*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans KR,Arial,sans-serif;background:#f4f6f8;color:#222}.app-container{max-width:720px;margin:0 auto;padding:24px}.page{background:#fff;border-radius:16px;padding:24px;box-shadow:0 6px 18px #0000000f;margin-bottom:20px}.title{font-size:24px;font-weight:700;margin-bottom:16px}.subtitle{font-size:18px;font-weight:600;margin-bottom:12px}.text{font-size:15px;line-height:1.6;margin-bottom:12px}.button{display:inline-block;padding:12px 18px;border-radius:10px;border:none;background:#2f6fed;color:#fff;font-size:15px;cursor:pointer;margin-top:12px}.button.secondary{background:#e5e9f2;color:#333}.button:disabled{background:#c7cbd6;cursor:not-allowed}.input,.textarea{width:100%;border:1px solid #d8dde6;border-radius:10px;padding:12px;font-size:15px;margin-top:8px;margin-bottom:12px}.textarea{min-height:120px;resize:vertical}.card{border:1px solid #e5e9f2;border-radius:14px;padding:16px;margin-bottom:12px;cursor:pointer;transition:.15s}.card:hover{background:#f8faff}