:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1d2530;background:#f4f6f8}
*{box-sizing:border-box}body{margin:0}.admin-header{background:#fff;padding:20px 28px;border-bottom:1px solid #dfe4ea;display:flex;justify-content:space-between;align-items:end;gap:20px}.admin-header h1{margin:2px 0 0;font-size:28px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:12px;color:#687384;font-weight:700}.admin-user{font-size:14px}.admin-nav{display:flex;flex-wrap:wrap;gap:4px;background:#17202b;padding:8px 22px}.admin-nav a{color:#fff;text-decoration:none;padding:9px 11px;border-radius:7px}.admin-nav a:hover{background:#2b3848}.admin-main{max-width:1400px;margin:0 auto;padding:24px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.card{background:#fff;border:1px solid #dfe4ea;border-radius:12px;padding:18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.card h2,.card h3{margin-top:0}.metric{font-size:30px;font-weight:800}.muted{color:#697586}.small{font-size:13px}.flash{padding:12px 15px;border-radius:9px;margin-bottom:15px}.flash.success{background:#e9f7ef;border:1px solid #b9e2ca}.flash.error{background:#fff0f0;border:1px solid #efc0c0}.actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.button,button{display:inline-block;border:0;border-radius:8px;padding:9px 13px;background:#26394f;color:#fff;text-decoration:none;cursor:pointer;font:inherit}.button.secondary,button.secondary{background:#e8edf2;color:#1d2530}.button.danger,button.danger{background:#9f2d2d}.button.small,button.small{padding:6px 9px;font-size:13px}label{display:block;font-weight:700;margin-bottom:5px}.field{margin-bottom:13px}input,select,textarea{width:100%;padding:9px 10px;border:1px solid #cdd5df;border-radius:7px;background:#fff;font:inherit}textarea{min-height:90px}.inline{display:flex;gap:10px;align-items:end;flex-wrap:wrap}.inline>.field{flex:1;min-width:160px}.checkline{display:flex;gap:8px;align-items:center;margin:6px 0}.checkline input{width:auto}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:10px;border-bottom:1px solid #e1e6ec;vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#647080;background:#f8fafb}.status{display:inline-block;padding:3px 8px;border-radius:999px;background:#e9eef4;font-size:12px}.status.good{background:#e7f6ed}.status.warn{background:#fff4d8}.status.bad{background:#fde8e8}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.register-table input,.register-table select{min-width:105px}.register-table textarea{min-width:180px;min-height:60px}.print-only{display:none}
@media(max-width:800px){.two{grid-template-columns:1fr}.admin-header{align-items:start;flex-direction:column}.admin-main{padding:14px}}
@media print{body{background:#fff}.admin-nav,.admin-user,.no-print,.actions{display:none!important}.admin-main{max-width:none;padding:0}.card{box-shadow:none;border:0;padding:0}.print-only{display:block}}
.review-record{border-top:1px solid #dde3ea;padding:16px 2px}
.review-record:first-of-type{border-top:0}
.review-record h3{font-size:17px;margin:0 0 9px}
.review-record ol{padding-left:23px}
.review-record li{padding:3px 0}
/* v0.4: progressively enhanced with native HTML details so correction works without JavaScript. */
.review-record details{margin:14px 0;padding:12px 14px;border:1px solid #cbd5df;border-radius:9px;background:#fafcff}
.review-record summary{cursor:pointer;padding:4px 0;color:#26394f}
.review-editor{padding-top:16px}
.review-editor .grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.review-exclude{border-top:1px dotted #d4dce5;margin-top:18px;padding-top:12px}
.review-exclude .inline .field{margin-bottom:0}
.review-record{break-inside:avoid;page-break-inside:avoid}
button:disabled{background:#c3ccd6;color:#4b5563;cursor:not-allowed}
@media print{.review-editor,.review-exclude,.review-record details,.button,.no-print,form{display:none!important}.review-record{padding:11px 0}.card{break-inside:auto}}
/* v0.5.1 owner-only question library. Filters remain visible while cards scroll inside the work area. */
.question-library-main{max-width:1620px}.ql-layout{padding:0;overflow:hidden}.ql-heading{padding:18px 22px;display:flex;justify-content:space-between;align-items:end;gap:18px}.ql-heading h2{margin:0 0 5px}.ql-heading p{margin:0}.ql-heading .field{min-width:230px;margin-bottom:0}
.ql-toolbar{position:sticky;top:0;z-index:5;background:#f7f9fc;padding:12px 20px;border-top:1px solid #dfe4ea;border-bottom:1px solid #dfe4ea;box-shadow:0 2px 8px #1d25300d}.ql-toolbar .field{margin-bottom:0;font-size:12px}.ql-toolbar .field input,.ql-toolbar .field select{margin-top:5px;font-size:14px}.ql-toolbar-first{display:flex;gap:16px;align-items:end}.ql-toolbar-first>.field{flex:1}.ql-columns{border:1px solid #cdd5df;border-radius:7px;margin:0;display:flex;align-items:center;gap:12px;padding:8px 12px;white-space:nowrap}.ql-columns legend{font-size:12px;font-weight:bold}.ql-columns label{font-weight:500;font-size:14px;display:inline-flex;align-items:center;gap:4px;margin:0}.ql-columns input{width:auto;margin:0}.ql-filters{display:grid;grid-template-columns:repeat(6,minmax(115px,1fr));gap:9px;margin-top:10px}.ql-toolbar-bottom{display:flex;gap:10px;align-items:center;margin-top:10px;flex-wrap:wrap}.ql-toolbar-bottom span{margin-right:auto;font-size:13px;color:#687384}.ql-workspace{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:0;min-height:350px;height:min(72vh,790px)}.ql-results{overflow:auto;overscroll-behavior:contain;padding:16px;scrollbar-gutter:stable}.ql-cards{display:grid;align-content:start;gap:12px}.ql-cards.cols-1{grid-template-columns:minmax(0,1fr)}.ql-cards.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.ql-cards.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.ql-question-card{border:1px solid #d8dfe8;background:#fff;border-radius:12px;padding:14px;min-width:0;display:flex;flex-direction:column;gap:8px;overflow-wrap:anywhere}.ql-card-head{display:flex;align-items:start;justify-content:space-between;gap:6px;font-size:14px}.ql-tag{font-size:10px;font-weight:700;border-radius:99px;background:#fff4d8;padding:3px 6px}.ql-meta{font-size:12px;color:#667483;margin:0}.ql-prompt{font-weight:650;white-space:pre-wrap;margin:4px 0 8px;line-height:1.4;font-size:14px}.ql-passage-link{font-size:12px;color:#445c74}.ql-choice{padding:7px 9px;background:#f2f5f8;margin:5px 0;border-radius:6px;font-size:13px;white-space:pre-wrap}.ql-revealed .ql-choice[data-correct="1"]{background:#dff5e8;border-left:3px solid #23844f}.ql-answer{background:#e7f7ed;border-radius:7px;font-size:13px;padding:9px;display:none}.ql-revealed .ql-answer{display:block}.ql-answer p{margin:5px 0 0}.ql-extended{border-top:1px solid #d9e1e9;padding:10px 0;max-height:340px;overflow:auto}.ql-passage-body{white-space:pre-wrap;line-height:1.55}.ql-card-actions{display:flex;gap:5px;justify-content:flex-end;align-items:center;margin-top:auto;flex-wrap:wrap}.ql-add.selected{background:#e0efe6;color:#17623e}.ql-basket{border-left:1px solid #dfe4ea;overflow:auto;padding:16px 13px;background:#fcfdff}.ql-basket h3{margin:0 0 6px;font-size:17px}.ql-basket h3 span{background:#e7edf3;padding:4px 9px;border-radius:999px}.ql-basket-row{display:flex;gap:5px;align-items:center;border-bottom:1px solid #e5e9ef;padding:8px 0}.ql-basket-row button{padding:5px 8px;flex-shrink:0}.ql-basket-no{font-weight:700;font-size:12px;min-width:14px}.ql-basket-title{font-size:12px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1;min-width:0}.ql-basket>button{width:100%}.ql-pagination{display:flex;justify-content:center;gap:10px;align-items:center;padding:20px}.ql-pagination span{font-size:12px}.ql-error{color:#982c2c;font-weight:650}.qa-main{max-width:1100px}.qa-form textarea{min-height:130px}.qa-form #qa-questions{min-height:260px}.qa-form #qa-passage{min-height:210px}.qa-question-review{border:1px solid #dce4ea;border-radius:10px;padding:16px;margin:14px 0}.qa-options{display:grid;grid-template-columns:1fr 1fr;gap:10px}.qa-options textarea{min-height:62px}.qa-passage-review{background:#f6f9fc;border:1px solid #e0e7ef;border-radius:10px;padding:14px;margin:15px 0}.qa-passage-body{line-height:1.6;overflow-wrap:anywhere;max-height:450px;overflow:auto}
@media(max-width:1150px){.ql-filters{grid-template-columns:repeat(3,minmax(110px,1fr))}.ql-workspace{grid-template-columns:minmax(0,1fr) 245px}.ql-cards.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:750px){.ql-heading{flex-direction:column;align-items:stretch}.ql-heading .field{min-width:0}.ql-toolbar{padding:10px}.ql-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.ql-workspace{height:auto;display:flex;flex-direction:column}.ql-results{max-height:460px}.ql-cards.cols-1,.ql-cards.cols-2,.ql-cards.cols-3{grid-template-columns:1fr}.ql-basket{border-left:0;border-top:1px solid #dfe4ea;max-height:280px}.ql-toolbar-first{flex-direction:column;align-items:stretch}.qa-options{grid-template-columns:1fr}}
@media print{.ql-toolbar,.ql-basket,.ql-card-actions,.ql-pagination{display:none!important}.ql-workspace{display:block;height:auto}.ql-results{overflow:visible}.ql-cards,.ql-cards.cols-2,.ql-cards.cols-3{grid-template-columns:1fr}}

/* Full-width preview protects readability even with 3-column cards. */
.ql-preview-dialog{border:1px solid #d7e0ea;border-radius:13px;padding:22px;width:min(900px,94vw);max-height:88vh;overflow:auto;box-shadow:0 20px 65px #0004}.ql-preview-dialog::backdrop{background:#17202bbb}.ql-preview-top{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid #e3e8ee;margin-bottom:15px}.ql-preview-top h2{margin:0 0 12px}.ql-option-correct{background:#dcf3e4;border-left:3px solid #20834e}.ql-preview-answer{font-weight:700;color:#175f3e;background:#e8f5ec;border-radius:6px;padding:10px}.ql-preview-dialog .ql-passage-body{line-height:1.65;white-space:pre-wrap;border:1px solid #e3e8ee;padding:14px;border-radius:8px;background:#fbfcfd}

/* Optional per-question settings remain folded away until needed. */
.ql-basket-item{border-bottom:1px solid #e5e9ef}.ql-basket-item>.ql-basket-row{border-bottom:0}.ql-basket-advanced{padding:0 5px 9px 19px}.ql-basket-advanced summary{font-size:12px;cursor:pointer;color:#3f5f77}.ql-basket-advanced label{font-size:11px;margin:8px 0 0}.ql-basket-advanced input,.ql-basket-advanced textarea{font-size:12px;padding:6px;margin-top:4px}.ql-basket-advanced textarea{min-height:55px}.ql-basket-advanced .ql-basket-check{display:flex;gap:6px;align-items:center}.ql-basket-advanced .ql-basket-check input{width:auto;margin:0}