:root{color-scheme:light;font-family:Pretendard,Apple SD Gothic Neo,Noto Sans KR,sans-serif;line-height:1.5;font-weight:400;color:#191f28;background:#f2f4f6}*{box-sizing:border-box}body{margin:0;min-width:320px;background:#f2f4f6}button{font:inherit}#root{min-height:100vh}.app-shell{min-height:100vh;padding:16px;background:#f2f4f6}.app-frame{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:12px}.top-bar__left{min-height:44px;display:flex;align-items:center}.nav-button,.close-button,.retry-button,.detail-button,.help-button{min-height:44px;border:none;border-radius:14px;cursor:pointer}.nav-button,.close-button{padding:0 14px;background:#fff;color:#4e5968}.panel{padding:20px;border-radius:24px;background:#fff}.hero{display:flex;flex-direction:column;gap:8px}.hero-actions{display:flex;gap:8px}.eyebrow{margin:0;font-size:14px;color:#4e5968}.title{margin:0;font-size:28px;line-height:1.3}.description{margin:0;color:#4e5968}.state-card{display:flex;flex-direction:column;gap:12px;padding:24px;border-radius:24px;background:#fff}.feed-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}.feed-item{display:flex;flex-direction:column;gap:12px;padding:20px;border-radius:24px;background:#fff}.feed-item__header{display:flex;flex-direction:column;gap:4px}.feed-item__meta{font-size:14px;color:#6b7684}.feed-item__summary{margin:0;color:#4e5968}.detail-button,.retry-button{padding:0 16px;background:#3182f6;color:#fff;align-self:flex-start}.help-button{padding:0 16px;background:#e8f3ff;color:#1b64da;align-self:flex-start}.section-list{display:flex;flex-direction:column;gap:16px}.section-list h2{margin:0 0 8px;font-size:18px}.bullet-list{margin:0;padding-left:20px;color:#333d4b}.metric-row{display:flex;flex-wrap:wrap;gap:8px;color:#4e5968}.badge{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;background:#e8f3ff;color:#1b64da}@media(max-width:767px){.app-shell{padding:12px}.title{font-size:24px}}