:root{--navy:#0c1421;--panel:#152033;--panel-2:#1d2b43;--line:#2c3c58;--amber:#ffb347;--text:#edf1f7;--muted:#a4b1c5;--danger:#ff8a80;--good:#7ddba3;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--navy);color:var(--text);-webkit-text-size-adjust:100%;overscroll-behavior-y:none;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,sans-serif;font-size:16px;line-height:1.55}.app{flex-direction:column;min-height:100dvh;display:flex}.screen{width:100%;max-width:560px;padding:calc(env(safe-area-inset-top) + 16px) 16px 96px;flex:1;margin:0 auto}h1{margin:4px 0 14px;font-size:22px;line-height:1.3}h2{margin:0 0 10px;font-size:17px;line-height:1.35}h3{color:var(--amber);margin:14px 0 6px;font-size:15px}p{margin:0 0 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button.active{background:var(--amber);border-color:var(--amber);color:#1a1205;font-weight:700}.list-button{text-align:left;background:var(--panel);width:100%;margin-bottom:8px;font-weight:400;display:block}.list-button .tag{color:var(--amber);margin-bottom:2px;font-size:13px;display:block}.list-button .text{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:15px;display:-webkit-box;overflow:hidden}.lesson-sentence{margin:8px 0;line-height:2}.slot-static{color:var(--amber);font-weight:700}button.slot{border:none;border-bottom:2px solid var(--amber);min-height:0;color:var(--amber);font-size:inherit;line-height:inherit;text-align:left;-webkit-box-decoration-break:clone;box-decoration-break:clone;background:#ffb34724;border-radius:6px 6px 0 0;padding:3px 5px;display:inline}.guide-list{margin:0 0 10px;padding-left:22px}.guide-list li{margin-bottom:4px}.badge{border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:1px 8px;font-size:12px;line-height:1.5;display:inline-block}.badge.amber{color:var(--amber);border-color:var(--amber)}.badge.good{color:var(--good);border-color:var(--good)}.badge.danger{color:var(--danger);border-color:var(--danger)}.big-number{color:var(--amber);font-size:32px;font-weight:700;line-height:1.15}.clock{font-variant-numeric:tabular-nums;font-size:26px;font-weight:700}.clock.warn{color:var(--danger)}.metrics{grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0 4px;display:grid}.metric{background:var(--navy);text-align:center;border-radius:8px;padding:8px}.metric strong{font-size:18px;display:block}.metric span{color:var(--muted);font-size:12px}.error-item{border-top:1px solid var(--line);padding:10px 0}.error-item:first-child{border-top:none}.strike{color:var(--danger);text-decoration:line-through}table.simple{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;font-size:14px}table.simple th,table.simple td{border-bottom:1px solid 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