.exploration-chapters {display:grid;gap:16px;max-width:760px;margin:auto}
.exploration-chapter {padding:0;overflow:hidden;text-align:left;border:1px solid #a1774e;border-radius:18px;background:#30251f;color:#fff;box-shadow:0 10px 24px #0003;cursor:pointer}
.exploration-chapter:focus-visible {outline:3px solid #ffc870;outline-offset:4px}
.exploration-chapter-art {display:block;width:100%;height:clamp(160px,25vw,230px);background:#cfa574 url('/exploration/spum-badlands-v4.png?v=20261004-warm-grass-04') center/cover;position:relative;overflow:hidden;image-rendering:pixelated}
.exploration-chapter-copy {display:flex;justify-content:space-between;align-items:center;gap:12px;padding:18px 20px}
.exploration-chapter-copy strong {display:block;font-size:22px;margin:4px 0}
.exploration-chapter-copy small {color:#e1c6ac}
.exploration-enter {flex:none;color:#ffd091}
#explorationBattle {position:fixed;inset:0;width:100%;max-width:none;height:100vh;height:100dvh;max-height:none;margin:0;padding:0;border:0;border-radius:0;background:#16171c;color:#fff;overflow:hidden}
#explorationBattle[open] {display:grid;grid-template-rows:48% 52%}
#explorationBattle::backdrop {background:#16171c;backdrop-filter:none}
.has-exploration {overflow:hidden}
.exploration-stage {position:relative;min-height:0;overflow:hidden;background:#a97762}
#explorationCanvas {width:100%;height:100%;display:block;image-rendering:pixelated}
.exploration-hud {position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;gap:10px;padding:calc(12px + env(safe-area-inset-top,0px)) max(12px,env(safe-area-inset-right,0px)) 12px max(12px,env(safe-area-inset-left,0px));background:linear-gradient(#1d141dc9,transparent);pointer-events:none}
.exploration-hud h2 {margin:0;font-size:clamp(15px,2vw,21px);color:#fff}
.exploration-hud p {margin:4px 0;font-size:12px;color:#f6dfc5}
.exploration-controls {display:flex;gap:6px;pointer-events:auto}
.exploration-controls button {min-height:40px;padding:8px 11px;border:1px solid #d9b48977;border-radius:9px;background:#211a22de;color:#fff;font-size:13px;white-space:nowrap}
.exploration-status {position:absolute;bottom:12px;left:12px;right:12px;width:fit-content;max-width:calc(100% - 24px);margin:0 auto;padding:7px 14px;border-radius:20px;background:#201821ce;color:#ffe3ba;font-size:13px;text-align:center;pointer-events:none}
.exploration-learning {min-height:0;overflow:auto;background:#f4ead7;color:#382f27;border-top:2px solid #b88c5866;padding:12px max(12px,env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px));font-size:14px}
.exploration-learning button {min-height:40px;padding:8px 12px;border-radius:8px;border:1px solid #9b734c;background:#795133;color:#fff;cursor:pointer}
.exploration-learning button:disabled {opacity:.5;cursor:default}
.exploration-learning-toolbar {display:flex;align-items:center;flex-wrap:wrap;gap:8px;max-width:1100px;margin:0 auto 10px}
.exploration-learning-toolbar label {display:flex;align-items:center;gap:6px;margin:0}
.exploration-learning select,.exploration-learning input[type=text] {min-height:40px;padding:8px;border:1px solid #b49a76;border-radius:7px;background:#fffaf0;color:#382f27;max-width:100%;font-size:16px}
#explorationResources {margin-left:auto;font-variant-numeric:tabular-nums;font-size:13px}
.exploration-learning-body {display:grid;grid-template-columns:minmax(0,1fr) 190px;gap:16px;max-width:1100px;margin:auto}
#explorationQuestionForm {min-width:0}
#explorationQuestionMeta {font-size:12px;color:#715a44;margin:0 0 8px}
#explorationQuestionContent h3 {font-size:17px;line-height:1.5;margin:0 0 10px;color:#382f27;overflow-wrap:anywhere;white-space:pre-wrap}
.exploration-question-context {white-space:pre-wrap;line-height:1.6}
#explorationQuestionContent .math-figure {max-width:100%;max-height:210px;object-fit:contain;background:white}
#explorationAnswers {display:grid;gap:7px;min-width:0}
#explorationAnswers input[type=text] {width:100%;box-sizing:border-box}
.exploration-option {display:flex;align-items:center;gap:9px;line-height:1.5;background:#fffaf0;padding:10px;border-radius:8px;border:1px solid #d7c3a3;margin:0;min-width:0}
.exploration-option span {overflow-wrap:anywhere}
.exploration-option input {width:18px;height:18px;flex:none;margin:0;accent-color:#795133}
.exploration-order,.exploration-match {display:flex;align-items:center;gap:8px;min-width:0;margin:0}
.exploration-order span,.exploration-match span {flex:1;overflow-wrap:anywhere}
.exploration-match select {max-width:65%}
#explorationSkills {display:flex;flex-wrap:wrap;gap:14px;margin:12px 0;font-size:13px}
#explorationSkills label {display:flex;gap:5px;align-items:center;margin:0}
#explorationSkills input {width:16px;height:16px;margin:0;accent-color:#795133}
.exploration-question-actions {display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
#explorationFeedback {white-space:pre-wrap;line-height:1.6;overflow-wrap:anywhere}
#explorationFeedback:not(:empty) {padding:12px;border-radius:9px;background:#e5dcc8}
#explorationFeedback.correct strong {color:#326b39}
#explorationFeedback.incorrect strong {color:#a2382b}
#explorationFeedback p {margin:8px 0 0}
#explorationLearningStatus {font-size:13px;margin:8px 0;color:#8a3e22}
.exploration-bag {border-left:1px solid #cdb593;padding-left:16px;min-width:0}
.exploration-bag h3 {font-size:14px;margin:0 0 8px;color:#5b412e}
.exploration-bag>small {display:block;color:#715a44;line-height:1.5;margin-top:10px}
#explorationItems {display:grid;gap:7px}
#explorationItems button {display:grid;grid-template-columns:36px 1fr;gap:3px 7px;align-items:center;text-align:left;padding:7px;background:#fff8e9;color:#382f27;border-color:#ccb28c;min-width:0}
#explorationItems .pixel-item-icon {width:36px;height:36px;grid-row:span 2}
#explorationItems button small {font-size:11px;color:#715a44}
@media(max-width:600px) {.exploration-learning-body {grid-template-columns:minmax(0,1fr)}.exploration-bag {border-left:0;padding-left:0;border-top:1px solid #cdb593;padding-top:10px}#explorationItems {grid-template-columns:repeat(2,minmax(0,1fr))}#explorationResources {width:100%;margin-left:0}.exploration-learning-toolbar label {flex:1}#explorationQuestionContent h3 {font-size:16px}}
@media(max-width:370px) {.exploration-hud {gap:5px;padding-left:8px;padding-right:8px}.exploration-controls {gap:4px}.exploration-controls button {padding:8px;font-size:12px}.exploration-chapter-copy {padding:16px}}
@media(max-height:500px) {#explorationBattle[open] {grid-template-rows:60% 40%}.exploration-hud {padding-top:8px}.exploration-status {bottom:5px;font-size:11px;padding:4px 10px}}