-wrap:anywhere}.stats{grid-template-columns:1fr 1fr;gap:12px}.stat{padding:18px}.stat strong{font-size:28px}.page-head{align-items:flex-start;flex-direction:column;gap:18px}h1{font-size:28px}.card{padding:22px}.class-grid,.two-col,.grade-layout,.student-layout{grid-template-columns:1fr;gap:0}.class-card{margin-bottom:18px}.table-card{padding:0}.table-heading{padding:22px 18px}.filters{flex-wrap:wrap;width:100%}.filters input{flex:1;min-width:120px}.filters select{flex:1;min-width:150px}.student-scores{border-left:0;padding-left:0;padding-top:25px;margin-top:25px;border-top:1px solid var(--line)}.section-heading{align-items:flex-start;flex-wrap:wrap}.form-bottom{align-items:flex-start;flex-direction:column}.footer{padding:20px;font-size:10px}.login-grid{grid-template-columns:1fr;margin:0}.login-story{padding:26px}.login-story h1{font-size:29px;margin:16px 0}.login-story h1 br{display:none}.login-story h1 br:after{content:" "}.login-story>p{margin:0;max-width:100%;font-size:12px}.chapter-list,.formula-light{display:none}.login-form.card{padding:30px 26px}.login-form form{margin-top:20px}.pagination{flex-wrap:wrap}.result-box{padding:18px}.nav-caption{font-size:9px}.form-grid.two{gap:14px}.student-card .badge{margin-bottom:10px}}
@media print{.topbar,.footer,.filters,form,.back,.btn,details{display:none!important}.container{padding:0;max-width:none}.card{box-shadow:none;break-inside:avoid}.table-wrap{overflow:visible}table{font-size:10px}th,td{padding:9px}.stats{gap:8px}.page-head{margin-bottom:15px}body{background:#fff}}

.warning{background:#fff4dc;border:1px solid #efd9ad;color:#805b20}.red{background:#fdecea;color:#9c3434}.avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid #e0e8f1}.avatar-nav{width:34px;height:34px}.avatar-large{width:112px;height:112px}.avatar-placeholder{display:inline-flex;align-items:center;justify-content:center;background:#e8eff8;color:var(--navy);font-size:28px;font-weight:700}.profile-head{display:flex;align-items:center;gap:22px;margin-bottom:24px}.profile-head h2{margin-bottom:8px}.profile-head p{margin:0}.compact{margin-bottom:24px}.agent-text{font-size:11px;min-width:190px;max-width:280px;overflow-wrap:anywhere}.log-filters{display:grid;grid-template-columns:1.6fr 1.2fr 1fr 1fr 1fr;gap:14px}.filter-actions{display:flex;align-items:center;gap:16px;grid-column:1/-1;margin-top:8px}.nav-inner nav{gap:16px;flex-wrap:wrap}.nav-inner{flex-wrap:wrap}@media(max-width:1000px){.log-filters{grid-template-columns:1fr 1fr}}@media(max-width:600px){.log-filters{grid-template-columns:1fr}.profile-head{align-items:flex-start}.avatar-large{width:85px;height:85px}}