.qb{--qb-gold:#e4c177;--qb-bg:#0d1724;--qb-line:#293c50;color:#dbe8f4;margin-top:24px}.qb *{box-sizing:border-box}.qb [hidden]{display:none!important}.qb h2,.qb h3{margin:0 0 12px}.qb p{line-height:1.6}.qb label{display:flex;flex-direction:column;gap:8px}.qb button,.qb input,.qb select{font:inherit;min-width:0}.qb button,.qb a.button{border:1px solid var(--qb-line);border-radius:9px;background:#111e2c;color:#d9e6f4;padding:10px 14px;cursor:pointer}.qb button:hover,.qb button[aria-pressed=true]{border-color:var(--qb-gold);color:var(--qb-gold)}.qb button:disabled{opacity:.5;cursor:wait}.qb .qb-primary{background:var(--qb-gold);color:#101722;border-color:var(--qb-gold);font-weight:700}.qb input,.qb select{background:#0a1421;border:1px solid var(--qb-line);border-radius:8px;color:#dbe8f4;padding:11px;width:100%}.qb .qb-hero{padding:26px;border:1px solid #75603c;border-radius:16px;background:linear-gradient(115deg,#142739,#091421);display:flex;gap:20px;align-items:center;justify-content:space-between}.qb .qb-hero h2{font-size:clamp(23px,3vw,34px);color:#f5e6c5}.qb .qb-kicker{color:var(--qb-gold);font-size:12px;letter-spacing:2px}.qb .qb-muted{color:#91a9bf;font-size:13px}.qb .qb-count{font-size:32px;color:var(--qb-gold);white-space:nowrap}.qb .qb-toolbar{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0;align-items:flex-end}.qb .qb-toolbar label{flex:1;min-width:150px}.qb .qb-levels{display:flex;gap:7px;flex-wrap:wrap}.qb .qb-levels button{padding:8px 16px}.qb .qb-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px}.qb .qb-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.qb .qb-card,.qb .qb-panel{border:1px solid var(--qb-line);border-radius:13px;background:var(--qb-bg);padding:18px;min-width:0}.qb .qb-card{display:flex;flex-direction:column;gap:10px}.qb .qb-card.selected{border-color:var(--qb-gold);box-shadow:inset 0 0 0 1px #a58950}.qb .qb-card img{height:220px;width:100%;object-fit:contain;background:#fff;border-radius:6px;cursor:zoom-in}.qb .qb-card h3{font-size:15px;line-height:1.5;margin:0}.qb .qb-card .qb-title{min-height:46px}.qb .qb-tag{border:1px solid #7189a3;border-radius:14px;font-size:11px;padding:3px 9px;color:#c4d4e5;display:inline-block;width:max-content}.qb .qb-tag[data-level="1점"]{color:#f3d080;border-color:#ab873e}.qb .qb-tag[data-level="2점"]{color:#9ae5e7;border-color:#4e9598}.qb .qb-cart{position:sticky;top:24px;align-self:start}.qb .qb-cart ol{padding-left:24px;max-height:330px;overflow:auto}.qb .qb-cart li{margin:12px 0;font-size:13px;line-height:1.5}.qb .qb-cart li button{padding:1px 6px;float:right}.qb .qb-actions{display:flex;flex-wrap:wrap;gap:9px;margin:14px 0}.qb .qb-actions>*{flex:1;text-align:center}.qb .qb-pagination{display:flex;align-items:center;justify-content:center;gap:15px;margin:20px 0}.qb .qb-empty{padding:35px;text-align:center;border:1px dashed var(--qb-line);border-radius:12px;color:#98b0c7}.qb .qb-check{display:flex!important;flex-direction:row!important;align-items:center;gap:9px}.qb .qb-check input{width:18px;height:18px;accent-color:var(--qb-gold)}.qb .qb-preview{position:fixed;inset:6vh max(16px,calc((100vw - 1100px)/2));background:#101d2b;color:#ddeaf5;border:1px solid #8e7449;border-radius:15px;padding:22px;max-width:none;width:auto;max-height:88vh;overflow:auto;z-index:2000}.qb .qb-preview::backdrop{background:#000b}.qb .qb-preview img{width:100%;height:auto;background:#fff}.qb .qb-preview h3{font-size:18px;line-height:1.5}.qb .qb-preview .qb-close{float:right}.qb .qb-history{margin-top:30px}.qb .qb-history-row{border-bottom:1px solid var(--qb-line);padding:14px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.qb .qb-history-row a{color:var(--qb-gold);margin-left:15px}.qb .qb-status{min-height:28px;color:var(--qb-gold);padding:9px 0}.qb .qb-admin-table{width:100%;border-collapse:collapse}.qb .qb-admin-table th,.qb .qb-admin-table td{padding:13px 10px;border-bottom:1px solid var(--qb-line);text-align:left;font-size:13px}.qb .qb-admin-table th{color:#a2b6c9}.qb .qb-admin-table tr.selected{background:#253342}.qb .qb-table-scroll{overflow:auto}.qb .qb-editor{display:flex;flex-direction:column;gap:14px}.qb .qb-editor img{background:white;width:100%;max-height:350px;object-fit:contain}.qb .qb-register{margin:18px 0}.qb .qb-register .qb-register-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.qb .qb-upload-list{max-height:180px;overflow:auto}.qb .qb-drag-box{position:relative;touch-action:none;border:1px solid #426481;user-select:none}.qb .qb-drag-box img{display:block;width:100%;height:auto;max-height:none;pointer-events:none}.qb .qb-rectangle{position:absolute;border:2px solid #efb754;background:#ffd36a33;pointer-events:none}.qb .qb-busy{width:min(440px,90vw);border:1px solid #8e7449;background:#101d2b;color:#e8eef5;border-radius:13px;padding:25px}.qb .qb-busy::backdrop{background:#0008}.qb progress{width:100%;accent-color:var(--qb-gold)}.qb .qb-result{padding:18px;border:1px solid #76633e;border-radius:10px;background:#182838}.qb .qb-result a{display:inline-block;margin:12px 14px 0 0;color:var(--qb-gold)}.qb a{overflow-wrap:anywhere}.qb button:focus-visible,.qb a:focus-visible,.qb input:focus-visible,.qb select:focus-visible{outline:2px solid #e8c884;outline-offset:3px}
.qb .qb-grid>div{min-width:0}.qb .qb-admin-table button{max-width:340px;text-align:left;overflow-wrap:anywhere}.qb .qb-admin-table{min-width:560px}.qb .qb-cart>img{width:100%;max-height:350px;object-fit:contain;background:white}
.qb button.qb-primary:hover{color:#101722;background:#efd59a}
@media(max-width:1050px){.qb .qb-grid{grid-template-columns:minmax(0,1fr) 270px}.qb .qb-cards{grid-template-columns:1fr}}
@media(max-width:760px){.qb .qb-grid,.qb .qb-register .qb-register-grid{grid-template-columns:1fr}.qb .qb-cart{position:static;order:-1}.qb .qb-hero{padding:20px;align-items:flex-start}.qb .qb-count{font-size:23px}.qb .qb-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.qb .qb-card{padding:12px}.qb .qb-card img{height:180px}.qb .qb-preview{inset:3vh 10px;max-height:94vh;padding:15px}.qb .qb-toolbar{gap:10px}.qb .qb-toolbar label{min-width:120px}.qb .qb-cart ol{max-height:160px}}
@media(max-width:430px){.qb .qb-cards{grid-template-columns:1fr}.qb .qb-card img{height:235px}.qb .qb-hero{display:block}.qb .qb-count{margin-top:12px}.qb .qb-toolbar label{flex-basis:100%}.qb .qb-admin-table td,.qb .qb-admin-table th{padding:10px 6px}.qb .qb-history-row{display:block}}

/* Student catalogue: metadata only. No image/preview fetch on list actions. */
.qb.qb-student .qb-hero{background:none;border:0;padding:0 0 12px;border-radius:0}
.qb.qb-student .qb-kicker{display:none}.qb.qb-student .qb-hero h2{font-size:25px;color:#f1f5f9}
.qb.qb-student .qb-grid{display:block}.qb.qb-student .qb-cart{position:static;margin-top:20px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:center;background:#101e2c}
.qb.qb-student .qb-cart h3{margin:0;color:#e4c177}.qb.qb-student .qb-cart ol{grid-column:2/-1;margin:0;max-height:90px;display:flex;flex-wrap:wrap;gap:6px 18px;list-style:none;padding:0}
.qb.qb-student .qb-cart li{margin:0}.qb.qb-student .qb-cart li button{float:none;margin-left:6px}
.qb .qb-list-tools{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:20px 0 10px;font-size:13px;color:#b9d7f0}
.qb .qb-list-tools label{flex-direction:row;align-items:center;white-space:nowrap}.qb .qb-list-tools select{width:auto;padding:6px 10px}
.qb .qb-student-table{table-layout:fixed;width:100%;min-width:760px;border-collapse:separate;border-spacing:0;border:1px solid #293c50;border-radius:10px;overflow:hidden;background:#0b1723;color:#f1f5f9}
.qb .qb-student-table th,.qb .qb-student-table td{padding:10px 12px;text-align:left;border:0;border-bottom:1px solid #293c50;font-size:14px;line-height:1.5;background:transparent;color:#f1f5f9}
.qb .qb-student-table th{background:#192a3c;color:#b9d7f0;font-weight:500;white-space:nowrap}
.qb .qb-student-table th:nth-child(1){width:42px}.qb .qb-student-table th:nth-child(2){width:90px}.qb .qb-student-table th:nth-child(3){width:180px}.qb .qb-student-table th:nth-child(4){width:145px}.qb .qb-student-table th:nth-child(5){width:106px}
.qb .qb-student-table tbody tr:nth-child(odd){background:#102030}.qb .qb-student-table tbody tr.selected{background:#1b3043}
.qb .qb-student-table td.qb-number,.qb .qb-student-table td.qb-subunit{color:#f1f5f9!important}.qb .qb-student-table td.qb-middle{color:#bed8ee}
.qb .qb-student-table input[type=checkbox]{width:18px;height:18px;padding:0;accent-color:#e4c177;vertical-align:middle;cursor:pointer}
.qb .qb-student-table .qb-tag{color:#ecf6ff;background:#214f74;border:0;white-space:nowrap;font-size:12px}
.qb .qb-student-table .qb-tag[data-level="1점"]{background:#285f3d;color:#eaffef}.qb .qb-student-table .qb-tag[data-level="2점"]{background:#4b408a;color:#f4eeff}
.qb .qb-student-table button.qb-stem{width:100%;padding:0;border:0;background:transparent;color:#f1f5f9;display:flex;text-align:left;line-height:1.5;font-weight:400}
.qb .qb-stem-head{min-width:0;overflow:hidden;white-space:nowrap}.qb .qb-stem-tail{flex:none;white-space:nowrap}.qb .qb-stem-short{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qb .qb-student-table .qb-full-stem td{background:#1b2a3a;white-space:normal;overflow-wrap:anywhere}.qb .qb-full-stem p{margin:0 0 10px}
@media(max-width:1000px){.qb .qb-student-table th:nth-child(3){width:150px}.qb .qb-student-table th:nth-child(4){width:120px}.qb.qb-student .qb-cart{grid-template-columns:repeat(2,minmax(0,1fr))}.qb.qb-student .qb-cart ol{grid-column:2}}
@media(max-width:600px){.qb.qb-student .qb-cart{display:flex;flex-direction:column;align-items:stretch}.qb .qb-list-tools{align-items:flex-start;flex-wrap:wrap}.qb.qb-student .qb-hero{display:block}.qb.qb-student .qb-count{font-size:22px}.qb .qb-student-table th,.qb .qb-student-table td{padding:9px 8px}}
.qb.qb-student .qb-cart{display:block}.qb .qb-selection-summary{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.qb.qb-student .qb-selection-summary ol{flex:1;min-width:180px;max-height:100px}.qb .qb-workbook-settings{margin-top:16px;border-top:1px solid #293c50;padding-top:12px}.qb .qb-workbook-settings summary{cursor:pointer;color:#b9d7f0;font-size:13px}.qb .qb-workbook-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;align-items:end;margin-top:14px}
@media(max-width:760px){.qb .qb-workbook-controls{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:430px){.qb .qb-workbook-controls{grid-template-columns:1fr}.qb .qb-selection-summary>button{flex:1}.qb .qb-selection-summary h3{width:100%}}
.qb.qb-student input,.qb.qb-student select{margin:0}.qb.qb-student .qb-status:empty{min-height:0;padding:0}.qb.qb-student label{color:#b9d7f0}.qb.qb-student .qb-toolbar{margin:16px 0}.qb.qb-student .qb-check input{margin:0}