:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-synthesis:none;text-rendering:optimizelegibility;--canvas:#fbfbfd;--surface:#fff;--surface-elevated:#ffffffd1;--surface-muted:#f4f4f6;--ink:#111;--ink-soft:#6e6e73;--ink-faint:#9a9aa0;--korea-blue:#0047a0;--korea-blue-bright:#0b5ebc;--korea-blue-soft:#e7f0fb;--korea-red:#cd2e3a;--korea-red-soft:#fbeaec;--line:#11111114;--line-strong:#11111124;--shadow-sm:0 1px 2px #00000008, 0 8px 28px #00000009;--shadow-lg:0 24px 70px #00000021;--radius-card:22px;--radius-control:14px;--sidebar-width:230px;--ease:cubic-bezier(.2, .8, .2, 1);font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Apple SD Gothic Neo,Noto Sans KR,PingFang SC,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: 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0;border:0;border-radius:14px;align-items:center;gap:12px;padding:0 13px;display:flex}.nav-item:hover{background:var(--surface);color:var(--ink)}.nav-item:active{transform:scale(.985)}.nav-item.is-active{color:var(--korea-blue);background:var(--surface);box-shadow:var(--shadow-sm);font-weight:650}.sidebar-footer{gap:12px;margin-top:auto;padding:0 8px;display:grid}.connection-pill{min-height:36px;color:var(--korea-blue);align-items:center;gap:8px;font-size:12px;display:flex}.connection-pill.is-offline{color:var(--korea-red)}.text-button{color:var(--ink-soft);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:0;font-size:13px;display:inline-flex}.main-surface{min-height:100vh;margin-left:var(--sidebar-width)}.content-wrap{width:min(1120px,100% - 56px);margin:0 auto;padding:54px 0 80px}.mobile-header,.bottom-nav{display:none}.view-enter{animation:view-in .2s var(--ease) both}@keyframes 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var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm)}.card--compact{border-radius:18px}.primary-button,.secondary-button{border-radius:var(--radius-control);cursor:pointer;min-height:44px;transition:transform .16s var(--ease), background .16s var(--ease), border-color .16s var(--ease), opacity .16s var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 17px;font-weight:650;display:inline-flex}.primary-button{background:var(--korea-blue);color:#fff;box-shadow:0 8px 22px color-mix(in srgb, var(--korea-blue) 18%, transparent)}.primary-button:hover{background:var(--korea-blue-bright)}.secondary-button{background:var(--surface);border-color:var(--line-strong);color:var(--ink)}.secondary-button:hover{background:var(--surface-muted)}.primary-button:active,.secondary-button:active,.icon-button:active{transform:scale(.975)}.primary-button:disabled,.secondary-button:disabled{opacity:.38;cursor:default;transform:none}.icon-button{border:1px solid var(--line);background:var(--surface-elevated);cursor:pointer;width:44px;height:44px;transition:transform .16s var(--ease), background .16s var(--ease);border-radius:14px;place-items:center;display:grid}.icon-button:hover{background:var(--surface-muted)}.icon-button--small{border-radius:11px;width:36px;height:36px}.icon-button--accent{background:var(--korea-blue-soft);color:var(--korea-blue);border-color:#0000}.progress-orb{justify-items:center;gap:8px;display:grid}.progress-orb__ring{--progress-angle:0deg;aspect-ratio:1;background:conic-gradient(var(--korea-red) 0deg, var(--korea-red) calc(var(--progress-angle) / 2), var(--korea-blue) calc(var(--progress-angle) / 2), var(--korea-blue) var(--progress-angle), var(--surface-muted) var(--progress-angle));width:88px;box-shadow:inset 0 0 0 1px var(--line);border-radius:50%;place-items:center;display:grid}.progress-orb__center{aspect-ratio:1;background:var(--surface);border-radius:50%;justify-content:center;align-items:baseline;gap:2px;width:68px;padding-top:23px;display:flex;box-shadow:0 2px 9px #0000000d}.progress-orb__center 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span{align-items:center;gap:7px;display:flex}.summary-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.summary-dot--blue{background:var(--korea-blue)}.summary-dot--red{background:var(--korea-red)}.summary-sync{margin-left:auto}.question-card{width:min(100%,760px);margin:0 auto;overflow:hidden}.question-meta{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;padding:17px 22px;display:flex}.question-meta>div{align-items:center;gap:10px;display:flex}.type-chip,.status-chip{background:var(--korea-blue-soft);min-height:26px;color:var(--korea-blue);border-radius:8px;align-items:center;padding:0 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span:last-child{background:var(--korea-blue);mix-blend-mode:multiply;bottom:0;right:0}.prompt-box{text-align:left;background:var(--surface-muted);border:1px solid var(--line);border-radius:16px;width:100%;margin-top:18px;padding:18px}.prompt-box pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:240px;color:var(--ink-soft);font-size:12px;line-height:1.55;overflow:auto}.job-actions{justify-content:flex-end;gap:10px;margin-top:14px;display:flex}.job-message{color:var(--korea-blue);margin:12px 0 0;font-size:13px}.job-message.is-error{color:var(--korea-red)}.loading-card{min-height:240px;color:var(--ink-soft);align-content:center;place-items:center;gap:12px;display:grid}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.notice{border-radius:14px;justify-content:space-between;align-items:center;gap:10px;padding:14px 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span{color:var(--ink-soft);font-size:12px;line-height:1.45}.conflict-notice__actions{flex:none;align-items:center;gap:12px;display:flex}.results-grid{grid-template-columns:repeat(2,1fr);gap:12px;display:grid}.result-card{gap:15px;padding:18px;display:flex}.result-index{background:var(--surface-muted);width:34px;height:34px;color:var(--ink-soft);border-radius:11px;flex:none;place-items:center;font-weight:700;display:grid}.result-index--normal,.result-index--mastered{background:var(--korea-blue-soft);color:var(--korea-blue)}.result-index--difficult,.result-index--forgotten{background:var(--korea-red-soft);color:var(--korea-red)}.result-card p{color:var(--ink-soft);margin:5px 0 10px;line-height:1.5}.result-card div>span{font-size:18px}.standalone-button{justify-self:center}.practice-section{gap:12px;display:grid}.practice-card{gap:14px;padding:20px;display:grid}.practice-card>p{margin:0;font-size:17px;line-height:1.55}.practice-card label{color:var(--ink-soft);gap:7px;font-size:13px;display:grid}.practice-card textarea{width:100%;min-height:84px;padding:14px 16px;font-size:18px;line-height:1.5}.practice-card .secondary-button{justify-self:start}.practice-saved{color:var(--korea-blue);grid-template-columns:auto 1fr;align-items:center;gap:5px 8px;display:grid}.practice-saved small{color:var(--ink-soft);grid-column:2}.confirmation-list{gap:12px;display:grid}.confirmation-card{justify-content:space-between;align-items:center;gap:24px;padding:20px;display:flex}.confirmation-card>div:first-child{gap:7px;display:grid}.confirmation-card span,.confirmation-card small{color:var(--ink-soft);font-size:12px}.confirmation-card strong{font-size:23px}.confirmation-card p{color:var(--ink-soft);margin:0}.confirmation-choice{background:var(--surface-muted);border-radius:14px;gap:7px;padding:4px;display:flex}.confirmation-choice button{min-height:40px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:10px;padding:0 13px}.confirmation-choice button.is-active{background:var(--korea-blue-soft);color:var(--korea-blue);font-weight:650}.confirmation-choice button.is-difficult{background:var(--korea-red-soft);color:var(--korea-red)}.context-form{gap:18px;padding:clamp(20px,4vw,30px);display:grid}.section-title{justify-content:space-between;align-items:center;gap:16px;display:flex}.section-title>div{gap:4px;display:grid}.section-title span{font-size:17px;font-weight:700}.section-title p{color:var(--ink-soft);margin:0;font-size:13px}.context-form>textarea{width:100%;padding:18px;font-size:18px;line-height:1.7}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.context-form label{gap:7px;display:grid}.context-form label input,.context-form label textarea{width:100%;min-height:44px;padding:13px 14px}.span-list{flex-wrap:wrap;gap:8px;display:flex}.span-list button{border:1px solid color-mix(in srgb, var(--korea-red) 16%, 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var(--line);border-radius:16px;margin-top:18px;padding:18px}.proposal-top{color:var(--ink-soft);justify-content:space-between;font-size:12px;display:flex}.proposal-top>div{align-items:center;gap:9px;display:flex}.proposal-top strong{color:var(--ink);font-size:20px}.proposal-card h3{margin:15px 0 5px}.proposal-card>p{color:var(--ink-soft);margin:0 0 15px}.example-pair{border-left:2px solid var(--korea-blue);gap:4px;padding-left:12px;display:grid}.example-pair span:first-child{font-size:17px}.example-pair span:last-child{color:var(--ink-soft);font-size:13px}.proposal-actions{justify-content:flex-end;gap:8px;margin-top:18px;display:flex}.proposal-editor{border:1px solid color-mix(in srgb, var(--korea-blue) 18%, transparent);background:var(--surface);border-radius:14px;gap:9px;margin-top:18px;padding:16px;display:grid}.proposal-editor label{color:var(--ink-soft);gap:7px;font-size:12px;font-weight:650;display:grid}.proposal-editor input{width:100%;min-height:46px;padding:0 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var(--korea-red));border-radius:inherit;height:100%;display:block}.difficult-list{margin-top:12px;display:grid}.difficult-list>div{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:13px 0;display:flex}.difficult-list>div:last-child{border-bottom:0}.difficult-list div>div{gap:2px;display:grid}.difficult-list span{color:var(--ink-soft);font-size:12px}.difficult-list b{color:var(--korea-red)}.library-toolbar{grid-template-columns:1fr 180px;gap:12px;padding:12px;display:grid}.search-field{background:var(--surface-muted);min-height:44px;color:var(--ink-soft);border-radius:12px;align-items:center;gap:9px;padding:0 13px;display:flex}.search-field input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:0}.library-toolbar select{padding:0 12px}.library-list{overflow:hidden}.library-row{border:0;border-bottom:1px solid var(--line);background:var(--surface);text-align:left;cursor:pointer;grid-template-columns:48px 1fr 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