.en-mode{font-size:16px;line-height:1.7;min-width:0;padding-bottom:40px}.en-mode *{min-width:0}.en-mode h2{font-size:1.4rem;line-height:1.5;margin:0 0 14px}.en-mode h3{font-size:1.1rem;line-height:1.5;margin:0 0 8px}.en-mode p{overflow-wrap:anywhere}.en-mode label{display:grid;gap:6px;font-size:.95rem}.en-mode input,.en-mode select{font-size:1rem;min-height:44px}.en-mode input[type=checkbox]{width:22px;height:22px;min-height:22px;accent-color:var(--accent)}.en-mode a{overflow-wrap:anywhere}.en-mode button,.en-mode a.en-button{font-size:.95rem}.en-icon,.en-symbol{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.en-symbol{width:32px;height:32px}.en-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.en-segment{display:flex;flex-wrap:wrap;gap:4px;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.en-segment button{padding:8px 18px;border-color:transparent}.en-segment button[aria-pressed=true]{background:var(--accent);color:var(--panel)}.en-badge{display:inline-block;max-width:100%;border:1px solid var(--line);border-radius:7px;padding:3px 9px;font-size:.8rem;line-height:1.6;color:var(--muted);background:var(--panel)}.en-notice{border-left:3px solid var(--accent);padding:10px 16px;background:var(--soft);border-radius:0 10px 10px 0;margin:14px 0 20px}.en-nav{display:flex;gap:7px;overflow-x:auto;padding:3px 0 14px;scrollbar-width:thin}.en-nav a,.en-button{display:inline-flex;gap:8px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--panel);text-decoration:none;padding:8px 13px;min-height:44px;white-space:nowrap;font-size:.9rem}.en-nav a[aria-current=page]{color:var(--accent);background:var(--soft);border-color:var(--accent)}.en-search{position:relative;margin:0 0 18px}.en-search input{padding-left:44px}.en-search>.en-icon{position:absolute;top:13px;left:13px;color:var(--muted)}.en-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.en-card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px}.en-card-link{display:flex;flex-direction:column;align-items:flex-start;color:inherit;text-decoration:none;gap:8px;transition:border-color .15s}.en-card-link:hover{border-color:var(--accent)}.en-card-link>.en-icon{color:var(--accent);width:28px;height:28px;margin-bottom:6px}.en-card-link p{color:var(--muted);font-size:.95rem;margin:0}.en-card-link small{margin-top:auto;color:var(--accent);font-size:.85rem}.en-dashboard{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr);gap:20px;margin:8px 0 22px}.en-dashboard .en-card{background:var(--soft)}.en-dashboard .en-diagram{max-height:190px}.en-kicker{font-size:.85rem;color:var(--muted);margin:0 0 8px}.en-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.en-row.spread{justify-content:space-between}.en-columns{display:grid;grid-template-columns:minmax(190px,.7fr) minmax(0,1.8fr);gap:20px;align-items:start}.en-lesson-list{max-height:75vh;overflow:auto}.en-lesson-list a{display:block;padding:9px 12px;border-left:3px solid transparent;text-decoration:none;color:inherit;font-size:.95rem}.en-lesson-list a[aria-current=page]{border-color:var(--accent);background:var(--soft);color:var(--accent)}.en-lesson-list small{display:block;color:var(--muted)}.en-lesson-list h3{padding:8px 12px;margin:0}.en-step{background:var(--soft);padding:16px;border-radius:10px;margin:16px 0}.en-reference{border-top:1px solid var(--line);margin-top:20px;padding-top:12px;font-size:.9rem}.en-reference summary{cursor:pointer;color:var(--accent);min-height:35px;padding:5px 0}.en-source{color:var(--muted);font-size:.85rem}.en-diagram{display:block;width:100%;height:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;margin:14px 0;color:inherit}.en-lines{stroke:currentColor;stroke-width:1.6;stroke-linejoin:round;fill:none}.en-zone{fill:var(--soft);stroke:var(--accent);stroke-dasharray:6 4}.en-fill{fill:var(--soft)}.en-white{fill:var(--panel)}.en-center{stroke:var(--muted);stroke-dasharray:9 4 2 4}.en-accent{stroke:var(--accent);stroke-width:2.5;fill:none}.en-accent-fill{fill:var(--accent)}.en-svg-text,.en-diagram text{fill:currentColor;stroke:none;font-family:inherit;font-size:14px}.en-fcf{display:inline-flex;max-width:100%;border:2px solid currentColor;background:var(--panel);font-size:1.3rem;line-height:1.5;overflow-x:auto;vertical-align:middle}.en-fcf>span{padding:8px 11px;white-space:nowrap;display:flex;align-items:center;justify-content:center}.en-fcf>span+span{border-left:2px solid currentColor}.en-fcf .en-symbol{width:28px;height:28px}.en-symbol-card{display:flex;flex-direction:column;gap:8px}.en-symbol-card button{display:flex;align-items:center;gap:12px;text-align:left;width:100%;padding:12px}.en-symbol-card small{color:var(--muted)}.en-symbol-detail{margin:20px 0}.en-dl{display:grid;grid-template-columns:minmax(130px,1fr) minmax(0,2fr);gap:8px 18px;margin:16px 0}.en-dl dt{color:var(--muted)}.en-dl dd{margin:0}.en-checks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.en-checks>div{padding:14px;border:1px solid var(--line);border-radius:10px}.en-good{color:#096d53}.en-bad{color:#a72644}body.dark .en-good{color:#6bddc8}body.dark .en-bad{color:#ffa0b6}.en-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.en-form .en-full{grid-column:1/-1}.en-form label.en-inline{display:flex;align-items:center;gap:10px}.en-output{margin-top:20px;padding:18px;background:var(--soft);border-radius:12px}.en-output:empty{display:none}.en-output h3{margin:0}.en-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}.en-mode table{border-collapse:collapse;width:100%;min-width:600px;text-align:left;background:var(--panel)}.en-mode th,.en-mode td{padding:14px;border-bottom:1px solid var(--line);vertical-align:top}.en-mode th{background:var(--soft);font-weight:600}.en-quiz-options{display:grid;gap:10px;margin:18px 0}.en-quiz-options button{text-align:left;padding:15px}.en-quiz-options [aria-pressed=true]{border-color:var(--accent);background:var(--soft)}.en-feedback{padding:14px 0}.en-feedback ul{padding-left:23px}.en-result-item{display:block;padding:16px;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}.en-result-item:hover{background:var(--soft)}.en-result-item span{display:block;font-size:.85rem;color:var(--muted)}.en-symbol-filter{margin:16px 0}.en-projection{display:grid;grid-template-columns:1fr 1.5fr;gap:16px}.en-word-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.en-mode progress{accent-color:var(--accent);width:100%;height:9px}.en-list{display:grid;gap:12px}.en-mode .en-main-title:focus{outline:none}.en-mode [role=alert]{border-left:3px solid #a72644;padding:8px 12px}.en-save-status{min-height:28px;color:var(--muted);font-size:.9rem}.en-standard-card{margin-top:14px}.en-surface-tabs{display:flex;flex-wrap:wrap;gap:8px}.en-empty{padding:25px;text-align:center;border:1px dashed var(--line);border-radius:12px}.en-top .en-badge{overflow-wrap:anywhere}
.en-nav a,.en-fcf>span{flex-shrink:0}.en-symbol-card .en-button{white-space:normal;text-align:center}
.en-memory-grid,.en-compare-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.en-memory-grid{margin:22px 0}.en-comparisons{display:grid;gap:18px}.en-reference-toolbar{margin:12px 0 18px;font-size:.9rem;color:var(--muted)}.en-reference-toolbar button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}.en-search-filter{display:flex;flex-wrap:wrap;gap:6px;margin:-5px 0 14px}.en-search-filter button{padding:7px 13px;min-height:40px}.en-search-filter [aria-pressed=true]{background:var(--accent);color:var(--panel)}.en-hole-zone{fill:var(--soft);stroke:var(--accent);stroke-width:2}.en-shaft-zone{fill:var(--panel);stroke:currentColor;stroke-width:2;stroke-dasharray:5 3}.en-fit-diagram{max-height:370px}.en-value{font-size:1.3rem;font-weight:600}.en-mode [data-surface-builder-result] .en-diagram{max-height:360px}.en-compare-columns>div+div{border-left:1px solid var(--line);padding-left:18px}.en-mode h4{margin:14px 0 8px}.en-mode [data-surface-builder-result] li{margin:9px 0}
@media(max-width:760px){.en-memory-grid,.en-compare-columns{grid-template-columns:1fr}.en-compare-columns>div+div{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:12px}.en-reference-toolbar{align-items:flex-start}.en-fit-diagram{min-height:170px}.en-search-filter{gap:5px}.en-search-filter button{flex:1 0 auto}.en-mode [data-surface-builder-result] .en-diagram{min-height:180px}}
@media(max-width:1150px){.en-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.en-columns{grid-template-columns:minmax(170px,.65fr) minmax(0,1.7fr)}}
@media(max-width:760px){.en-mode{font-size:1rem}.en-grid,.en-columns,.en-dashboard,.en-projection{grid-template-columns:1fr}.en-card{padding:17px}.en-top{align-items:stretch}.en-segment{width:100%}.en-segment button{flex:1}.en-lesson-list{max-height:210px}.en-checks{grid-template-columns:1fr}.en-dl{grid-template-columns:1fr;gap:3px}.en-dl dd{margin-bottom:10px}.en-nav{margin-right:-4px}.en-fcf{font-size:1.05rem}.en-fcf>span{padding:7px 8px}.en-fcf .en-symbol{width:23px;height:23px}.en-form{gap:12px}.en-symbol-card p{font-size:.95rem}.en-svg-text,.en-diagram text{font-size:15px}}
@media(max-width:400px){.en-form{grid-template-columns:1fr}.en-row.spread{align-items:flex-start;flex-direction:column}.en-mode .en-segment button{padding:8px}.en-grid{gap:12px}}

@media(max-width:760px){.en-fit-diagram text,.en-mode [data-surface-builder-result] .en-diagram text{font-size:24px}}