#lmClozeBtn{height:38px;padding:0 15px;border-radius:12px;border:1px solid #b8caff;background:#f4f7ff;color:#2855df;font-family:inherit;font-size:14px;font-weight:800;line-height:1;display:inline-flex;align-items:center;gap:7px;cursor:pointer;white-space:nowrap}
#lmClozeBtn[hidden]{display:none!important}#lmClozeBtn[aria-pressed=true]{background:#315df5;color:#fff;border-color:#315df5}
.sn-cloze-panel{--cloze-blue:#315df5;box-sizing:border-box;position:relative;border:1px solid #dbe3f2;border-radius:14px;background:#fff;color:#202d43;font:14px/1.75 -apple-system,BlinkMacSystemFont,'Noto Sans KR',sans-serif;margin:8px 0;min-width:0}
.sn-cloze-panel *{box-sizing:border-box}.sn-cloze-panel button,.sn-cloze-panel input{font:inherit}.sn-cloze-panel button{cursor:pointer}.sn-cloze-panel button:disabled{cursor:not-allowed;opacity:.48}
.sn-cloze-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-bottom:1px solid #e6ebf5;flex-wrap:wrap}.sn-cloze-head h2{font-size:15px;line-height:1.5;margin:0;color:#254bd1}.sn-cloze-status{font-size:12px;font-weight:800;color:#59667c}.sn-cloze-body{padding:16px;display:grid;gap:14px;min-width:0}.sn-cloze-card{padding:14px;border:1px solid #e3e9f3;border-radius:12px;background:#fff;min-width:0}.sn-cloze-label{font-size:12px;font-weight:800;color:#65738a;margin-bottom:9px}.sn-cloze-sentence{line-height:2.65;font-weight:600;overflow-wrap:anywhere;word-break:keep-all}.sn-cloze-field{display:inline-flex;align-items:center;gap:4px;vertical-align:middle;max-width:100%;margin:0 3px}.sn-cloze-number{font-size:11px;color:#315df5;font-weight:900}.sn-cloze-answer{width:clamp(90px,19vw,155px);max-width:100%;height:37px;min-width:0;border:1px solid #6988fb;border-radius:8px;padding:0 9px;background:#fff;color:#172b48;font-size:14px!important;box-shadow:none}.sn-cloze-answer:focus{outline:3px solid #dfe8ff;outline-offset:1px}.sn-cloze-answer.is-correct{border-color:#16a56c;background:#f4fbf7}.sn-cloze-answer.is-wrong{border-color:#e95666;background:#fff7f8}.sn-cloze-mark{font-size:13px;font-weight:900}.sn-cloze-mark.good{color:#07995e}.sn-cloze-mark.wrong{color:#d5364b}.sn-cloze-feedback{margin-top:10px;padding:10px 12px;border-radius:9px;background:#f4f7ff;border:1px solid #e1e8f9;font-size:13px;line-height:1.7}.sn-cloze-feedback p{margin:4px 0}.sn-cloze-feedback .good{color:#08734d}.sn-cloze-feedback .wrong{color:#b32c3c}.sn-cloze-feedback details{margin-top:7px}.sn-cloze-feedback summary{cursor:pointer;color:#2653dc;font-weight:700}.sn-cloze-feedback blockquote{margin:8px 0;padding:9px 12px;border-left:3px solid #9fb3ef;white-space:pre-wrap;overflow-wrap:anywhere}.sn-cloze-help{padding:11px 13px;border:1px solid #dfe7f7;border-radius:10px;background:#f6f8ff;color:#596a85;font-size:12px;line-height:1.7}.sn-cloze-help p{margin:2px 0}.sn-cloze-footer{position:static;z-index:2;padding:12px 14px;background:#fff;border-top:1px solid #e5eaf4;display:flex;align-items:center;flex-wrap:wrap;gap:8px;border-radius:0 0 14px 14px}.sn-cloze-save{font-size:11px;line-height:1.5;flex:1 1 145px;color:#6b7890}.sn-cloze-save.is-error{color:#b33440}.sn-cloze-action{border:1px solid #d8e1f2;border-radius:10px;background:#fff;color:#425373;padding:8px 12px;font-weight:800!important;font-size:12px!important;min-height:37px}.sn-cloze-primary{background:#315df5;color:#fff;border-color:#315df5}.sn-cloze-panel.is-direct{position:absolute;inset:0;margin:0;z-index:35;overflow:auto;border-radius:0}.sn-cloze-source-hidden{display:none!important}.app.sn-cloze-active #hwCanvas{visibility:hidden!important;pointer-events:none!important}.sn-cloze-existing-answer{display:none!important}.sn-cloze-coach-note{margin:12px;padding:14px;border:1px solid #dce5f5;border-radius:12px;background:#f5f8ff;color:#536580;font-size:13px;line-height:1.7}
@media(max-width:640px){.sn-cloze-head{padding:12px}.sn-cloze-body{padding:11px;gap:10px}.sn-cloze-card{padding:11px}.sn-cloze-sentence{font-size:14px;line-height:2.9}.sn-cloze-footer{padding:10px;bottom:0}.sn-cloze-save{flex-basis:100%}.sn-cloze-action{flex:1 1 100px;min-height:42px}.sn-cloze-answer{width:116px}.sn-cloze-panel{scroll-padding-bottom:130px}#lmClozeBtn{min-height:38px;max-width:100%}}

.sn-cloze-footer.is-outside{flex:1 1 300px;min-width:0;padding:0;border:0;border-radius:0;font:12px/1.5 -apple-system,BlinkMacSystemFont,"Noto Sans KR",sans-serif}.sn-cloze-footer.is-outside button[hidden]{display:none!important}.sn-cloze-footer.is-outside .sn-cloze-save{flex:1 1 90px}.sn-cloze-footer.is-outside .sn-cloze-action{padding:7px 10px}@media(max-width:640px){.sn-cloze-footer.is-outside{flex-basis:100%}.sn-cloze-footer.is-outside .sn-cloze-save{flex-basis:100%}}

@media(max-width:640px){.app.sn-cloze-active .grid2,.app.js-course.sn-cloze-active .grid2{grid-template-columns:minmax(0,1fr)!important;grid-template-rows:minmax(0,1fr)!important;gap:0!important}.app.sn-cloze-active .book-card{width:100%!important;min-width:0!important;max-width:100%}.app.sn-cloze-active .coach-card,.app.sn-cloze-active #lmChatExpand{display:none!important}.coach-head #lmClozeBtn{height:32px;padding:0 8px;font-size:12px;flex-shrink:0}.app.sn-cloze-active .main{padding-left:12px;padding-right:12px}.app.sn-cloze-active #lmBtnBar{padding-left:10px;padding-right:10px}}

.sn-cloze-notice{position:fixed;z-index:2147483000;top:72px;left:50%;transform:translateX(-50%);width:min(540px,calc(100vw - 24px));padding:13px 15px;display:flex;align-items:center;gap:12px;background:#fff6e8;border:1px solid #efc58d;border-radius:12px;box-shadow:0 8px 24px #24334c22;color:#7c4d10;font:13px/1.6 -apple-system,BlinkMacSystemFont,"Noto Sans KR",sans-serif}.sn-cloze-notice span{flex:1}.sn-cloze-notice button{border:0;background:transparent;font-size:22px;color:inherit;cursor:pointer}
#lmClozeBtn.sn-cloze-mobile-launch{position:fixed;left:16px;bottom:max(16px,env(safe-area-inset-bottom));z-index:1500;width:auto!important;min-width:108px;max-width:calc(100vw - 32px);height:42px;margin:0;padding:0 14px;box-shadow:0 3px 12px #173c2530}
.sn-cloze-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:10px 16px;border-bottom:1px solid #e6ebf5;background:#f8faff}.sn-cloze-ratio-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;white-space:nowrap}.sn-cloze-ratio{appearance:auto;min-width:86px;height:34px;border:1px solid #bcccf0;border-radius:8px;background:white;color:#254bd1;padding:4px 8px;font:700 14px system-ui}.sn-cloze-ratio:focus-visible{outline:3px solid #8cb3ff;outline-offset:2px}.sn-cloze-ratio-note{font-size:12px;color:#64748b;line-height:1.5}@media(max-width:640px){.sn-cloze-controls{padding:10px 12px;gap:6px 10px}.sn-cloze-ratio-note{flex-basis:100%}}