.assessment-migration-shell{min-height:100vh;padding:40px 20px;background:#eaf2f8;color:#315a72;font-family:"PingFang SC","Microsoft YaHei",sans-serif}.assessment-migration-card{max-width:860px;margin:0 auto;padding:42px;background:#fff;border-radius:18px;box-shadow:0 16px 40px rgba(49,90,114,.12)}.assessment-migration-card h1{margin:8px 0 10px;color:#084d6b}.assessment-migration-muted{color:#6f8998}.assessment-school-home-link{display:inline-flex;align-items:center;justify-content:center;min-height:38px;margin:8px 0 12px;padding:0 14px;border:1px solid #7ba3c7;border-radius:8px;color:#315a72;background:#fff;text-decoration:none;font-size:14px}.assessment-migration-fields{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0;padding:18px;background:#f2f7fa}.assessment-migration-card label{display:grid;gap:7px;color:#557789;font-size:13px}.assessment-migration-card input{box-sizing:border-box;width:100%;padding:10px 12px;border:1px solid #c7d8e1;border-radius:8px;background:#fff;color:#315a72}.assessment-migration-question{padding:18px 0;border-bottom:1px solid #e2edf2}.assessment-migration-question>b{display:inline-grid;place-items:center;width:26px;height:26px;margin-right:10px;border-radius:50%;background:#7ba3c7;color:#fff;font-size:12px}.assessment-migration-options{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0 36px}.assessment-migration-options label{display:block;padding:6px 12px;border:1px solid #c7d8e1;border-radius:18px;cursor:pointer}.assessment-migration-options input{width:auto;margin-right:5px}.assessment-migration-card>.primary,.assessment-migration-card>.outline{margin-top:26px}.assessment-migration-error{color:#a34b40}.assessment-migration-code{margin:22px 0;padding:18px;border:1px dashed #7ba3c7;background:#f2f7fa;text-align:center;font:700 24px/1.2 Consolas,monospace;letter-spacing:2px}.assessment-migration-records{display:grid;gap:10px;margin-top:24px}.assessment-migration-records article{display:grid;grid-template-columns:1fr 1fr auto;gap:16px;padding:16px;border:1px solid #dce8ee;background:#fafcfd}.assessment-migration-modal{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:20px;background:rgba(20,49,62,.38)}.assessment-migration-modal-card{position:relative;width:min(620px,100%);padding:34px;background:#fff;border-radius:16px;box-shadow:0 20px 70px rgba(0,0,0,.18);color:#315a72}.assessment-migration-close{position:absolute;right:16px;top:12px;border:0;background:none;color:#315a72;font-size:28px;cursor:pointer}.assessment-migration-modal-card h2{margin:6px 0 10px;color:#084d6b}.assessment-migration-modal-card label{display:grid;gap:8px;margin-top:18px}.assessment-migration-modal-card label button{justify-self:start}.assessment-migration-check{display:flex!important;grid-template-columns:auto 1fr;align-items:center}.assessment-migration-check input{width:auto}.assessment-migration-modal-card input{font-size:12px}
@media(max-width:640px){.assessment-migration-fields{grid-template-columns:1fr}.assessment-migration-card{padding:24px 16px}.assessment-migration-options{margin-left:0}.assessment-migration-records article{grid-template-columns:1fr}.assessment-migration-modal-card{padding:28px 18px}}
.assessment-migration-report-overlay{position:fixed;inset:0;z-index:10001;overflow:auto;padding:20px;background:rgba(20,49,62,.48)}
.assessment-migration-report-card{position:relative;width:min(1120px,100%);min-height:calc(100vh - 40px);margin:0 auto;background:#f4f8fa;border-radius:16px;box-shadow:0 20px 70px rgba(0,0,0,.22);overflow:hidden}
.assessment-migration-report-card>.assessment-migration-close{z-index:2;color:#315a72;background:rgba(255,255,255,.86);border-radius:50%}
.assessment-migration-report-card .teacher-shell{min-height:calc(100vh - 40px)}
.assessment-migration-modal-behind-report{visibility:hidden}
.assessment-migration-record-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px;white-space:nowrap}
.assessment-migration-records article{cursor:pointer}
.assessment-migration-records article small{display:block;margin-top:5px;color:#7893a2;font-size:12px}
.assessment-migration-question-image-wrap{width:min(100%,360px);height:220px;margin:14px 0 4px 36px;overflow:hidden;border-radius:10px;border:1px solid #dce8ee;background:#f7fafb;display:grid;place-items:center}
.assessment-migration-question-image{display:block;width:100%;height:100%;object-fit:contain;border:0;background:transparent;transform-origin:center}
.assessment-teacher-lookup{display:flex;gap:10px;margin:20px 0}.assessment-teacher-lookup input{max-width:360px}
.assessment-migration-link-actions{display:flex;gap:8px;flex-wrap:wrap}
.assessment-migration-question-images{margin-top:20px;padding:14px;background:#f5f9fb;border:1px solid #dce8ee;border-radius:10px}
.assessment-migration-question-images summary{cursor:pointer;color:#315a72;font-weight:600}
.assessment-migration-image-row{display:grid;grid-template-columns:110px 1fr;gap:10px;align-items:center;margin-top:10px}
.assessment-migration-image-row label{display:flex!important;align-items:center;gap:6px;margin:0!important}
.assessment-migration-image-row label input{width:auto}
.assessment-report-back{margin-top:24px}
.assessment-report-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.assessment-report-mount{scroll-margin-top:24px}
#assessment-report-mount .legacy-score-circle{display:none}
#assessment-report-mount .assessment-report-bars{margin:12px 0}
#assessment-report-mount .assessment-report-bars>div{display:grid;grid-template-columns:76px 1fr 22px;gap:6px;align-items:center;margin:7px 0;font-size:11px}
#assessment-report-mount .assessment-report-bars i{height:7px;background:#e3eef7;border-radius:4px;overflow:hidden}
#assessment-report-mount .assessment-report-bars em{display:block;height:100%;background:#7ba3c7;border-radius:4px}
#assessment-report-mount .assessment-report-bars b{font-size:11px;color:#315a72}
.assessment-report{margin-top:18px;padding:28px;background:#eaf2f8;color:#315a72;border-radius:14px}
.assessment-report header{text-align:center;padding:18px 12px 24px;background:#fff;border-radius:10px}.assessment-report header h1{margin:12px 0 4px;color:#084d6b}.assessment-report header p{margin:0;color:#7893a2}.assessment-report-badge,.assessment-report-slogan{display:inline-block;padding:7px 12px;background:#7ba3c7;color:#fff;border-radius:5px;font-size:13px}.assessment-report-slogan{margin-top:16px;background:#dcebf4;color:#315a72}
.assessment-report-info{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0;padding:14px;background:#fff;border-radius:10px;font-size:13px}.assessment-report-summary{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center;padding:22px;background:#fff;border-radius:10px}.assessment-report-score{text-align:center}.assessment-report-score strong{display:block;color:#315a72;font-size:50px;line-height:1}.assessment-report-score small{color:#7893a2}.assessment-report-summary b{color:#084d6b}.assessment-report-summary p{line-height:1.8;margin-bottom:0}.assessment-report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.assessment-report-grid article{padding:18px;background:#fff;border-radius:10px}.assessment-report-grid h3{margin:0 0 4px;color:#084d6b}.assessment-report-grid small{color:#7893a2}.assessment-report-bars{margin:14px 0}.assessment-report-bars>div{display:grid;grid-template-columns:88px 1fr 24px;gap:8px;align-items:center;margin:8px 0;font-size:12px}.assessment-report-bars i{height:8px;background:#e3eef7;border-radius:4px;overflow:hidden}.assessment-report-bars em{display:block;height:100%;background:#7ba3c7;border-radius:4px}.assessment-report-bars b{font-size:12px;color:#315a72}.assessment-report-grid article>p{margin:0;color:#6f8998;font-size:12px;line-height:1.7}.assessment-report footer{text-align:center;color:#7893a2;font-size:12px;line-height:1.8;padding:20px 0 4px}
@media(max-width:640px){.assessment-report-info{grid-template-columns:repeat(2,1fr)}.assessment-report-summary{grid-template-columns:1fr}.assessment-report-grid{grid-template-columns:1fr}.assessment-report-bars>div{grid-template-columns:76px 1fr 22px}.assessment-migration-question-image-wrap{margin-left:0}.assessment-migration-image-row{grid-template-columns:1fr}.assessment-teacher-lookup{flex-direction:column}.assessment-teacher-lookup input{max-width:none}}

/* The admin panel must expose all 24 fixed assets without changing them. */
.assessment-migration-modal-card{width:min(1040px,calc(100vw - 32px));max-height:min(92vh,980px);overflow-y:auto;overscroll-behavior:contain}
.assessment-migration-question-images{max-height:62vh;overflow-y:auto;padding-right:4px}
.assessment-migration-image-row{grid-template-columns:78px minmax(0,1fr) 160px;min-height:84px;align-items:start;padding:8px 0}
.assessment-migration-image-toggle{display:flex!important;align-items:center!important;gap:6px;white-space:nowrap}
.assessment-migration-image-toggle input{width:auto!important}
.assessment-migration-image-copy{min-width:0;display:grid;gap:3px}
.assessment-migration-image-copy strong{color:#315a72;font-size:13px;line-height:1.45;font-weight:600}
.assessment-migration-image-preview{width:152px;height:86px;object-fit:contain;border:1px solid #d8e5ed;border-radius:6px;background:#f7fafc}
.assessment-migration-image-empty{display:grid;place-items:center;width:152px;height:86px;border:1px dashed #c9daef;border-radius:6px;color:#8aa7bb;font-size:11px;text-align:center}
.question-image-wrap img{left:50%;top:50%;max-width:none;max-height:none;transform:translate(-50%,-50%)}
@media(max-width:640px){.assessment-migration-modal-card{width:calc(100vw - 20px);padding:24px 16px}.assessment-migration-image-row{grid-template-columns:64px minmax(0,1fr);gap:8px}.assessment-migration-image-preview,.assessment-migration-image-empty{grid-column:2;width:132px;height:74px}.assessment-migration-image-copy strong{font-size:12px;line-height:1.65}}

/* Legacy assessment report graphics: preserve the standalone tool's visual language. */
.legacy-report-shell{background:#eaf2f8;padding:24px;color:#315a72}.legacy-report{max-width:980px;margin:0 auto;background:#fff;padding:28px;border-radius:14px;box-sizing:border-box}.legacy-report-header{text-align:center;padding:12px 12px 20px;border-bottom:1px solid #dcebf4}.legacy-report-header h1{margin:12px 0 4px;color:#084d6b}.legacy-report-header h2{margin:0;color:#7893a2;font-size:15px;font-weight:400}.legacy-badge{display:inline-block;padding:7px 12px;background:#7ba3c7;color:#fff;border-radius:5px;font-size:13px}.legacy-slogan{margin-top:12px;color:#7893a2}.legacy-info-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:14px 0;padding:13px;background:#f2f7fa;font-size:13px}.legacy-info-bar span{color:#084d6b;font-weight:600}.legacy-summary{margin-top:14px}.legacy-summary-title{font-size:20px;font-weight:700;color:#084d6b;margin-bottom:8px}.legacy-summary-box{padding:16px 18px;background:#f5f9fc;border-left:4px solid #7ba3c7;line-height:1.8}.legacy-title-tag{display:inline-block;color:#084d6b;font-weight:700}.legacy-report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.legacy-dimension-card{padding:16px;background:#fff;border:1px solid #dcebf4;border-radius:10px;box-shadow:0 3px 10px rgba(49,90,114,.05)}.legacy-card-title{font-size:17px;font-weight:700;color:#084d6b;margin-bottom:8px}.legacy-chart-wrap{height:170px;display:flex;align-items:center;justify-content:center}.legacy-graphic{width:100%;height:100%;position:relative;box-sizing:border-box}.bar-graphic{display:flex;align-items:flex-end;justify-content:space-around;gap:8px;padding:12px 12px 20px;border-bottom:1px solid #c9daef}.bar-graphic>div{height:100%;flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px}.bar-graphic i{display:block;width:70%;min-height:2px;background:#7ba3c7;border-radius:5px 5px 0 0}.bar-graphic span{font-size:10px;color:#6e97bc;white-space:nowrap;transform:scale(.9)}.hbar-graphic{display:grid;align-content:center;gap:10px;padding:14px 6px}.legacy-graphic-row{display:grid;grid-template-columns:70px 1fr;gap:8px;align-items:center;font-size:10px;color:#6e97bc}.legacy-graphic-row i{height:10px;background:#e3eef7;border-radius:6px;overflow:hidden}.legacy-graphic-row em{display:block;height:100%;background:#6e97bc;border-radius:6px}.radar-graphic svg{width:100%;height:100%}.radar-label{position:absolute;font-size:9px;color:#6e97bc;white-space:nowrap}.radar-label-0{top:0;left:50%;transform:translateX(-50%)}.radar-label-1{top:50%;right:0;transform:translateY(-50%)}.radar-label-2{bottom:0;left:50%;transform:translateX(-50%)}.radar-label-3{top:50%;left:0;transform:translateY(-50%)}.legacy-pyramid-wrap{width:92%;display:flex;flex-direction:column;align-items:center;gap:4px}.legacy-pyramid-level{height:28px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;border-radius:3px}.legacy-card-tip{margin-top:8px;color:#6f8998;font-size:11px;line-height:1.6}.legacy-report-footer{text-align:center;color:#7893a2;font-size:12px;line-height:1.8;padding:22px 0 4px}.assessment-migration-records article strong{display:none}
@media(max-width:640px){.legacy-report-shell{padding:10px}.legacy-report{padding:16px}.legacy-info-bar{grid-template-columns:repeat(2,1fr)}.legacy-report-grid{grid-template-columns:1fr}.legacy-chart-wrap{height:160px}}

/* Exact legacy report skin used by the standalone assessment tool. */
#assessment-report-mount .legacy-report-shell{width:min(800px,calc(100vw - 32px));max-width:800px;margin:22px auto;background:#eaf2f8;color:#4a6b8c;font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif;line-height:1.65;overflow:hidden}
#assessment-report-mount .legacy-report{width:100%;overflow:hidden;background:#fff;border-radius:16px;box-shadow:0 8px 24px rgba(74,107,140,.12)}
#assessment-report-mount .legacy-report-header{padding:34px 32px;background:linear-gradient(135deg,#f1f6fa 0%,#d6e6f4 100%);border-bottom:1px solid #c9daef;text-align:center}
#assessment-report-mount .legacy-report-header h1{margin:0 0 8px;color:#4a6b8c;font-size:32px;line-height:1.3}#assessment-report-mount .legacy-report-header h2{margin:0 0 16px;color:#6e97bc;font-size:14px;font-weight:400}#assessment-report-mount .legacy-badge{display:inline-block;margin-bottom:12px;padding:4px 12px;border-radius:20px;background:#7ba3c7;color:#fff;font-size:13px}.legacy-slogan{display:inline-block;padding:7px 16px;border:1px solid #c9daef;border-radius:8px;background:#fff;color:#7ba3c7;font-size:14px}
#assessment-report-mount .legacy-info-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:22px;padding:14px 32px;background:#f1f6fa;border-bottom:1px solid #c9daef;font-size:14px}#assessment-report-mount .legacy-info-bar span{font-weight:600}
#assessment-report-mount .legacy-summary{padding:26px 32px;border-bottom:1px solid #c9daef}#assessment-report-mount .legacy-summary-title{margin-bottom:14px;font-size:18px;font-weight:700}#assessment-report-mount .legacy-summary-box{display:flex;align-items:center;gap:26px}#assessment-report-mount .legacy-summary-text{color:#5a6f82;font-size:14.5px;line-height:1.7}#assessment-report-mount .legacy-summary-text strong{color:#4a6b8c}#assessment-report-mount .legacy-title-tag{display:inline-block;margin-bottom:6px;padding:2px 10px;border:1px solid #c9daef;border-radius:12px;background:#f1f6fa;color:#7ba3c7;font-size:13px;font-weight:600}
#assessment-report-mount .legacy-report-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:26px 32px}#assessment-report-mount .legacy-dimension-card{padding:18px;border:1px solid #c9daef;border-radius:14px;overflow:hidden}#assessment-report-mount .legacy-card-title{margin-bottom:4px;padding-left:10px;border-left:4px solid #7ba3c7;font-size:16px;font-weight:700}#assessment-report-mount .legacy-chart-wrap{position:relative;height:170px}#assessment-report-mount .legacy-card-tip{margin-top:12px;padding:8px 10px;border-radius:8px;background:#f1f6fa;color:#5a6f82;font-size:12.5px;line-height:1.5}
#assessment-report-mount .legacy-report-footer{padding:20px 32px;border-top:1px solid #c9daef;background:#f1f6fa;color:#6e97bc;text-align:center;font-size:13px}
#assessment-report-mount .legacy-pyramid-wrap{display:flex;height:100%;flex-direction:column;align-items:center;justify-content:center;gap:8px}#assessment-report-mount .legacy-pyramid-level{display:flex;align-items:center;justify-content:center;height:26px;min-width:60px;padding:0 8px;border-radius:4px;color:#fff;font-size:12px;white-space:nowrap}
@media(max-width:640px){#assessment-report-mount .legacy-report-shell{width:100%;margin:16px 0}#assessment-report-mount .legacy-report-header{padding:24px 16px}#assessment-report-mount .legacy-report-header h1{font-size:26px}#assessment-report-mount .legacy-info-bar{justify-content:flex-start;gap:10px;padding:14px 16px}#assessment-report-mount .legacy-summary{padding:18px 16px}#assessment-report-mount .legacy-report-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:14px 10px}#assessment-report-mount .legacy-dimension-card{padding:12px}#assessment-report-mount .legacy-card-title{padding-left:7px;font-size:14px}#assessment-report-mount .legacy-card-score{font-size:11px}#assessment-report-mount .legacy-card-tip{padding:7px;font-size:11px}#assessment-report-mount .legacy-chart-wrap{height:130px}}

/* Exact legacy student assessment layout, including fixed 16:9 question imagery. */
.legacy-shell{min-height:100vh;padding:32px 16px;background:#eaf2f8;color:#4a6b8c;font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif}.legacy-page{width:min(800px,100%);margin:0 auto;padding:30px;background:#fff;border-radius:16px;box-shadow:0 8px 24px rgba(74,107,140,.12);box-sizing:border-box}.quiz-header{text-align:center;padding-bottom:22px;border-bottom:1px solid #c9daef}.quiz-header h1{margin:14px 0 8px;color:#4a6b8c;font-size:30px}.quiz-header p{margin:0;color:#6e97bc}.org-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:22px 0;padding:18px;background:#f1f6fa}.legacy-field{display:grid;gap:7px;color:#5a7690;font-size:13px}.legacy-field input{box-sizing:border-box;width:100%;padding:10px 12px;border:1px solid #c9daef;border-radius:8px;background:#fff;color:#315a72;font:inherit}.legacy-questions{display:grid}.q-item{padding:20px 0;border-bottom:1px solid #e3eef7}.q-title{display:flex;gap:10px;align-items:flex-start;color:#315a72;font-size:16px;font-weight:700;line-height:1.6}.q-num{display:inline-grid;flex:0 0 auto;place-items:center;width:26px;height:26px;margin-top:1px;border-radius:50%;background:#7ba3c7;color:#fff;font-size:12px}.legacy-options{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0 36px}.legacy-options label{display:inline-flex;align-items:center;padding:7px 12px;border:1px solid #c9daef;border-radius:18px;background:#fff;color:#4a6b8c;cursor:pointer;font-size:13px;transition:.15s}.legacy-options label.selected{border-color:#7ba3c7;background:#edf5fb;color:#315a72;font-weight:700}.legacy-options input{position:absolute;opacity:0;pointer-events:none}.question-image-wrap{position:relative;width:min(100%,360px);aspect-ratio:16/9;margin:14px auto 18px;overflow:hidden;border-radius:12px;background:#f3f7fa;display:flex;align-items:center;justify-content:center}.question-image-wrap img{position:absolute;left:50%;top:50%;display:block;width:100%;height:100%;object-fit:contain;transform-origin:center;user-select:none}.submit-bar{text-align:center;padding:26px 0 10px}.legacy-btn{min-width:180px;padding:12px 18px;border:0;border-radius:8px;background:#5b8db5;color:#fff;font:700 15px/1 "PingFang SC","Microsoft YaHei",sans-serif;cursor:pointer}.legacy-btn-ghost{border:1px solid #7ba3c7;background:#fff;color:#4a6b8c}.teacher-entry,.tech-note{color:#6e97bc;text-align:center;font-size:13px;line-height:1.7}.legacy-error{min-height:1.5em;margin:16px 0 0;color:#a8544d;text-align:center}.success-wrap{max-width:620px;margin:20px auto;text-align:center}.success-icon{display:grid;place-items:center;width:64px;height:64px;margin:0 auto;border-radius:50%;background:#eaf4ed;color:#357b5d;font-weight:700;font-size:13px}.success-wrap h1{margin:12px 0;color:#4a6b8c}.success-tip{line-height:1.75}.code-label{display:block;margin-top:18px;line-height:1.6}.code-box{width:100%;min-width:0;margin:12px auto;padding:14px;box-sizing:border-box;border:1px dashed #7ba3c7;background:#f1f6fa;color:#315a72;font:700 clamp(10px,3.2vw,13px)/1.45 Consolas,monospace;letter-spacing:.03em;overflow-wrap:anywhere;user-select:all}.action-bar{padding:20px 0 16px}.action-bar .legacy-btn{min-width:190px}
@media(max-width:640px){.legacy-shell{padding:18px 12px}.legacy-page{padding:24px 16px}.quiz-header h1{font-size:26px}.org-form{grid-template-columns:1fr;padding:14px}.legacy-options{margin-left:0}.question-image-wrap{width:min(100%,320px);margin-top:12px;margin-bottom:16px}.success-wrap{padding:24px 4px}.success-wrap h1{font-size:25px}.success-tip{font-size:14px;line-height:1.8}.code-label{margin-top:16px;font-size:clamp(13px,4.5vw,18px);line-height:1.45;white-space:nowrap}.code-box{margin:10px auto 4px;padding:13px 12px}.action-bar{padding:18px 0 12px}.action-bar .legacy-btn{min-width:180px}}
.legacy-report-actions{margin:0 auto 14px;text-align:center}.legacy-report-actions .legacy-btn:disabled{cursor:wait;opacity:.7}.legacy-report-save-feedback{min-height:1.5em;margin:10px 0 0;color:#357b5d;font-size:13px}.legacy-report-export{margin:0 auto 22px;text-align:center}.legacy-report-export p{margin:0 0 10px;color:#6e97bc;font-size:13px}.legacy-report-export img{display:block;width:100%;height:auto;border-radius:12px;user-select:none;-webkit-user-select:none}.legacy-report-export-desktop{width:800px!important;max-width:800px!important}.legacy-report-export-desktop .legacy-report-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.legacy-report-export-desktop .legacy-chart-wrap{height:170px!important}
.legacy-score-circle{display:none}.legacy-card-score{margin:0 0 8px;color:#6e97bc;font-size:12px}.export-centered-text{display:inline-block}

/* Teacher record list: compact cards with separate metadata zones on phones. */
.teacher-shell{min-height:100vh;padding:32px max(18px,calc((100% - 1080px)/2));background:#f4f8fa;color:#18324b;font-family:Arial,"Microsoft YaHei",sans-serif;box-sizing:border-box}.app-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:24px}.app-header h1{margin:7px 0 0;font-size:34px;line-height:1.2}.app-header .muted{margin:10px 0 0;color:#6f8496;line-height:1.6}.teacher-header-actions{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.teacher-header-actions .text-button{padding:8px 0;border:0;background:transparent;color:#4d83ad;font:700 14px/1.2 Arial,"Microsoft YaHei",sans-serif}.teacher-lookup{display:flex;gap:8px;align-items:center}.teacher-lookup input{width:180px;min-width:0;padding:9px 11px;border:1px solid #d6e3eb;border-radius:10px;background:#fff;color:#18324b}.teacher-lookup .primary{padding:10px 14px;border:0;border-radius:10px;background:#4d83ad;color:#fff;font-weight:700;white-space:nowrap}.teacher-content{padding:24px;border:1px solid #d6e3eb;border-radius:22px;background:#fff}.teacher-record-list{display:grid}.teacher-record-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"student score" "code code";gap:5px 14px;width:100%;padding:16px 4px;border:0;border-bottom:1px solid #d6e3eb;background:transparent;color:#18324b;text-align:left}.teacher-record-row:hover{background:#eaf3f8}.teacher-record-row>span:first-child{grid-area:student;display:grid;gap:4px;min-width:0}.teacher-record-row>span:first-child strong{font-size:16px}.teacher-record-row>span:first-child small{color:#6f8496;font-size:12px;line-height:1.45}.teacher-record-row .record-code{grid-area:code;max-width:100%;overflow-wrap:anywhere;color:#6f8496;font:12px/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em}.teacher-record-row>b{grid-area:score;align-self:center;min-width:52px;color:#4d83ad;font-size:15px;text-align:right;white-space:nowrap}.teacher-report-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.teacher-report-code-label{color:#6f8496;font-size:12px}.teacher-report-code{background:#eaf3f8;color:#315a72;overflow-wrap:anywhere}
@media(max-width:640px){.teacher-shell{padding:22px 14px}.app-header{margin-bottom:18px;gap:14px;flex-direction:column}.app-header h1{font-size:28px}.teacher-header-actions{width:100%;align-items:stretch}.teacher-lookup{width:100%;align-items:stretch;gap:10px}.teacher-lookup input{flex:1;width:auto;min-height:48px;padding:12px 14px;font-size:16px}.teacher-lookup .primary{min-height:48px;padding:12px 14px;font-size:14px}.teacher-content{padding:16px 14px;border-radius:16px}.teacher-record-row{padding:14px 2px;gap:6px 10px}.teacher-record-row>span:first-child strong{font-size:17px}.teacher-record-row .record-code{font-size:11px}.teacher-record-row>b{font-size:14px}.teacher-report-meta{align-items:flex-start;flex-direction:column;gap:5px}}
.teacher-record-row .record-code{grid-column:1/-1}

/* Shared assessment controls: schools can only show or hide platform material. */
.org-form{grid-template-columns:repeat(2,minmax(0,1fr))}
.assessment-captcha{margin:0 0 22px;padding:14px 18px;border:1px solid #c9daef;border-radius:10px;background:#f1f6fa}
.assessment-captcha b{letter-spacing:.14em;color:#315a72}
.assessment-captcha-input{display:flex;gap:10px}
.assessment-captcha-input .legacy-btn{min-width:auto;padding:9px 12px;font-size:13px}
.assessment-captcha small,.assessment-migration-image-row small{color:#6e97bc;font-size:12px;line-height:1.45}

/* Keep this final rule after the legacy mobile rules: the image itself must be
   centered, otherwise left/top:50% leaves only its lower-right quarter visible. */
.question-image-wrap img{position:absolute;left:50%;top:50%;display:block;width:100%;height:100%;max-width:none;max-height:none;object-fit:contain;transform:translate(-50%,-50%);transform-origin:center}
@media(max-width:640px){.assessment-captcha-input{align-items:stretch;flex-direction:column}.assessment-captcha-input .legacy-btn{width:100%}}