.korean-workbench{padding:0;overflow:clip}.k-top{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:24px 28px;border-bottom:1px solid var(--line);background:#edf2e3}.k-top p{margin:0;font-size:13px}.k-top strong{display:block;margin-bottom:7px}.k-top progress{display:block;width:230px;max-width:100%;height:8px;accent-color:var(--green)}.k-layout{display:grid;grid-template-columns:260px minmax(0,1fr)}.k-sidebar{padding:24px 16px;border-right:1px solid var(--line)}.k-lesson{display:block;width:100%;padding:15px 12px;margin:0 0 8px;border:1px solid transparent;border-radius:12px;background:transparent;text-align:left;color:var(--ink);font:inherit;cursor:pointer}.k-lesson strong{display:block;font-size:14px}.k-lesson span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.k-lesson[aria-pressed=true]{background:#e8efdb;border-color:#afc49b}.k-main{padding:28px;min-width:0}.k-modes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}.k-modes button{border:1px solid var(--line);border-radius:24px;background:transparent;padding:10px 18px;min-height:44px;color:var(--ink);font:inherit;font-size:14px}.k-modes button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.k-main h2{font-size:25px;margin-bottom:12px}.k-main p{font-size:14px;line-height:1.7}.k-card{border:1px solid var(--line);border-radius:16px;background:linear-gradient(150deg,#f7f8ee,#edf2e3);padding:26px;text-align:center;min-height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;margin:24px 0}.k-card .k-position{align-self:flex-start;font-size:12px;color:var(--muted);margin:0}.k-hangul{font-family:ui-sans-serif,system-ui,sans-serif;font-size:clamp(30px,4vw,58px);font-weight:650;line-height:1.5;word-break:keep-all;overflow-wrap:anywhere;letter-spacing:0}.k-card #k-hangul{flex:1;display:flex;align-items:center;margin:15px 0}.k-answer{min-height:100px}.k-answer p{margin:4px 0}.k-answer #k-roman{font-size:16px;color:#47624d}.k-answer #k-meaning{font-size:20px;font-weight:600;color:var(--ink)}.k-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.k-navigation{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0}.k-review-button{margin-top:16px;width:100%}.k-choices{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.k-choice{min-height:64px;padding:15px;border:1px solid #bfcdb8;border-radius:12px;background:#fff;color:var(--ink);font:inherit;font-size:15px;text-align:left;overflow-wrap:anywhere}.k-choice.correct{background:#e3f0d5;border:2px solid #4e7738}.k-choice.incorrect{background:#fae8e3;border:2px solid #a04c39}.k-choice:disabled{opacity:1;cursor:default}.k-feedback{min-height:54px;padding:12px 0}.k-quiz-prompt{text-align:center;background:#edf2e3;padding:20px;border-radius:12px;margin-top:22px}.k-quiz-prompt .k-hangul{margin:12px 0}.k-result{text-align:center;padding:30px 0}.k-score{font-size:64px;color:var(--green);letter-spacing:-.06em;font-weight:650}.k-builder{display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:16px;margin:24px 0;background:#f2f5e8;min-height:200px}.k-builder output{font-size:100px;line-height:1.3;font-weight:600}.k-storage{border-top:1px solid var(--line);padding:18px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.k-storage p{margin:0}.k-reset-confirm{width:100%;padding:16px;background:#fff5df;border-radius:10px}.k-reset-confirm p{margin-bottom:12px}.k-reference{border-top:1px solid var(--line);padding:20px 0}.k-reference summary{font-weight:650;cursor:pointer;min-height:44px}.k-reference-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:0;list-style:none}.k-reference-list li{background:#fffefa;border:1px solid var(--line);border-radius:12px;padding:18px}.k-reference-list strong{font-size:23px;display:block;line-height:1.5;word-break:keep-all;overflow-wrap:anywhere}.k-reference-list span{font-size:13px;display:block;margin-top:6px}.k-reference-list small{display:block;color:var(--muted);margin-top:7px;line-height:1.6}.k-sources a{text-decoration:underline}.k-guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.k-guide-grid h3{font-size:20px}.k-guide-grid p{font-size:15px}.k-pill{display:inline-block;border:1px solid #c6d4ba;border-radius:20px;padding:5px 12px;font-size:12px;margin:12px 7px 0 0;background:#edf2e3}
.k-breadcrumb{margin-bottom:22px;font-size:12px;color:var(--muted)}.k-breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}.k-breadcrumb li+li:before{content:'›';margin-right:8px}.k-breadcrumb a,.k-lesson-links a{text-decoration:underline;text-underline-offset:3px}.k-lesson-links{display:flex;flex-wrap:wrap;gap:10px 20px;margin:20px 0;font-size:14px}.k-lesson-links a{padding:8px 0}.k-reference:target{scroll-margin-top:24px;background:#eef3e5}
@media(max-width:850px){.k-layout{grid-template-columns:1fr}.k-sidebar{border-right:0;border-bottom:1px solid var(--line);padding:16px}.k-lessons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.k-lesson{margin:0}.k-review-button{width:auto}.k-main{padding:22px}.k-top{padding:20px}.k-guide-grid{grid-template-columns:1fr;gap:14px}}
@media(max-width:520px){.k-top{flex-direction:column;align-items:flex-start;gap:12px}.k-top progress{width:200px}.k-main{padding:16px}.k-card{padding:16px;min-height:300px}.k-choices,.k-reference-list{grid-template-columns:1fr}.k-modes{gap:6px}.k-modes button{padding:9px 12px;font-size:12px}.k-lesson{padding:12px 8px}.k-lesson strong{font-size:12px}.k-lesson span{font-size:11px}.k-actions .tool-button{flex:1}.k-storage{padding:18px 16px}.k-score{font-size:52px}.k-hangul{font-size:30px}.korean-workbench .toolbar label{width:100%}.k-builder output{font-size:84px}}
.k-path-label{display:block;font-size:13px;font-weight:650;margin:0 0 8px}.k-path{display:block;width:100%;min-width:0;max-width:100%;min-height:44px;margin:0 0 16px;padding:10px 8px;border:1px solid #afc49b;border-radius:8px;background:#fffefa;color:var(--ink);font:inherit;font-size:13px}.k-guide-grid a{text-decoration:underline;text-underline-offset:3px}.k-guide-grid+.k-guide-grid{margin-top:24px}
.k-actions .tool-button,.k-answer p{word-break:keep-all;overflow-wrap:anywhere}