@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');
:root{--navy:#123a5a;--blue:#1673b9;--ink:#172b3b;--muted:#71808d;--line:#e2e9ef;--bg:#f5f8fb;--green:#17845a}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;font-size:15px}.top{height:72px;background:white;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(calc((100vw - 1080px)/2),22px)}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);text-decoration:none;font-weight:700}.brand small{display:block;font-weight:400;color:var(--muted);font-size:12px;margin-top:2px}.logo{width:38px;height:38px;display:block;flex-shrink:0;border-radius:11px}.local,.muted,.hint,small,.optional{color:var(--muted)}.local{font-size:13px}.wrap{max-width:1080px;margin:36px auto;padding:0 22px;min-height:calc(100vh - 150px)}h1,h2{font-family:Manrope,'DM Sans',sans-serif;color:var(--navy);margin:0}h1{font-size:32px;letter-spacing:-.8px}h2{font-size:20px}p{line-height:1.55}.hero{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:18px 0 30px}.hero p{margin:8px 0 0;color:var(--muted)}.hero.compact{margin:14px 0 36px}.eyebrow{font-size:11px;letter-spacing:1.3px;font-weight:700;color:#70889a;margin-bottom:8px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 17px;border-radius:9px;border:1px solid transparent;font:600 14px 'DM Sans',sans-serif;text-decoration:none;cursor:pointer;white-space:nowrap}.primary{background:var(--blue);color:white;box-shadow:0 3px 8px #1673b926}.primary:hover{background:#105f9c}.secondary{background:white;color:var(--navy);border-color:var(--line)}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px}.card{background:white;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 2px 8px #183a5008}.exam-card{display:grid;grid-template-columns:42px 1fr auto;gap:12px;text-decoration:none;color:inherit}.card-icon{background:#eaf4fb;color:var(--blue);width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:22px}.card h2{font-size:17px;margin:1px 0 5px}.card p{margin:0;color:var(--muted);font-size:13px}.badge{height:26px;background:#eef7f3;color:var(--green);border-radius:20px;padding:5px 9px;font-size:12px}.card-foot{grid-column:2/4;border-top:1px solid #edf1f4;padding-top:12px;color:var(--muted);font-size:12px}.card-foot span{float:right;font-size:20px;line-height:12px;color:var(--blue)}.empty,.form-card{background:white;border:1px solid var(--line);border-radius:15px;padding:30px;box-shadow:0 4px 18px #183a5008}.empty{text-align:center;padding:60px 20px}.empty-icon{font-size:34px;color:#8bb5d3;margin-bottom:14px}.empty h2{font-size:21px}.empty p{color:var(--muted);margin:8px auto 20px}.small-empty{padding:20px}.small-empty p{margin:0}.form-card{max-width:900px;margin:18px auto 26px}.form-card h1{font-size:28px}.form-card>.muted{margin:7px 0 25px}.stack{display:flex;flex-direction:column;gap:18px}label{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600}input,select{width:100%;height:43px;border:1px solid #d6e0e8;border-radius:8px;padding:0 11px;background:white;color:var(--ink);font:400 14px 'DM Sans',sans-serif}input:focus,select:focus{outline:3px solid #dceefa;border-color:#75b5dc}input[type=file]{height:auto;padding:10px}small{font-size:12px;font-weight:400}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:12px}.back{display:inline-block;color:var(--blue);text-decoration:none;font-size:13px;margin-bottom:8px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:34px 0 14px}.answer-grid{display:grid;grid-template-columns:repeat(5,minmax(90px,1fr));gap:10px;margin:16px 0}.answer-item{display:flex;align-items:center;justify-content:space-between;flex-direction:row;background:#f7f9fb;padding:8px 9px;border-radius:8px;gap:5px}.answer-item span{font-size:12px;white-space:nowrap}.answer-item select{width:58px;height:36px;padding:0 7px}.key-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px}.key-list details{background:white;border:1px solid var(--line);border-radius:10px;padding:13px}.key-list summary{cursor:pointer;display:flex;justify-content:space-between}.key-list summary span{font-size:12px;color:var(--muted)}.key-answers{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.key-answers span{background:#f1f6f9;border-radius:5px;padding:5px 7px;font-size:12px}.key-answers b{color:var(--muted);margin-right:5px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:white}table{border-collapse:collapse;width:100%;min-width:550px;text-align:left}th,td{padding:13px 15px;border-bottom:1px solid #edf1f4;font-size:13px}th{color:var(--muted);font-weight:600;background:#fafcfd}td a{color:var(--blue)}.notice{padding:12px 15px;margin-bottom:12px;border-radius:9px;font-size:14px}.notice.success{background:#e9f7f0;color:#176243}.notice.error{background:#fff0ed;color:#9b3023}.notices{margin-bottom:16px}.optional,.hint{font-weight:400;font-size:12px}.preview{max-width:100%;max-height:360px;object-fit:contain;object-position:left;border:1px solid var(--line);border-radius:9px}.student-grid{grid-template-columns:repeat(4,minmax(90px,1fr))}footer{text-align:center;color:#8794a0;padding:20px;font-size:12px}
@media(max-width:650px){.top{height:62px;padding:0 16px}.local{font-size:11px}.wrap{margin:24px auto;padding:0 15px}.hero{align-items:flex-start;flex-direction:column}.hero h1{font-size:27px}.hero .btn{width:100%}.form-card{padding:21px 16px}.grid2{grid-template-columns:1fr}.answer-grid{grid-template-columns:repeat(2,minmax(100px,1fr));gap:8px}.student-grid{grid-template-columns:repeat(2,minmax(100px,1fr))}.section-head{align-items:flex-end;gap:10px}.actions{flex-direction:column-reverse}.actions .btn{width:100%}.cards{grid-template-columns:1fr}}
.scan-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.read-status{font-size:13px;color:var(--muted)}.read-status.ok-text{color:var(--green)}.read-status.warn-text{color:#a66510}.read-status.error-text{color:#a43528}button:disabled{opacity:.55;cursor:wait}
.tf-key-grid{grid-template-columns:repeat(4,minmax(135px,1fr))}.answer-item input.short-key{height:36px;width:100px;padding:0 8px}@media(max-width:650px){.tf-key-grid{grid-template-columns:repeat(2,minmax(110px,1fr))}}
.key-mc-grid{display:grid;grid-template-columns:repeat(4,minmax(180px,1fr));gap:10px;margin:16px 0 26px}.key-choice-row{display:flex;align-items:center;gap:7px;min-height:48px;padding:6px 9px;border:1px solid #d7e9e5;border-radius:10px;background:#f9fcfb}.key-choice-row>strong{min-width:20px;color:#173b39}.choice-pill{display:inline-flex;position:relative;cursor:pointer}.choice-pill input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.choice-pill span{display:grid;place-items:center;width:34px;height:34px;border:1px solid #9ac9c0;border-radius:50%;background:white;color:#16484a;font-size:13px;font-weight:700;transition:background .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease}.choice-pill input:checked+span{background:var(--green);border-color:var(--green);color:white;box-shadow:0 0 0 3px #17845a25}.choice-pill input:focus-visible+span{outline:3px solid #b8e2d5;outline-offset:2px}.key-tf-grid{display:grid;grid-template-columns:repeat(4,minmax(170px,1fr));gap:12px;margin:16px 0 26px}.key-tf-card{border:1px solid #d7e9e5;border-radius:11px;padding:10px 14px;background:#fff}.key-tf-card h4{margin:0 0 6px;color:var(--navy)}.key-tf-row{display:flex;align-items:center;gap:9px;min-height:40px;border-bottom:1px solid #edf2f0}.key-tf-row:last-child{border-bottom:0}.key-tf-row>strong{flex:1}.answer-item.needs-review{background:#fff0ef!important;border:1px solid #d92d20!important;color:#9e221a}.answer-item.needs-review span{color:#9e221a}.answer-item.needs-review input,.answer-item.needs-review select{border-color:#d92d20;background:#fffafa}.answer-item.needs-review:has(input[type=radio]:checked){background:#fff0ef!important}@media(max-width:850px){.key-mc-grid,.key-tf-grid{grid-template-columns:repeat(2,minmax(155px,1fr))}}@media(max-width:520px){.key-mc-grid,.key-tf-grid{grid-template-columns:1fr}.key-choice-row{justify-content:flex-start}.key-tf-card{padding:9px 12px}}
.score-title{margin:10px 0 -4px}.score-config{margin:0;padding:15px 18px 16px;border:1px solid #d6e8d0;border-radius:11px;background:#f7fbf4}.score-config legend{padding:0 8px;color:#20733c;font-size:17px;font-weight:700}.score-config small{display:block;margin-top:10px}.tf-score-config{display:grid;grid-template-columns:repeat(5,minmax(100px,1fr));gap:12px}.score-total{padding:12px 14px;border-radius:9px;background:#eef6e9;color:#245a31;font-weight:600;font-size:14px}@media(max-width:850px){.tf-score-config{grid-template-columns:repeat(3,minmax(100px,1fr))}}@media(max-width:560px){.tf-score-config{grid-template-columns:repeat(2,minmax(100px,1fr))}.score-config{padding:12px}}
.exam-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.exam-actions form{margin:0}.danger{background:#fff1f0;border-color:#f2c7c3;color:#a1261d}.danger:hover{background:#ffe3e0}@media(max-width:650px){.exam-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}.exam-actions .danger{width:100%}.exam-actions form{grid-column:1/-1}}
.exam-card{display:flex;flex-direction:column;gap:10px;color:inherit}.exam-card-link{display:grid;grid-template-columns:42px 1fr auto;gap:12px;text-decoration:none;color:inherit}.exam-card-link:hover h2{color:var(--blue)}.exam-card-actions{display:flex;justify-content:flex-end;gap:8px;border-top:1px solid #edf1f4;padding-top:10px}.exam-card-actions form{margin:0}.btn-small{min-height:34px;padding:0 13px;font-size:12px}
.key-card{background:white;border:1px solid var(--line);border-radius:10px;padding:13px}.key-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.key-card-head>div:first-child{display:grid;gap:4px}.key-card-head span{font-size:12px;color:var(--muted)}.key-actions{display:flex;align-items:center;gap:7px}.key-actions form{margin:0}.key-card details{margin-top:12px;border-top:1px solid #edf1f4;padding-top:9px}.key-card summary{cursor:pointer;color:var(--blue);font-size:13px}
.paper-actions{display:flex;align-items:center;gap:6px}.paper-actions form{margin:0}.paper-actions .btn{min-height:32px;padding:0 10px}
.auth-card{max-width:480px;margin:70px auto}.auth-card h1{margin-bottom:8px}.auth-link{text-align:center;color:var(--muted);margin:20px 0 0}.auth-link a{color:var(--blue);font-weight:700}.account-tools{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}.account-tools form{margin:0}.account-tools .btn{background:white}@media(max-width:760px){.top{height:auto;min-height:72px;gap:10px;padding-top:10px;padding-bottom:10px}.brand{font-size:13px}.brand small{font-size:10px}.account-tools{gap:6px;font-size:11px}.account-tools .btn{padding:0 8px;min-height:32px}}
.admin-link{color:var(--blue);font-weight:700;text-decoration:none;white-space:nowrap}.account-status{display:inline-block;padding:4px 9px;border-radius:15px;font-size:12px}.account-status.active{color:#176243;background:#e9f7f0}.account-status.pending{color:#8a5810;background:#fff5dc}

.sheet-groups{display:grid;gap:12px;margin:14px 0 26px}
.sheet-groups-mc{grid-template-columns:repeat(3,minmax(0,1fr))}
.sheet-groups-four{grid-template-columns:repeat(4,minmax(0,1fr))}
.sheet-panel{min-width:0;margin:0;padding:8px 10px 10px;border:1px solid #b8d5d1;border-radius:9px;background:#fbfdfd}
.sheet-panel legend{padding:0 6px;color:var(--navy);font-weight:700}
.sheet-row{display:grid;align-items:center;justify-items:center;min-height:42px;gap:2px}
.sheet-row-mc{grid-template-columns:minmax(22px,.65fr) repeat(4,minmax(0,1fr))}
.sheet-row-tf{grid-template-columns:repeat(3,minmax(0,1fr))}
.english-listening-grid{display:flex;overflow-x:auto}
.english-listening-column{display:grid;grid-template-rows:32px 42px 42px;place-items:center;flex:1 0 36px}
.english-listening-column:first-child{flex:0 0 70px;font-size:12px;color:var(--navy)}
.sheet-head{min-height:28px;color:var(--navy);font-size:12px;font-weight:700}
.sheet-panel .choice-pill span,.short-bubble{width:30px;height:30px}
.short-marks{margin-top:10px}
.short-slots{min-height:30px}
.short-slots [data-short-slot]{display:grid;place-items:center;width:100%;height:29px;border:1px solid #b8d5d1;background:white;font-weight:700}
.short-bubble{border:1px solid #83bdb3;border-radius:50%;background:white;cursor:pointer;position:relative}
.short-bubble::before{content:"";position:absolute;inset:-5px}
.short-bubble[aria-pressed="true"]{background:var(--green);border-color:var(--green)}
.short-bubble:focus-visible{outline:3px solid #85bde5;outline-offset:2px}
.short-status{display:block;color:#9b3023;margin-top:6px}
.short-status:empty{display:none}
#answer-review .review-field{border-radius:8px}
#answer-review .review-uncertain,#english-answer-review .review-uncertain{outline:2px solid #d92d20;outline-offset:-2px;background:#fff0ef;border-radius:8px}
.review-clear{display:grid;place-items:center;min-width:24px;min-height:30px;padding:0;border:0;border-radius:5px;background:transparent;color:var(--blue);font:inherit;font-weight:700;cursor:pointer}
.review-clear:hover,.review-clear:focus-visible{background:#eaf4fb}
.graded-sheet{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:8px}
.mark-correct{color:#087b32}
.mark-incorrect{color:#bc231a}
.mark-key{color:#085cc0}
.paper-legend{display:flex;flex-wrap:wrap;gap:8px 24px;padding-left:20px;font-weight:600}
@media(max-width:840px){.sheet-groups-four{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.sheet-groups-mc{grid-template-columns:1fr}}
@media(max-width:450px){.sheet-groups-four{grid-template-columns:1fr}}

.school-year-form{display:flex;flex-wrap:wrap;align-items:end;gap:10px;margin-bottom:18px}.school-year-form label{min-width:min(100%,230px)}
.school-year-delete{text-align:right;width:1%;white-space:nowrap}
@media(max-width:760px){.top{flex-wrap:wrap}.account-tools{flex-wrap:wrap}}

.account-name{color:#a61f1f;background:#fff0f0;border-radius:8px;padding:4px 8px;font-weight:700;overflow-wrap:anywhere}

.grading-results .result-score,
.grading-results .result-view{white-space:nowrap}
@media(max-width:650px){
  .grading-results table{display:block;width:100%;min-width:0}
  .grading-results thead,.grading-results tbody{display:block}
  .grading-results tr{
    display:grid;
    grid-template-columns:clamp(32px,calc(100vw - 280px),88px) 52px 40px 92px 64px 65px 120px 118px;
  }
  .grading-results th,.grading-results td{display:flex;align-items:center;padding:9px 4px;font-size:12px}
  .grading-results .result-room{overflow-wrap:anywhere}
}
@media(min-width:651px){.sheet-template-cards{grid-template-columns:repeat(auto-fill,minmax(360px,1fr))}}