/* r15: reading, practice and accessible local worksheets. */
.detail .r15-worked{padding:clamp(18px,3vw,32px);background:#fff;border:1px solid #d8dece;border-top:4px solid #385847;border-radius:10px;margin:2.7rem 0}
.r15-worked>h2:first-child{margin-top:0;padding-top:0}.r15-note{font-size:.9rem;color:#53635a;background:#f1f5ee;padding:12px 16px;border-left:3px solid #658b6b;border-radius:3px}
.r15-problem,.r15-answer{padding:16px 20px;background:#f5f3e9;border:1px solid #e2dcc6;border-radius:6px}.r15-problem h3{margin-top:0}
.r15-reading{margin:1.5rem 0;padding:22px 26px;border-left:4px solid #386255;background:#f3f6f3;font-family:Georgia,'Times New Roman',serif;font-size:1.14rem;line-height:1.95;color:#172b24;overflow-wrap:normal;word-break:normal;hyphens:auto}
.r15-worked details{padding:14px 18px;border:1px solid #bdcbbc;border-radius:6px;margin:1.4rem 0;background:#fff}.r15-worked summary{cursor:pointer;font-weight:700;line-height:1.7}.r15-worked details[open] summary{margin-bottom:1rem}
.r15-timer,.r15-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:1rem 0}.r15-timer output{font:700 1.4rem ui-monospace,monospace;padding:6px 12px;background:#eff4ee;border-radius:4px}.r15-timer button,.r15-actions button,#grade-drill{font:inherit;font-size:.94rem;font-weight:700;min-height:44px;padding:10px 15px;border:1px solid #3c6050;border-radius:5px;background:#fff;color:#274737;cursor:pointer}.r15-actions button:first-child,#grade-drill{background:#294d3c;color:#fff}.r15-timer button:disabled{opacity:.5;cursor:default}
[data-reading-drill] fieldset{min-width:0;border:1px solid #ccd4c9;border-radius:6px;margin:1.4rem 0;padding:16px 20px;background:#fcfdfb}[data-reading-drill] legend{max-width:100%;padding:0 6px;font-weight:700;font-size:1rem;line-height:1.6;white-space:normal;overflow-wrap:anywhere}[data-reading-drill] label{display:flex;align-items:flex-start;gap:10px;padding:8px 0;line-height:1.7;font-size:1rem}[data-reading-drill] input[type=radio]{width:18px;height:18px;min-width:18px;flex:0 0 18px;accent-color:#29563e;margin:5px 0 0}#drill-result:not(:empty),[data-review-status]:not(:empty){padding:14px 18px;background:#edf4e9;border-left:3px solid #537246;border-radius:4px}
.detail .r15-worksheet{border:1px solid #d0d9cd;background:#f6f8f3;border-radius:10px;padding:clamp(18px,3vw,30px);margin:2.7rem 0}.r15-worksheet>h2:first-child{margin-top:0;padding-top:0}[data-review-worksheet]{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px}[data-review-worksheet]>label{min-width:0;font-size:.96rem;font-weight:700;display:flex;flex-direction:column;gap:8px}[data-review-worksheet] input,[data-review-worksheet] select,[data-review-worksheet] textarea{box-sizing:border-box;width:100%;max-width:100%;min-width:0;border:1px solid #a9b7a6;border-radius:5px;padding:11px 12px;font:inherit;font-weight:400;font-size:16px;background:#fff;color:#1c2e23;line-height:1.7}[data-review-worksheet] textarea{resize:vertical}[data-review-worksheet] .r15-actions,[data-review-worksheet]>p{grid-column:1/-1}
.r15-related{display:flex;gap:10px 20px;flex-wrap:wrap;padding:20px;background:#f1f5ec;border-radius:7px;margin:2rem 0}.r15-toc{margin:1.8rem 0;padding:18px 22px;border:1px solid #d9dfd2;background:#fafbf6;border-radius:8px}.r15-toc h2{font-size:1.05rem;margin:0 0 .7rem;padding:0}.r15-toc ol{margin:0;padding-left:1.3rem}.r15-toc li{margin:.4rem 0;font-size:.95rem}.r15-worked h3,.r15-worksheet h3{line-height:1.7}
.guide-table{width:100%;border-collapse:collapse;font-size:.96rem}.guide-table th,.guide-table td{border:1px solid #d8ded0;padding:13px 15px;text-align:left;vertical-align:top}.guide-table th{background:#edf2e7}.table-scroll{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}.detail{min-width:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #b67a13;outline-offset:3px}section[id],h2[id]{scroll-margin-top:100px}.r15-figure img{display:block;max-width:100%;height:auto;border:1px solid #d7dccf;border-radius:6px}.r15-figure figcaption{font-size:.86rem;color:#596357;margin-top:8px}.r15-print-field{display:none}
#check-results{padding-left:1.4rem}#check-results li{padding:6px;overflow-wrap:anywhere}#check-results li.pass{color:#255c32}#check-results li.fail{color:#922c2c}#check-status{font-weight:700}.r15-has-sticky{padding-bottom:75px}
@media(max-width:640px){.r15-reading{font-size:1.04rem;padding:17px 18px}[data-review-worksheet]{grid-template-columns:1fr;gap:16px}.r15-toc{padding:16px}.detail .r15-worked,.detail .r15-worksheet{padding:17px}.r15-worked h2{font-size:1.28rem}.r15-worked h3{font-size:1.1rem}[data-reading-drill] fieldset{padding:12px}.r15-actions button{flex:1 1 150px}.r15-timer button{flex:1 1 140px}.guide-table{min-width:480px}.line-mobile-sticky{padding-bottom:max(10px,env(safe-area-inset-bottom))}}
@media(min-width:761px){.r15-has-sticky{padding-bottom:0}}
@media print{body{padding-bottom:0!important;background:#fff!important}.line-float,.line-mobile-sticky,.r15-actions,.r15-timer button,#grade-drill,.r15-toc,.r15-related,body>header,body>footer,.cta-box{display:none!important}.detail .r15-worked,.detail .r15-worksheet{break-inside:auto;padding:8mm;border:1px solid #999;background:#fff!important;box-shadow:none}.r15-reading{font-size:11pt;line-height:1.8}details>*{display:block!important}details>summary{display:block!important;font-weight:bold}[data-review-worksheet] input,[data-review-worksheet] textarea,[data-review-worksheet] select{display:none}.r15-print-field{display:block;font-weight:400;white-space:pre-wrap;overflow-wrap:anywhere;min-height:16px;border-bottom:1px solid #aaa;padding:4px 0}.table-scroll{overflow:visible}.guide-table{min-width:0;font-size:9pt}.detail{max-width:none!important;width:auto!important;margin:0!important}h2,h3{break-after:avoid}p,li{orphans:3;widows:3}}