:root{--brand:#e94057;--brand-pressed:#d32f47;--brand-soft:#fde8ec;--brand-tint:#fceff1;--text:#111114;--sub:#4d4d4d;--muted:#a0a0ab;--line:#e8e6ea;--bg:#fff;--radius:15px;--radius-card:20px;--max-w:480px}*{box-sizing:border-box}html,body,#root{height:100%}body{color:var(--text);-webkit-font-smoothing:antialiased;background:#f5f5f7;margin:0;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,sans-serif}.shell{max-width:var(--max-w);background:var(--bg);flex-direction:column;min-height:100%;margin:0 auto;display:flex}.body{flex:1;padding:24px 20px 12px}h1{letter-spacing:-.5px;margin:0 0 10px;font-size:24px;font-weight:800;line-height:1.35}h2{margin:0 0 8px;font-size:17px;font-weight:800}p{color:var(--sub);margin:0 0 12px;font-size:15px;line-height:1.6}small{color:var(--muted);font-size:12.5px}a{color:var(--brand)}.footer{background:var(--bg);padding:12px 20px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);position:sticky;bottom:0}button.primary{border-radius:var(--radius);background:var(--brand);color:#fff;cursor:pointer;border:0;width:100%;padding:16px;font-size:16px;font-weight:800}button.primary:disabled{background:var(--line);color:var(--muted);cursor:default}button.primary:active:not(:disabled){background:var(--brand-pressed)}button.ghost{width:100%;color:var(--muted);cursor:pointer;background:0 0;border:0;padding:10px;font-size:14px}.progress{background:var(--brand-soft);height:4px}.progress>i{background:var(--brand);height:100%;transition:width .2s;display:block}