.testheft-entry {margin:24px 0;background:#e9f2e9;border-left:5px solid #33745b}
.testheft-entry h2 {margin-top:8px}
.testheft-chapters {display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:24px 0}
.testheft-chapters button {text-align:left;color:inherit;padding:18px;background:#fff}
.testheft-chapters h3 {margin:10px 0;font-size:18px}
.testheft-filters {display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.testheft-filters label,.testheft-task-nav label,.testheft-source .row label {display:grid;gap:5px;min-width:0}
.testheft-filters select,.testheft-filters input {width:100%;min-width:0;box-sizing:border-box}
.testheft-task-list {display:grid;gap:10px}
.testheft-task {display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;border:1px solid #cbd7cc;background:#fff;color:#173e35;padding:18px;border-radius:12px;width:100%}
.testheft-task strong,.testheft-task small {display:block;margin:4px 0}
.testheft-task:hover,.testheft-chapters button:hover {border-color:#33745b;background:#f4f8f3}
.testheft-task:focus-visible,.testheft-chapters button:focus-visible {outline:3px solid #33745b;outline-offset:3px}
.testheft-task .tag {white-space:normal;text-align:center;flex-shrink:0;max-width:160px}
.testheft-workspace {display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px;margin-top:20px;align-items:start}
.testheft-workspace section {min-width:0}
.testheft-task-nav {align-items:end}
.testheft-task-nav select {max-width:100%}
.testheft-page-scroll {overflow:auto;max-height:80vh;margin-top:15px;border:1px solid #cbd7cc;background:#e5e8e3}
.testheft-page-scroll img {display:block;width:100%;height:auto;max-width:none}
.testheft-answer textarea {width:100%;box-sizing:border-box;resize:vertical}
.testheft-answer-grid {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:20px}
.testheft-answer-grid label,.testheft-rubric label {display:grid;gap:6px}
.testheft-answer-grid select {width:100%}
.testheft-answer details {margin:20px 0}
.testheft-answer figure {margin:15px 0}
.testheft-answer figure img {max-width:100%;height:auto;display:block}
.testheft-answer figcaption {font-size:13px;margin-bottom:6px;color:#526258}
.testheft-listening {border-bottom:1px solid #cbd7cc;padding-bottom:16px;margin-bottom:20px}
.testheft-listening label {display:block;margin:16px 0}
.testheft-listening input {width:100%}
.testheft-listening audio {width:100%;margin:12px 0}
.testheft-rubric select {max-width:200px}
.testheft-rubric label {margin:14px 0}
@media(max-width:1100px){.testheft-workspace{grid-template-columns:1fr}.testheft-page-scroll{max-height:65vh}.testheft-filters{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.testheft-chapters{grid-template-columns:repeat(2,minmax(0,1fr))}.testheft-filters{grid-template-columns:1fr}.testheft-task{align-items:start;flex-direction:column}.testheft-task .tag{max-width:none}.testheft-task-nav{align-items:stretch}.testheft-task-nav label{width:100%}.testheft-workspace>.card{padding:18px}.testheft-answer-grid{gap:10px}}