:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#203844;background:#f4f6f7;font-synthesis:none;--teal:#087f72;--line:#dce4e7;--muted:#657984}
*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}a{color:var(--teal)}.topbar{background:#172e39;color:#fff;min-height:84px;padding:20px 5%;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{color:#fff;text-decoration:none;font-weight:750;font-size:22px;display:flex;align-items:center;gap:12px}.brand-icon{display:grid;place-items:center;width:38px;height:40px;border-radius:10px;background:#45c4ab;color:#172e39}.brand-sub{font-size:9px;letter-spacing:1.5px;color:#aac0c9;margin-left:22px}#account{display:flex;align-items:center;gap:14px;font-size:13px}.topbar button{background:transparent;border:1px solid #657984;color:#fff;padding:8px 12px;border-radius:6px}main{max-width:1240px;margin:0 auto;padding:40px 28px 60px}h1{font-size:32px;letter-spacing:-1px;margin:0 0 8px}h2{font-size:20px;margin:0 0 20px}h3{font-size:15px}p{line-height:1.6}.muted,.subtitle{color:var(--muted)}.subtitle{margin:0 0 28px}.eyebrow{text-transform:uppercase;letter-spacing:1.7px;font-size:11px;font-weight:750;color:var(--teal);margin-bottom:10px}.nav{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:28px 0;padding-bottom:12px;overflow:auto}.nav button{border:0;background:transparent;border-radius:7px;padding:12px 18px;color:var(--muted);white-space:nowrap}.nav button.active{background:#e0efeb;color:#06695e;font-weight:700}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px;box-shadow:0 3px 8px #20384403;margin-bottom:20px}.layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(270px,1fr);gap:24px;align-items:start}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.card-head h2{margin:0}.pill{display:inline-block;border-radius:20px;font-size:11px;font-weight:650;padding:6px 10px;background:#e8f4ef;color:#08705c}.pill.gray{background:#edf1f3;color:#637882}.primary,.secondary,.grade-button{border:0;border-radius:7px;padding:13px 20px;font-weight:650;min-height:46px}.primary{background:var(--teal);color:#fff}.primary:hover{background:#066b61}.secondary{background:#edf2f3;color:#284954}.danger{color:#a92d36}.full{width:100%}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:20px}.camera{position:relative;background:#172e39;border-radius:9px;min-height:250px;overflow:hidden;display:grid;place-items:center;text-align:center;color:#c4d3d9;margin-bottom:18px}.camera video{width:100%;max-height:330px;object-fit:cover;display:block}.camera-placeholder{padding:30px}.scan-icon{width:74px;height:58px;border:3px solid #69c3b1;border-radius:8px;margin:0 auto 18px;display:grid;place-items:center;font-size:30px;color:#69c3b1}.camera-hint{font-size:12px}.scan-frame{position:absolute;inset:25% 12%;border:2px solid #62dcc2;border-radius:10px;pointer-events:none}.divider{display:flex;align-items:center;gap:12px;color:#81919a;font-size:11px;margin:24px 0 18px}.divider:before,.divider:after{content:"";height:1px;background:var(--line);flex:1}.inline{display:flex;gap:10px;align-items:end}.inline>label{flex:1}.inline button{flex-shrink:0}label{display:block;font-size:13px;font-weight:600;margin-bottom:16px}input,select,textarea{display:block;width:100%;background:#fff;border:1px solid #cdd8dd;border-radius:6px;padding:12px;color:#203844;margin-top:7px;min-height:45px}textarea{min-height:100px;resize:vertical}input:focus,select:focus,textarea:focus{outline:3px solid #bde4da;border-color:var(--teal)}.step{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid #edf1f3}.step:last-child{border-bottom:0}.step-number{background:#e5f2ee;color:var(--teal);border-radius:50%;height:28px;min-width:28px;display:grid;place-items:center;font-size:12px;font-weight:700}.step strong{font-size:13px}.step p{font-size:12px;color:var(--muted);margin:5px 0 0}.tip{background:#edf4f7;padding:16px;border-radius:7px;font-size:12px;line-height:1.7;color:#526d7b;margin-top:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}.stat{padding:20px;background:#fff;border:1px solid var(--line);border-radius:10px}.stat b{display:block;font-size:29px;margin-top:8px}.stat span{font-size:12px;color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px}th{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;background:#f7f9fa}td,th{padding:15px 12px;border-bottom:1px solid #e8edef}td button{padding:6px 10px!important;min-height:32px!important}.empty{text-align:center;padding:35px 15px;color:var(--muted)}.progress{height:5px;background:#e9eef0;border-radius:4px;margin-top:7px;overflow:hidden}.progress span{height:100%;background:var(--teal);display:block}.question-text,.answer-text{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65}.answer{background:#eaf5ef;border-left:3px solid #38a489;border-radius:6px;padding:18px;margin:22px 0}.answer h3{color:#086e57;margin:0 0 10px}.grade-options{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:15px 0}.grade-button{background:#f1f5f6;color:#31505c;border:2px solid transparent}.grade-button.selected{border-color:var(--teal);background:#e1f3ec}.grade-button[data-grade=fail]{color:#b34045}.question-editor{background:#f7f9fa;border:1px solid var(--line);border-radius:8px;padding:20px;margin:16px 0}.auth{max-width:470px;margin:30px auto}.auth h1{font-size:26px}.series-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;border-bottom:1px solid var(--line)}.series-item h3{margin:0 0 6px}.series-item p{margin:0;font-size:12px;color:var(--muted)}#notice{position:sticky;top:0;z-index:10;background:#e1f4e9;color:#155e3b;padding:15px 5%;border-bottom:1px solid #b6dfc6}#notice.error{background:#fff0ee;color:#97312f;border-color:#f1c4c0}footer{max-width:1184px;border-top:1px solid var(--line);margin:auto;padding:22px 0;color:#718590;font-size:12px;display:flex;justify-content:space-between}.auth-note{font-size:12px;color:var(--muted)}.history{margin-top:24px}.history summary{cursor:pointer;font-weight:650;font-size:14px}.result{font-weight:700;text-transform:uppercase}.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:20px}.toolbar input{margin:0;flex:1}.toolbar select{margin:0;max-width:240px}.small{font-size:12px}.complete{text-align:center;padding:20px}.complete .scan-icon{border-color:#1c9a76;color:#1c9a76}.detail-grades{display:grid;gap:12px}.detail-grade{border-bottom:1px solid var(--line);padding:12px 0}.detail-grade p{margin:6px 0}.account-name{color:#c4d3d9}
.pill.warn{background:#fff3dc;color:#8a5a00}.check{display:flex;gap:12px;align-items:flex-start;font-weight:600}.check input{width:22px;height:22px;min-height:0;margin:2px 0 0;flex-shrink:0}.detail-form{background:#f7f9fa;border:1px solid var(--line);border-radius:8px;padding:16px;margin-top:12px;max-width:520px}.complete .actions{justify-content:center}
fieldset{border:0;padding:0;margin:0;min-width:0}[hidden]{display:none!important}hr{border:0;border-top:1px solid var(--line);margin:24px 0}
@media(max-width:760px){.topbar{padding:16px 20px}.brand{font-size:18px}.brand-sub{display:none}#account{gap:8px}.account-name{display:none}main{padding:26px 16px 36px}h1{font-size:27px}.layout{grid-template-columns:1fr}.card{padding:20px}.stats{gap:8px;grid-template-columns:repeat(2,1fr)}.stat{padding:14px}.stat b{font-size:24px}.nav{margin:22px 0}.nav button{padding:10px 12px}.toolbar{flex-wrap:wrap}.toolbar input{flex-basis:100%}.toolbar select{max-width:none;flex:1}.inline{flex-wrap:wrap}.inline>label{flex-basis:100%;margin:0}.inline button{width:100%}.camera{min-height:220px}footer{margin:0 20px;padding:20px 0}footer span{display:none}.card-head{align-items:flex-start}.auth{margin:10px auto}}
.exam-block{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-top:14px;background:#fbfcfc}.exam-block h3{margin:2px 0}.exam-block .card-head{margin-bottom:6px}
.topbar{padding-top:max(20px,env(safe-area-inset-top));padding-left:max(5%,env(safe-area-inset-left));padding-right:max(5%,env(safe-area-inset-right))}footer{padding-bottom:max(20px,env(safe-area-inset-bottom))}
.pick-list{display:grid;gap:8px;margin:0 0 16px}.pick{display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;min-height:48px}.pick:hover,.pick:focus{border-color:var(--teal)}
.dummy-sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin-top:16px}.dummy-card{background:#fff;border:1px dashed #9aa9b0;border-radius:10px;padding:14px;text-align:center;display:grid;gap:8px;break-inside:avoid}.dummy-card .barcode{width:100%;height:70px;fill:#000}.dummy-card strong{font-size:1.15rem;letter-spacing:.08em}
@media print{.topbar,.nav,footer,#notice,.no-print,h1,.subtitle,.eyebrow{display:none!important}body,main{background:#fff;margin:0;padding:0}.dummy-sheet{grid-template-columns:repeat(3,1fr);gap:6mm;margin:0}.dummy-card{border-color:#000}}