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.translation-reveal>span{filter:blur(5px);-webkit-user-select:none;user-select:none;font-size:.78em;line-height:1.7;transition:filter .18s;display:block}.practice-layout .translation-reveal.is-revealed>span{filter:none;-webkit-user-select:text;user-select:text}.practice-layout .lookup-word{cursor:pointer;border-radius:4px;transition:color .14s,background .14s}.practice-layout .lookup-word:hover,.practice-layout .lookup-word:focus-visible{color:#a45b00;background:var(--practice-brand-soft);outline:none}.practice-layout .lookup-word.is-favorite-word{color:#34c759}.practice-layout .is-question-underline{text-underline-offset:3px;text-decoration-line:underline;text-decoration-style:solid;text-decoration-color:currentColor}.practice-layout .is-favorite-sentence{text-underline-offset:3px;text-decoration-line:underline;text-decoration-style:solid;text-decoration-color:#007aff}.practice-layout .has-corpus-note{background:#ffcc0059;border-radius:2px}.practice-layout .inline-question-list{gap:18px;margin-top:22px;display:grid}.practice-layout .inline-question-card{border:1px solid var(--practice-line);background:#fff;border-radius:17px;padding:22px;transition:border-color .16s,box-shadow .16s;box-shadow:0 4px 14px #442f1809}.practice-layout .inline-question-card.is-current{border-color:#ff980080;box-shadow:0 0 0 3px #ff980012}.practice-layout .inline-question-card>header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.practice-layout .inline-question-card>header>div:first-child{align-items:baseline;gap:7px;display:flex}.practice-layout .inline-question-card>header strong{font-size:15px}.practice-layout .inline-question-card>header span{color:var(--practice-tertiary);font-size:11px}.practice-layout .inline-question-tools{gap:6px;display:flex}.practice-layout .inline-question-actions{align-items:center;gap:6px;display:flex}.practice-layout 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0;border:0;width:100%;height:16px;margin:0}.practice-layout .audio-progress input:focus-visible{outline-offset:2px;border-radius:999px;outline:3px solid #ff980038}.practice-layout .audio-progress input::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--practice-brand) 0 var(--audio-progress), var(--practice-line) var(--audio-progress) 100%);border-radius:999px;height:4px}.practice-layout .audio-progress input::-webkit-slider-thumb{appearance:none;background:var(--practice-brand);border:0;border-radius:50%;width:12px;height:12px;margin-top:-4px;box-shadow:0 1px 4px #ff98004d}.practice-layout .audio-progress input:active::-webkit-slider-thumb{width:16px;height:16px;margin-top:-6px}.practice-layout .audio-progress input::-moz-range-track{background:var(--practice-line);border:0;border-radius:999px;height:4px}.practice-layout .audio-progress input::-moz-range-progress{background:var(--practice-brand);border-radius:999px;height:4px}.practice-layout .audio-progress 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.word-favorite-icon:hover{background:#f5f1eb}.practice-layout .word-favorite-icon.active{color:#ffb800}.practice-layout .word-favorite-icon:disabled{cursor:wait;opacity:.55}.practice-layout .word-favorite-icon>.ios-symbol{width:20px;height:20px}.practice-layout .word-detail-sheet{width:min(680px,100%)}.practice-layout .word-detail-sheet .modal-title{align-items:flex-start;margin-bottom:8px}.practice-layout .word-detail-sheet .eyebrow{color:#b86600;letter-spacing:.06em;margin:0 0 4px;font-size:10px;font-weight:750}.practice-layout .word-detail-sheet .modal-title h2{font-family:Apple SD Gothic Neo,Noto Sans KR,sans-serif;font-size:28px}.practice-layout .word-detail-sheet .modal-title small{color:var(--practice-secondary);margin-top:4px;font-size:12px;display:block}.practice-layout .word-lookup-loading{min-height:64px;color:var(--practice-secondary);align-items:center;gap:10px;font-size:13px;display:flex}.practice-layout .word-lookup-loading i{border:2px solid 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.topik-level.level-2{color:#fff;background:#9e9e9e}.practice-layout .word-lookup-meta .topik-level.level-3,.practice-layout .word-lookup-meta .topik-level.level-4{color:#fff;background:#2196f3}.practice-layout .word-lookup-meta .topik-level.level-5,.practice-layout .word-lookup-meta .topik-level.level-6{color:#fff;background:#4caf50}.practice-layout .word-lookup-meta .origin-native{color:#2196f3;background:#2196f326}.practice-layout .word-lookup-meta .origin-sinoKorean{color:#388e3c;background:#4caf5026}.practice-layout .word-lookup-meta .origin-loanword{color:#e07b00;background:#ff980026}.practice-layout .word-lookup-meta .origin-hybrid{color:var(--practice-secondary);background:#8080801f}.practice-layout .word-definitions{gap:12px;display:grid}.practice-layout .word-definitions>div{grid-template-columns:52px minmax(0,1fr);align-items:baseline;gap:10px;display:grid}.practice-layout .word-definitions small{color:var(--practice-secondary);font-size:12px;font-weight:800}.practice-layout 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.edge-tts-button .mini-spinner{border-color:#ff980047;border-top-color:var(--practice-brand);width:14px;height:14px}.practice-layout .word-audio-list .edge-tts-button.is-playing .ios-symbol,.practice-layout .word-audio-list .edge-tts-button.is-failed .ios-symbol{width:15px;height:15px}.practice-layout .mini-spinner{border:2px solid #efd8b8;border-top-color:var(--practice-brand);border-radius:50%;width:13px;height:13px;animation:.75s linear infinite practice-spin;display:inline-block}.practice-layout .word-detail-sheet{background:var(--practice-modal);border-radius:24px;flex-direction:column;width:min(760px,100%);height:min(88dvh,840px);max-height:min(88dvh,840px);padding:0;display:flex;position:relative;overflow:hidden}.practice-layout .word-detail-header{z-index:2;background:var(--practice-modal);flex:none;padding:28px 28px 8px;position:relative}.practice-layout .word-detail-close{z-index:3;width:34px;height:34px;color:var(--practice-tertiary);cursor:pointer;background:0 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audio{width:100%;margin:0}.audio-player>div{flex-wrap:wrap;align-items:center;gap:7px;margin-top:8px;display:flex}.audio-player button,.audio-player select{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:6px;padding:6px 9px}.audio-player label{color:var(--muted);align-items:center;gap:5px;font-size:11px;display:flex}.audio-player .audio-error{color:#8c3326;border-color:#d9a095}.translation{color:var(--muted);font-size:.78em}.media-link{color:var(--green);margin:14px 0;font-size:12px;text-decoration:underline;display:block}.question-image{object-fit:contain;width:auto;max-height:420px;margin:24px auto;display:block}.question-image-button{cursor:zoom-in;background:0 0;border:0;width:100%;padding:0;display:block}.question-image-button span{color:var(--muted);text-align:center;margin-top:-18px;font-size:10px;display:block}.options{gap:10px;margin-top:24px;display:grid}.options button{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fbfbf7;border-radius:9px;grid-template-columns:34px 1fr;align-items:center;gap:10px;min-height:58px;padding:13px 16px;display:grid}.options button:hover{border-color:#9eb2a5}.options button:disabled{color:inherit;opacity:1;cursor:default}.options button.selected{border-color:var(--brand);box-shadow:0 0 0 2px #ff98001f}.options button.correct{background:#e5f0e7;border-color:#73a088}.options button.wrong{background:#fae5df;border-color:#d58170}.option-label{color:var(--green);font-size:22px}.options button>span:last-child{gap:5px;display:grid}.options button img{object-fit:contain;max-height:180px}.options small{color:var(--muted)}.writing-readonly{border-left:4px solid var(--coral);background:#f6e9e3;margin-top:28px;padding:20px}.writing-readonly p{color:var(--muted);margin:5px 0 0;font-size:12px}.explanation{border-left:4px solid var(--coral);background:#f8e7e2;margin-top:26px;padding:20px;font-size:13px;line-height:1.75}.explanation.success{border-color:var(--success);background:var(--success-soft)}.explanation>p{white-space:pre-wrap;margin:8px 0 0}.explanation-grid{margin-top:12px}.explanation-grid p{gap:4px;margin-bottom:12px;display:grid}.explanation-grid b{color:var(--muted);text-transform:uppercase;font-size:10px}.context-panel{border:1px solid var(--line);background:#fffffbb3;border-radius:12px;align-self:start;padding:20px;position:sticky;top:110px}.context-stat{border-bottom:1px solid var(--line);justify-content:space-between;padding:11px 0;font-size:12px;display:flex}.quiet-note{color:var(--muted);margin:20px 0 0;font-size:11px;line-height:1.7}.retry-button{color:#8c3326;border-color:#e0a69a;width:100%;margin-top:12px}.practice-footer{z-index:14;border-top:1px solid var(--line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffbf0;justify-content:center;align-items:center;gap:16px;min-height:72px;padding:12px 24px;display:flex;position:fixed;bottom:0;left:0;right:0}.practice-footer button{min-width:110px}.practice-footer button:disabled{opacity:.4}.progress-track{background:#e0e1da;border-radius:4px;width:min(360px,30vw);height:4px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--green);height:100%;transition:width .2s;display:block}.practice-footer .danger-text{color:#a34c3b;background:0 0;border:0;min-width:0}.modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#1a1f1b59;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.answer-card,.note-modal{background:var(--paper);border-radius:16px;width:min(580px,100%);max-height:85vh;padding:30px;overflow:auto;box-shadow:0 30px 80px #0000002e}.modal-title{justify-content:space-between;align-items:center;margin-bottom:22px;display:flex}.modal-title h2{margin:0}.modal-title button{cursor:pointer;background:#eee;border:0;border-radius:50%;width:34px;height:34px}.answer-card h3{margin-top:24px;font-size:13px}.answer-grid{grid-template-columns:repeat(10,1fr);gap:7px;display:grid}.answer-grid button{aspect-ratio:1;border:1px solid var(--line);cursor:pointer;background:#f3f3ee;border-radius:5px}.answer-grid button.answered{color:#fff;background:var(--green)}.answer-grid button.marked{box-shadow:inset 0 -3px var(--coral)}.answer-grid button.current{outline:2px solid var(--yellow)}.note-modal textarea{resize:vertical;line-height:1.7}.note-modal .primary-button{margin-top:16px}.existing-notes{gap:7px;margin-bottom:14px;display:grid}.existing-notes button{border:1px solid var(--line);text-align:left;text-overflow:ellipsis;white-space:nowrap;cursor:pointer;background:#f5f5ef;border-radius:7px;padding:10px 12px;overflow:hidden}.existing-notes button.active{border-color:var(--green);background:var(--green-soft)}.recovery-modal{background:var(--paper);border-radius:16px;width:min(520px,100vw - 40px);padding:30px;box-shadow:0 30px 80px #0000002e}.recovery-modal>p:not(.eyebrow){color:var(--muted);line-height:1.7}.recovery-modal>div{justify-content:flex-end;gap:10px;margin-top:24px;display:flex}.recovery-modal button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:8px;padding:12px 16px}.image-preview{background:var(--paper);border-radius:14px;width:min(1000px,100vw - 40px);max-height:calc(100vh - 40px);padding:18px;position:relative;overflow:auto}.image-preview>button{z-index:1;float:right;background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:50%;width:38px;height:38px;position:sticky;top:0}.image-preview img{width:auto;max-width:100%;margin:auto;display:block}@media (width<=960px){.topbar{-webkit-backdrop-filter:none;backdrop-filter:none;padding:0 18px}.paper-grid,.skill-grid{grid-template-columns:repeat(2,1fr)}.practice-body{grid-template-columns:60px minmax(0,1fr);gap:18px}.context-panel{display:none}.auth-page{grid-template-columns:1fr}.auth-intro{display:none}.auth-card{margin:60px auto}}@media (width<=680px){.page{width:min(100% - 28px,1180px);padding-top:34px}.topbar{height:60px}.account-name{display:none}.welcome-row,.section-heading,.page-heading{flex-direction:column;align-items:stretch}.member-card{min-width:0}.stats-grid{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}.paper-grid,.skill-grid,.lower-grid{grid-template-columns:1fr}.section-block{padding:20px}.history-table article{grid-template-columns:10px 1fr auto;gap:12px}.history-table article>span:nth-of-type(2),.history-table article>strong{display:none}.collection-list article{grid-template-columns:42px 1fr;gap:12px;padding:17px}.collection-index{width:38px;height:38px}.review-hero{padding:34px 18px}.review-hero h1{font-size:60px}.review-hero>div{grid-template-columns:1fr 1fr}.auth-card{width:calc(100% - 28px);padding:30px 22px}.practice-header{grid-template-columns:46px 1fr auto;padding:8px 12px}.practice-title strong{text-overflow:ellipsis;white-space:nowrap;max-width:150px;overflow:hidden}.save-state{text-overflow:ellipsis;white-space:nowrap;max-width:64px;display:block;overflow:hidden}.practice-status{gap:5px}.timer{min-width:66px;font-size:12px}.practice-body{padding:15px 10px 100px;display:block}.question-rail{justify-content:flex-start;align-items:baseline;padding:8px 10px;display:flex;position:static}.question-rail>span{font-size:30px}.rail-line,.question-rail button{display:none}.question-stage{border-radius:11px;padding:22px 18px 30px}.question-toolbar{flex-wrap:wrap;margin-bottom:20px}.question-toolbar>div{width:100%;margin-left:0}.question-content{word-break:normal}.options button{grid-template-columns:28px 1fr;padding:12px}.practice-footer{padding:10px 10px max(10px, env(safe-area-inset-bottom));justify-content:space-between;gap:7px}.practice-footer button{min-width:0;padding:10px;font-size:12px}.progress-track,.practice-footer .danger-text{display:none}.audio-player>div{align-items:stretch}.audio-player button,.audio-player label{flex:auto;justify-content:center}.recovery-modal>div{flex-direction:column;align-items:stretch}.answer-grid{grid-template-columns:repeat(7,1fr)}.conflict-banner{flex-direction:column;align-items:flex-start;gap:4px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}