.seal{border-radius:6px;background:var(--red);display:grid;place-items:center;color:var(--bg);flex-shrink:0;line-height:1.1;text-align:center;font-family:var(--font);padding:2px;box-sizing:border-box}.install-banner{background:var(--blue-tint);border-radius:14px;padding:14px 16px;margin-bottom:18px;display:flex;flex-direction:column;gap:10px}.install-banner-title{font-size:18.5px;font-weight:600;color:var(--ink)}.install-banner-body{font-size:16.5px;color:var(--ink-muted);line-height:1.6;margin-top:3px}.home-level-section+.home-level-section{margin-top:28px}.review-card{background:var(--red-tint);border-radius:14px;padding:14px 16px;margin-bottom:18px;display:flex;flex-direction:column;gap:10px}.review-card-title{font-size:18.5px;font-weight:600;color:var(--ink)}.review-card-body{font-size:16.5px;color:var(--ink-muted);line-height:1.6;margin-top:3px}.home-summary{display:flex;align-items:center;gap:14px;background:var(--surface);border-radius:18px;padding:18px 20px;margin-bottom:18px}.home-flower{flex-shrink:0}.home-summary-text{flex:1}.home-level-name{font-size:20px;font-weight:500}.home-lessons-done{font-size:16.5px;color:var(--ink-muted);margin-top:3px}.home-progress-track{height:5px;background:var(--guide);border-radius:3px;margin-top:9px;overflow:hidden}.home-progress-fill{height:100%;background:var(--blue);transition:width .4s}.home-lesson-list{display:flex;flex-direction:column;gap:8px}.lesson-row{display:flex;align-items:center;gap:12px;padding:14px 15px;border-radius:14px;border:1px solid var(--border);font-family:var(--font);text-align:left;width:100%;background:var(--card);cursor:pointer;opacity:1}.lesson-row--available{background:var(--bg)}.lesson-row--locked{opacity:.45;cursor:default}.lesson-badge{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:grid;place-items:center;font-size:16.5px;background:var(--surface);color:var(--ink-muted)}.lesson-badge--done{background:var(--blue);color:#fff}.lesson-row-text{flex:1;min-width:0}.lesson-row-title{font-size:18.5px}.lesson-row-sub{font-size:15px;color:var(--ink-muted);margin-top:2px}.lesson-row-flowers{display:flex;gap:2px}.watch-hero{border-radius:18px;padding:28px 0;display:grid;place-items:center;margin-bottom:16px}.watch-char{font-size:116px;line-height:1}.watch-rr{font-size:20px;color:var(--ink-muted);margin-top:10px}.watch-actions{display:flex;gap:8px;margin-bottom:14px}.watch-name-rr{color:var(--ink-muted);font-size:16px}.watch-note{background:var(--card);border-radius:12px;padding:14px 16px;font-size:18px;color:var(--ink-muted);line-height:1.7;margin-bottom:16px}.write-tools{display:flex;gap:7px;margin-top:12px}.write-tool-btn{flex:1;padding:10px 0;border-radius:11px;font-size:17.5px;cursor:pointer;font-family:var(--font);border:1px solid var(--border);background:var(--card);color:var(--ink)}.write-tool-btn--active{border:1.5px solid var(--ink);background:var(--ink);color:var(--bg)}.write-continue{margin-top:12px}.test-progress{display:flex;gap:4px;margin-bottom:16px}.test-dot{flex:1;height:4px;border-radius:2px}.test-dot--done{background:var(--blue)}.test-dot--current{background:var(--blue-light)}.test-dot--todo{background:var(--guide)}.test-prompt{background:var(--surface);border-radius:18px;padding:30px 0;margin-bottom:18px;display:grid;place-items:center;min-height:120px}.test-char{font-size:100.5px;line-height:1}.test-word{font-size:69px;line-height:1.2}.test-prompt--trace{padding:16px 0;min-height:unset;margin-bottom:12px}.test-play-btn{background:var(--blue);border:none;color:#fff;width:74px;height:74px;border-radius:50%;font-size:37px;cursor:pointer}.test-question{font-size:17.5px;color:var(--ink-muted);margin-bottom:10px;text-align:center}.test-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.test-option{padding:16px 0;border-radius:13px;font-family:var(--font);cursor:pointer;line-height:1.2;color:var(--ink)}.test-option--text{font-size:21.5px}.test-option--char{font-size:39.5px}.test-option--idle{border:1px solid var(--border);background:var(--card)}.test-option--correct{border:2px solid var(--success);background:var(--success-tint)}.test-option--wrong{border:2px solid var(--warning);background:var(--warning-tint)}.intro-hero{background:var(--surface);border-radius:18px;padding:34px 20px;margin-bottom:18px;display:grid;place-items:center;gap:14px}.intro-shapes{display:flex;gap:14px;align-items:center}.intro-shapes span{font-size:58px;color:var(--red)}.intro-caption{font-size:16px;color:var(--ink-muted)}.intro-note{background:var(--card);border-radius:12px;padding:16px 18px;font-size:18.5px;line-height:1.8;white-space:pre-line;margin-bottom:18px}.chart-note{background:var(--card);border-radius:12px;padding:14px 16px;font-size:18px;line-height:1.7;color:var(--ink-muted);white-space:pre-line;margin-bottom:16px}.chart-scroll{overflow-x:auto;margin-bottom:16px}.chart-table{border-collapse:separate;border-spacing:5px;margin:0 auto}.chart-vowel-head{text-align:center;font-size:20px;color:var(--red)}.chart-consonant-head{font-size:20px;color:var(--blue);padding-right:4px}.chart-cell{width:42px;height:42px;border-radius:9px;cursor:pointer;font-family:var(--font);font-size:22.5px;border:1px solid var(--border);background:var(--card);color:var(--ink)}.chart-cell--active{border:1.5px solid var(--ink);background:var(--ink);color:var(--bg)}.chart-preview{background:var(--surface);border-radius:14px;padding:16px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;gap:10px}.chart-preview-cho{font-size:45px;color:var(--blue)}.chart-preview-jung{font-size:45px;color:var(--red)}.chart-preview-op{font-size:18.5px;color:var(--ink-muted)}.words-progress{display:flex;gap:4px;margin-bottom:16px}.words-dot{flex:1;height:4px;border-radius:2px;background:var(--guide)}.words-dot--done{background:var(--blue)}.words-hero{background:var(--surface);border-radius:18px;padding:36px 0;margin-bottom:16px;display:grid;place-items:center;gap:8px}.words-char{font-size:74px;line-height:1.15}.words-meaning{font-size:20px;color:var(--ink-muted)}.words-illus-placeholder{font-size:14.5px;color:var(--guide);margin-top:4px}.words-listen-again{margin-bottom:10px}.lesson-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}.lesson-back-btn{padding:7px 11px}.lesson-header-text{flex:1;min-width:0}.lesson-title{font-size:19px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lesson-subtitle{font-size:15px;color:var(--ink-muted);margin-top:1px}.complete-page{display:grid;place-items:center;gap:18px;padding:30px 0}.complete-flowers{display:flex;gap:8px}.complete-heading{text-align:center}.complete-title{font-size:25.5px;font-weight:600}.complete-lesson-name{font-size:17.5px;color:var(--ink-muted);margin-top:6px}.complete-scores{display:flex;gap:26px;background:var(--card);border-radius:14px;padding:14px 26px}.complete-score{text-align:center}.complete-score-value{font-size:26.5px}.complete-score-value--write{color:var(--blue)}.complete-score-value--test{color:var(--red)}.complete-score-label{font-size:14.5px;color:var(--ink-muted);margin-top:2px}.complete-home-btn{width:100%}.settings-header{display:flex;align-items:center;gap:10px;margin-bottom:16px}.settings-back-btn{padding:7px 11px}.settings-title{font-size:19px;font-weight:500}.settings-help{background:var(--card);border-radius:12px;padding:14px 16px;font-size:17.5px;color:var(--ink-muted);line-height:1.7;margin-bottom:16px}.settings-actions{display:flex;flex-direction:column;gap:8px}.settings-file-input{display:none}.settings-message{margin-top:12px;font-size:16.5px;line-height:1.5}.settings-message--ok{color:var(--success)}.settings-message--error{color:var(--warning)}.settings-danger-zone{margin-top:32px;padding-top:20px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.ios-guide-header{display:flex;align-items:center;gap:10px;margin-bottom:20px}.ios-guide-back-btn{padding:7px 11px}.ios-guide-title{font-size:19px;font-weight:500}.ios-guide-steps{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}.ios-guide-step{position:relative;display:flex;align-items:flex-start;gap:14px;background:var(--card);border-radius:14px;padding:16px}.ios-guide-step-icon{width:34px;height:34px;flex-shrink:0;color:var(--blue)}.ios-guide-step-num{position:absolute;top:-6px;left:-6px;width:20px;height:20px;border-radius:50%;background:var(--ink);color:var(--bg);font-size:14.5px;display:grid;place-items:center}.ios-guide-step-title{font-size:18.5px;font-weight:500}.ios-guide-step-body{font-size:16.5px;color:var(--ink-muted);line-height:1.6;margin-top:3px}.review-header{display:flex;align-items:center;gap:10px;margin-bottom:14px}.review-back-btn{padding:7px 11px}.review-title{font-size:19px;font-weight:500}.app-shell{background:var(--bg);min-height:100vh;font-family:var(--font);color:var(--ink)}.app-container{max-width:430px;margin:0 auto;padding:18px 16px 40px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--border)}.app-title{font-size:26.5px;font-weight:700;letter-spacing:-.02em}.app-tagline{font-size:14.5px;color:var(--ink-muted);margin-top:2px}.app-header-actions{display:flex;align-items:center;gap:8px}.app-lang-switch{display:flex;border:1px solid var(--border);border-radius:9px;overflow:hidden}.app-settings-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:var(--card);color:var(--ink-muted);cursor:pointer;font-size:18.5px;display:grid;place-items:center}.app-lang-btn{padding:6px 11px;border:none;cursor:pointer;font-family:var(--font);font-size:16px;background:var(--card);color:var(--ink-muted)}.app-lang-btn--active{background:var(--ink);color:var(--bg)}.app-loading{padding:60px 0;text-align:center;color:var(--ink-muted);font-size:17.5px}