:root{color-scheme:light;--bg: #f5f7fc;--card: #ffffff;--text: #111827;--muted: #6b7280;--primary: #2f6cf6;--border: #e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:Pretendard,Inter,Noto Sans KR,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(180deg,#eef3ff 0%,var(--bg) 120px);color:var(--text)}.page{min-height:100vh;display:grid;place-items:center;padding:24px}.card{width:min(100%,680px);background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px}h1{margin:0 0 8px;font-size:30px}p{margin:0;color:var(--muted)}.actions{margin-top:16px;display:flex;gap:8px}.btn{border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 14px;cursor:pointer}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}