: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: ;--lightningcss-dark:initial}}*{box-sizing:border-box}html{background:var(--canvas);scroll-behavior:smooth}body{background:var(--canvas);min-width:320px;min-height:100vh;color:var(--ink);margin:0}button,input,textarea,select{font:inherit}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb, var(--korea-blue) 28%, transparent);outline-offset:2px}.app-shell{min-height:100vh}.sidebar{z-index:20;width:var(--sidebar-width);border-right:1px solid var(--line);background:color-mix(in srgb, var(--canvas) 87%, transparent);-webkit-backdrop-filter:saturate(150%)blur(24px);backdrop-filter:saturate(150%)blur(24px);flex-direction:column;padding:28px 18px 22px;display:flex;position:fixed;inset:0 auto 0 0}.brand-lockup{align-items:center;gap:12px;padding:0 10px;display:flex}.brand-lockup>div:last-child{gap:3px;display:grid}.brand-lockup strong{letter-spacing:-.02em;font-size:16px}.brand-lockup span{color:var(--ink-soft);font-size:12px}.brand-mark{aspect-ratio:1;background:var(--surface);width:38px;box-shadow:var(--shadow-sm);border-radius:50%;flex:none;overflow:hidden}.brand-mark img{object-fit:cover;width:100%;height:100%;display:block}.brand-mark--large{width:64px}.sidebar-nav{gap:5px;margin-top:44px;display:grid}.nav-item{min-height:46px;color:var(--ink-soft);cursor:pointer;transition:background .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);background:0 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)}.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 view-in{0%{opacity:0;transform:translateY(5px)scale(.998)}to{opacity:1;transform:none}}.page-stack{gap:24px;display:grid}.page-heading{justify-content:space-between;align-items:flex-start;gap:28px;min-height:102px;display:flex}.page-heading p:not(.eyebrow){color:var(--ink-soft);margin:0;font-size:16px;line-height:1.55}.eyebrow{color:var(--korea-blue);letter-spacing:.12em;text-transform:uppercase;margin:0;font-size:11px;font-weight:720}.heading-icon{background:var(--korea-blue-soft);width:54px;height:54px;color:var(--korea-blue);border-radius:18px;place-items:center;display:grid}.today-actions{align-items:flex-start;gap:18px;display:flex}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm)}.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: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)}.danger-button{border-radius:var(--radius-control);background:var(--korea-red);color:#fff;cursor:pointer;min-height:44px;transition:transform .16s var(--ease), background .16s var(--ease), opacity .16s var(--ease);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:0 17px;font-weight:700;display:inline-flex}.danger-button:hover{background:color-mix(in srgb, var(--korea-red) 84%, #000)}.danger-button:active{transform:scale(.975)}.danger-button:disabled{opacity:.42;cursor:default;transform:none}.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 strong{letter-spacing:-.04em;font-size:22px}.progress-orb__center span{color:var(--ink-soft);font-size:12px}.progress-orb__label{color:var(--ink-soft);font-size:11px}.count-control{justify-content:space-between;align-items:center;gap:24px;padding:18px 20px;display:flex}.count-control>div:first-child{gap:3px;display:grid}.count-control span{color:var(--ink-soft);font-size:13px}.count-control__actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.count-control input{border:1px solid var(--line-strong);background:var(--surface-muted);width:90px;min-height:44px;color:var(--ink);border-radius:12px;padding:0 12px;font-size:17px}.session-summary{color:var(--ink-soft);align-items:center;gap:18px;padding:0 4px;font-size:13px;display:flex}.session-summary 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 9px;font-size:11px;font-weight:700;display:inline-flex}.capability-chip{border:1px solid color-mix(in srgb, var(--ink-soft) 18%, transparent);min-height:26px;color:var(--ink-soft);border-radius:8px;align-items:center;margin-left:7px;padding:0 9px;font-size:11px;font-weight:700;display:inline-flex}.question-number{color:var(--ink-soft);font-size:12px}.sync-label{color:var(--ink-soft);align-items:center;gap:6px;font-size:12px;display:flex}.sync-label--locked{color:var(--korea-blue)}.sync-label--error{color:var(--korea-red)}.question-prompt{letter-spacing:-.015em;margin:0 0 20px;font-size:clamp(19px,2.4vw,24px);line-height:1.62}.question-korean{letter-spacing:-.02em;margin:-4px 0 28px;font-size:27px;font-weight:650;line-height:1.5}.answer-field{gap:8px;margin-top:28px;display:grid}.answer-field>span,form label{color:var(--ink-soft);font-size:13px;font-weight:620}textarea,input,select{border:1px solid var(--line-strong);background:var(--surface-muted);color:var(--ink);border-radius:var(--radius-control)}textarea{resize:vertical}.answer-field textarea{width:100%;min-height:92px;padding:17px 18px;font-size:20px;line-height:1.55;transition:border .16s,background .16s}.answer-field textarea:focus{border-color:var(--korea-blue);background:var(--surface)}.answer-field textarea:disabled{color:var(--ink-soft)}.reveal-button{width:100%;margin-top:15px}.answer-reveal{background:linear-gradient(135deg, var(--korea-blue-soft), color-mix(in srgb, var(--korea-red-soft) 44%, var(--surface)));border:1px solid color-mix(in srgb, var(--korea-blue) 14%, transparent);animation:reveal-in .2s var(--ease) both;border-radius:17px;margin-top:18px;padding:21px}@keyframes reveal-in{0%{opacity:0;transform:translateY(4px)scale(.995)}}.answer-reveal__header{color:var(--ink-soft);justify-content:space-between;align-items:center;font-size:12px;display:flex}.answer-reveal>strong{letter-spacing:-.03em;margin:9px 0 13px;font-size:clamp(27px,5vw,38px);line-height:1.35;display:block}.answer-reveal>p{color:var(--ink-soft);margin:8px 0 0;line-height:1.55}.answer-reveal>p b{color:var(--ink);margin-bottom:2px;font-size:12px;display:block}.reference-responses{color:var(--ink);margin:12px 0 0;padding-left:21px}.reference-responses li{margin-top:7px;line-height:1.5}.language-note{gap:9px;font-size:13px;display:flex}.language-note b{color:var(--ink)}.retry-link{color:var(--korea-red);cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:14px 0 0;font-size:13px;display:inline-flex}.question-navigation{border-top:1px solid var(--line);justify-content:space-between;gap:12px;padding:17px 22px;display:flex}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:330px;padding:40px;display:flex}.empty-state h2{letter-spacing:-.03em;margin:14px 0 8px;font-size:26px}.empty-state>p:not(.eyebrow){color:var(--ink-soft);max-width:520px;margin:0 0 24px;line-height:1.6}.empty-symbol{width:76px;height:76px;position:relative}.empty-symbol span{opacity:.9;border-radius:50%;width:52px;height:52px;position:absolute}.empty-symbol span:first-child{background:var(--korea-red);top:0;left:0}.empty-symbol 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-text{width:100%;color:var(--ink-soft);resize:vertical;padding:14px;font-size:12px;line-height:1.55}.prompt-text--short{resize:none;margin-top:12px;font-size:14px}.job-guidance{color:var(--ink-soft);margin:12px 0 0;font-size:13px;line-height:1.6}.json-fallback{border-top:1px solid var(--line);margin-top:18px}.json-fallback summary{color:var(--ink-soft);cursor:pointer;padding-top:14px;font-size:13px;font-weight:650}.json-fallback__content{padding-top:14px}.ai-json-field{color:var(--ink-soft);gap:8px;margin-top:16px;font-size:13px;font-weight:650;display:grid}.ai-json-field textarea{width:100%;padding:14px;line-height:1.55}.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 16px;font-size:14px;display:flex}.notice--red{background:var(--korea-red-soft);color:var(--korea-red)}.offline-snapshot{background:var(--surface-muted);color:var(--ink-soft);border:1px solid var(--line);justify-content:flex-start}.offline-snapshot svg{color:var(--korea-blue);flex:none}.conflict-notice{background:color-mix(in srgb, var(--korea-blue-soft) 70%, var(--surface));border:1px solid color-mix(in srgb, var(--korea-blue) 15%, transparent)}.conflict-notice>div:first-child{gap:3px;display:grid}.conflict-notice 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 .result-target{color:var(--ink);margin-top:10px;font-size:13px;font-weight:650}.result-target span{color:var(--ink-soft);font-weight:500}.result-card div>span{font-size:18px}.result-signals{flex-wrap:wrap;gap:6px;margin-top:7px;display:flex}.result-signals span{background:var(--korea-blue-soft);color:var(--ink-soft);border-radius:8px;padding:5px 8px;font-weight:650;font-size:11px!important}.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%, transparent);background:var(--korea-red-soft);color:var(--korea-red);cursor:pointer;border-radius:10px;align-items:center;gap:7px;min-height:34px;padding:0 10px;display:flex}.form-footer{justify-content:space-between;align-items:center;display:flex}.form-footer>span{color:var(--ink-faint);font-size:12px}.inbox-toolbar{justify-content:space-between;align-items:center;gap:14px;display:flex}.segmented-control{background:var(--surface-muted);border:1px solid var(--line);border-radius:13px;padding:4px;display:flex}.segmented-control button{min-height:36px;color:var(--ink-soft);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:0 12px;font-size:13px}.segmented-control button.is-active{background:var(--surface);color:var(--ink);font-weight:650;box-shadow:0 1px 5px #00000012}.segmented-control button span{color:var(--ink-faint);margin-left:4px}.context-list{gap:14px;display:grid}.context-card{padding:22px}.context-card>header{justify-content:space-between;align-items:center;display:flex}.context-card>header>div{align-items:center;gap:10px;display:flex}.context-card time{color:var(--ink-faint);font-size:12px}.context-card a{color:var(--korea-blue)}.status-chip--pending,.status-chip--processing{background:var(--surface-muted);color:var(--ink-soft)}.status-chip--review{background:var(--korea-red-soft);color:var(--korea-red)}.context-text{margin:22px 0 10px;font-size:20px;line-height:1.75}.selected-evidence{flex-wrap:wrap;gap:7px;display:flex}.selected-evidence mark{background:var(--korea-red-soft);color:var(--korea-red);border-radius:7px;padding:4px 7px}.context-note{color:var(--ink-soft);font-size:13px}.proposal-card{background:var(--surface-muted);border:1px solid 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 13px;font-size:18px}.proposal-editor>p{color:var(--ink-soft);margin:0;font-size:12px;line-height:1.5}.decision-label{color:var(--korea-blue);align-items:center;gap:6px;margin-top:18px;font-size:13px;display:inline-flex}.metric-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.metric-card{gap:5px;padding:20px;display:grid}.metric-icon{background:var(--korea-blue-soft);width:38px;height:38px;color:var(--korea-blue);border-radius:12px;place-items:center;margin-bottom:8px;display:grid}.metric-card>span{color:var(--ink-soft);font-size:12px}.metric-card>strong{letter-spacing:-.04em;font-size:29px}.metric-card small{color:var(--ink-faint)}.chart-card{min-width:0;padding:24px}.chart-heading{gap:18px}.trend-legend{color:var(--ink-soft);white-space:nowrap;align-items:center;gap:16px;font-size:12px;display:flex}.trend-legend span{align-items:center;gap:7px;display:inline-flex}.trend-legend 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